Last update:
Tue Jun 20 12:29:50 MDT 2023
David B. Slautterback Mitochondria in Cardiac Muscle Cells of
the Canary and Some Other Birds . . . . 1
P. F. Elbers and
P. H. J. T. Ververgaert and
R. Demel Tricomplex Fixation of Phospholipids . . 23
Jacques Vincent and
Stanislas Haumont and
Joseph Roels Microscopic Determination of Bone
Phosphorus by Quantitative
Autoradiography of Neutron-Activated
Sections . . . . . . . . . . . . . . . . 31
B. E. F. Reimann and
Joyce C. Lewin and
B. E. Volcani Studies on the Biochemistry and Fine
Structure of Silica Shell Formation in
Diatoms . . . . . . . . . . . . . . . . 39
J. F. David-Ferreira and
R. A. Manaker An Electron Microscope Study of the
Development of a Mouse Hepatitis Virus
in Tissue Culture Cells . . . . . . . . 57
B. E. S. Gunning The Fine Structure of Chloroplast Stroma
Following Aldehyde Osmium-Tetroxide
Fixation . . . . . . . . . . . . . . . . 79
Patricia C. Baker Fine Structure and Morphogenic Movements
in the Gastrula of the Treefrog, Hyla
Regilla . . . . . . . . . . . . . . . . 95
F. B. P. Wooding and
D. H. Northcote The Fine Structure and Development of
the Companion Cell of the Phloem of
\bionameAcer Pseudoplatanus . . . . . . 117
Michael N. Sheridan The Fine Structure of the Electric Organ
of Torpedo Marmorata . . . . . . . . . . 129
D. W. Gregory and
E. C. Cocking The Large-Scale Isolation of Protoplasts
from Immature Tomato Fruit . . . . . . . 143
J. Tooze and
H. G. Davies Cytolysomes in Amphibian Erythrocytes 146
Patrick Echlin An Apparent Helical Arrangement of
Ribosomes in Developing Pollen Mother
Cells of Ipomoea Purpurea (L.) Roth . . 150
Joan Argetsinger The Isolation of Ciliary Basal Bodies
(Kinetosomes) from \bionameTetrahymena
Pyriformis . . . . . . . . . . . . . . . 154
D. M. Gill An Improved Method for the Isolation of
Rat Liver Nuclei by Density
Centrifugation . . . . . . . . . . . . . 157
Richard P. Bunge and
Mary Bartlett Bunge and
Edith R. Peterson An Electron Microscope Study of Cultured
Rat Spinal Cord . . . . . . . . . . . . 163
Kiyoshi Hama Some Observations on the Fine Structure
of the Lateral Line Organ of the
Japanese Sea Eel Lyncozymba Nystromi . . 193
Jane Overton Changes in Cell Fine Structure During
Lens Regeneration in \bionameXenopus
laevis . . . . . . . . . . . . . . . . . 211
Jacob J. Blum Observations on the Acid Phosphatases of
Euglena Gracilis . . . . . . . . . . . . 223
Joachim R. Sommer and
Jacob J. Blum Cytochemical Localization of Acid
Phosphatases in Euglena Gracilis . . . . 235
Joachim R. Sommer The Ultrastructure of the Pellicle
Complex of Euglena Gracilis . . . . . . 253
Norbert M. Kanczak and
Joseph I. Krall and
E. Russell Hayes and
Willard B. Elliott Lysosomal Fractions from Transitional
Epithelium . . . . . . . . . . . . . . . 259
Effat Badr Mourad Evidence for Cytoplasmic DNA in Root
Cells of Nicotiana . . . . . . . . . . . 267
P. Satir and
A. M. Stuart A New Apical Microtubule-Associated
Organelle in the Sternal Gland of
Zootermopsis Nevadensis (Hagen),
Isoptera . . . . . . . . . . . . . . . . 277
Albert W. Sedar and
Ronald M. Burde Localization of the Succinic
Dehydrogenase System in
\bionameEscherichia coli Using Combined
Techniques of Cytochemistry and Electron
Microscopy . . . . . . . . . . . . . . . 285
A. Gedeon Matoltsy and
Paul F. Parakkal Membrane-Coating Granules of
Keratinizing Epithelia . . . . . . . . . 297
R. Gerald Suskind Autoradiographic and Cytochemical
Evidence for Synthesis of a
Lysine-Containing Ribonucleoprotein in
Nucleoli Inhibited by Actinomycin D . . 309
Andre B. Borle and
William F. Neuman Effects of Parathyroid Hormone on HeLa
Cell Cultures . . . . . . . . . . . . . 316
C. Roland Leeson and
Thomas S. Leeson An Unusual Arrangement of Ribosomes in
Mesenchymal Cells . . . . . . . . . . . 324
Keiichi Oki and
Sadaomi Yoshioka and
Kiyoharu Hayashi and
Masasuke Masuda Mitochondrial Changes Induced by Iron
Absorption in the Duodenal Absorptive
Cells of Rats . . . . . . . . . . . . . 328
Joseph V. Landau High Hydrostatic Pressure Effects on
Amoeba Proteus . . . . . . . . . . . . . 332
A. A. Avakyan and
A. F. Byckovsky Ontogenesis of Human Smallpox Virus . . 337
Barbara J. Stevens The Fine Structure of the Nucleolus
During Mitosis in the Grasshopper
Neuroblast Cell . . . . . . . . . . . . 349
Atsushi Ichikawa Fine Structural Changes in Response to
Hormonal Stimulation of the Perfused
Canine Pancreas . . . . . . . . . . . . 369
A. V. Grimstone and
L. R. Cleveland The Fine Structure and Function of the
Contractile Axostyles of Certain
Flagellates . . . . . . . . . . . . . . 387
Wolf Prensky and
Harold H. Smith The Mechanism of $5$-Aminouracil-Induced
Synchrony of Cell Division in
\bionameVicia Faba Root Meristems . . . 401
James Cronshaw and
G. Benjamin Bouck The Fine Structure of Differentiating
Xylem Elements . . . . . . . . . . . . . 415
Awtar Krishan and
Robert C. Buck Structure of the Mitotic Spindle in L
Strain Fibroblasts . . . . . . . . . . . 433
David J. L. Luck The Influence of Precursor Pool Size on
Mitochondrial Composition in Neurospora
Crassa . . . . . . . . . . . . . . . . . 445
David J. L. Luck Formation of Mitochondria in Neurospora
Crassa . . . . . . . . . . . . . . . . . 461
R. G. Kessel Intranuclear and Cytoplasmic Annulate
Lamellae in Tunicate Oocytes . . . . . . 471
R. E. Reichle and
J. V. Alexander Multiperforate Septations, Woronin
Bodies, and Septal Plugs in Fusarium . . 489
Doreen E. Ashhurst Mitochondrial Particles Seen in Sections 497
R. J. Stephens and
R. F. Bils An Atypical Mitochondrial Form in Normal
Rat Liver . . . . . . . . . . . . . . . 500
Hilton H. Mollenhauer An Intercisternal Structure in the Golgi
Apparatus . . . . . . . . . . . . . . . 504
E. J. Wills Crystalline Structures in the
Mitochondria of Normal Human Liver
Parenchymal Cells . . . . . . . . . . . 511
Åke Flock and
Arndt J. Duvall The Ultrastructure of the Kinocilium of
the Sensory Cells in the Inner Ear and
Lateral Line Organs . . . . . . . . . . 1
C. M. S. Dass and
S. T. Bayley A Structural Study of Rat Liver
Ribosomes . . . . . . . . . . . . . . . 9
Lois Withrow Tice and
Russell J. Barrnett Diazophthalocyanins As Reagents for Fine
Structural Cytochemistry . . . . . . . . 23
Carl M. Feldherr The Effect of the Electron-Opaque Pore
Material on Exchanges Through the
Nuclear Annuli . . . . . . . . . . . . . 43
R. G. Kessel and
H. W. Beams An Unusual Configuration of the Golgi
Complex in Pigment-Producing ``Test''
Cells of the Ovary of the Tunicate,
Styela . . . . . . . . . . . . . . . . . 55
John R. Coleman and
Heinz Herrmann and
Barbara Bess Biosynthesis of Collagen and
Non-Collagen Protein During Development
of the Chick Cornea . . . . . . . . . . 69
G. Benjamin Bouck and
James Cronshaw The Fine Structure of Differentiating
Sieve Tube Elements . . . . . . . . . . ??
Hans Laufer and
Yasukiyo Nakase Developmental Studies of the Dipteran
Salivary Gland . . . . . . . . . . . . . 97
Susumu Kishimoto and
Irving Lieberman Nuclear Membranes of Cultured Mammalian
Cells in the Period Preceding DNA
Synthesis . . . . . . . . . . . . . . . 103
Jacques Lipetz and
Anthony J. Garro Ionic Effects on Lignification and
Peroxidase in Tissue Cultures . . . . . 109
A. Van Harreveld and
Jane Crowell and
S. K. Malhotra A Study of Extracellular Space in
Central Nervous Tissue by
Freeze-Substitution . . . . . . . . . . 117
Jack Maniloff and
Harold J. Morowitz and
Russell J. Barrnett Studies of the Ultrastructure and
Ribosomal Arrangements of the
Pleuropneumonia-Like Organism A5969 . . 139
Walther Flemming Contributions to the Knowledge of the
Cell and Its Vital Processes . . . . . . 3
Patricia Harris Some Observations Concerning Metakinesis
in Sea Urchin Eggs . . . . . . . . . . . 73
J. Mol\`e-Bajer Telophase Segregation of Chromosomes and
Amitosis . . . . . . . . . . . . . . . . ??
Arthur Forer Local Reduction of Spindle Fiber
Birefringence in Living Nephrotoma
Suturalis (Loew) Spermatocytes Induced
by Ultraviolet Microbeam Irradiation . . 95
R. Bruce Nicklas Chromosome Velocity During Mitosis As a
Function of Chromosome Size and Position 119
R. E. Kane The Mitotic Apparatus . . . . . . . . . 137
Edwin W. Taylor The Mechanism of Colchicine Inhibition
of Mitosis . . . . . . . . . . . . . . . 145
Y. Hiramoto Further Studies on Cell Division Without
Mitotic Apparatus in Sea Urchin Eggs . . 161
S. T. Takats Non-Random Nuclear Orientation During
DNA Synthesis in \bionameTradescantia
Pollen Grains . . . . . . . . . . . . . 151
Julio M. Frasca and
Verta R. Parks A Routine Technique for Double-Staining
Ultrathin Sections Using Uranyl and Lead
Salts . . . . . . . . . . . . . . . . . 157
Richard M. Eakin Differentiation of Rods and Cones in
Total Darkness . . . . . . . . . . . . . 162
Michael Locke The Structure of Septate Desmosomes . . 166
Oswald Hess The Effect of X-Rays on the Functional
Structures of the Y Chromosome in
Spermatocytes of \bionameDrosophila
Hydei . . . . . . . . . . . . . . . . . 169
John Mcd. Tormey Artifactual Localization of Ferritin in
the Ciliary Epithelium in Vitro . . . . 1
Ivan L. Cameron Macromolecular Events Leading to Cell
Division in \bionameTetrahymena
Pyriformis After Removal and Replacement
of Required Pyrimidines . . . . . . . . 9
William B. Kinter and
T. Hastings Wilson Autoradiographic Study of Sugar and
Amino Acid Absorption by Everted Sacs of
Hamster Intestine . . . . . . . . . . . 19
Gerald B. Gordon and
Leonard R. Miller and
Klaus G. Bensch Studies on the Intracellular Digestive
Process in Mammalian Tissue Culture
Cells . . . . . . . . . . . . . . . . . 41
J. Herbert Taylor Distribution of Tritium-Labeled DNA
Among Chromosomes During Meiosis . . . . 57
F. de Balbian Verster and
O. Z. Sellinger and
J. C. Harkin Morphological and Biochemical Correlates
of Cerebral Microsomes . . . . . . . . . 69
Luther E. Franklin Morphology of Gamete Membrane Fusion and
of Sperm Entry into Oocytes of the Sea
Urchin . . . . . . . . . . . . . . . . . 81
Toshio Nagano Localization of Adenosine Triphosphatase
Activity in the Rat Sperm Tail As
Revealed by Electron Microscopy . . . . 101
Nirmal Chakravarty Glycolysis in Rat Peritoneal Mast Cells 123
R. E. Stephens Analysis of Muscle Contraction by
Ultraviolet Microbeam Disruption of
Sarcomere Structure . . . . . . . . . . 129
David S. Maxwell and
Lawrence Kruger The Fine Structure of Astrocytes in the
Cerebral Cortex and Their Response to
Focal Injury Produced by Heavy Ionizing
Particles . . . . . . . . . . . . . . . 141
Arthur Karlin The Association of Acetylcholinesterase
and Membrane in Subcellular Fractions of
the Electric Tissue of Electrophorus . . 159
G. E. Stone and
O. L. Miller and
D. M. Prescott H$^3$-Thymidine Derivative Pools in
Relation to Macronuclear DNA Synthesis
in \bionameTetrahymena Pyriformis . . . 171
Jae Kwon Choi Electron Microscopy of Absorption of
Tracer Materials by Toad Urinary Bladder
Epithelium . . . . . . . . . . . . . . . 175
Jesse E. Sisken and
Luciano Morasca Intrapopulation Kinetics of the Mitotic
Cycle . . . . . . . . . . . . . . . . . 179
G. Ben-Hayyim and
I. Ohad Synthesis of Cellulose by Acetobacter
Xylinum . . . . . . . . . . . . . . . . 191
Lawrence Y. Yatsu The Ultrastructure of Cotyledonary
Tissue from Gossypium Hirsutum L. Seeds 193
Edward Essner and
Alex B. Novikoff and
Nelson Quintana Nucleoside Phosphatase Activities in Rat
Cardiac Muscle . . . . . . . . . . . . . 201
T. S. Reese Olfactory Cilia in the Frog . . . . . . 209
Eugene J. Hoffman The Nucleic Acids of Basal Bodies
Isolated from \bionameTetrahymena
Pyriformis . . . . . . . . . . . . . . . 217
Henry Tedeschi Some Observations on the Permeability of
Mitochondria to Sucrose . . . . . . . . 229
Lumiko Niijima and
Jean Dan The Acrosome Reaction in Mytilus Edulis 243
Lumiko Niijima and
Jean Dan The Acrosome Reaction in Mytilus Edulis 249
Donald D. Hickman and
Albert W. Frenkel Observations on the Structure of
Rhodospirillum Molischianum . . . . . . 261
Donald D. Hickman and
Albert W. Frenkel Observations on the Structure of
Rhodospirillum Rubrum . . . . . . . . . 279
K. Blinzinger and
N. B. Rewcastle and
H. Hager Observations on Prismatic-Type
Mitochondria Within Astrocytes of the
Syrian Hamster Brain . . . . . . . . . . 293
Sister M. A. McManus and
L. E. Roth Fibrillar Differentiation in Myxomycete
Plasmodia . . . . . . . . . . . . . . . 305
Richard Davenport and
Janice C. Davenport A Cytochemical Study of Cytoplasmic
Basic Proteins in the Ascidian Oocyte 319
Naomi Kislev and
Hewson Swift and
Lawrence Bogorad Nucleic Acids of Chloroplasts and
Mitochondria in Swiss Chard . . . . . . 327
Toshiyuki Yamamoto and
Kyoji Tasaki and
Yoshio Sugawara and
Akira Tonosaki Fine Structure of the Octopus Retina . . 345
Hiromichi Nakajima and
Robert D. Allen The Changing Pattern of Birefringence in
Plasmodia of the Slime Mold,
\bionamePhysarum Polycephalum . . . . . 361
P. F. Elbers and
P. H. J. T. Ververgaert Electron Microscope and X-Ray
Diffraction Studies on a Homologous
Series of Saturated Phosphatidylcholines 375
Nirmal K. Das and
Elsie P. Siegel and
Max Alfert Synthetic Activities During
Spermatogenesis in the Locust . . . . . 387
Arthur M. Zimmerman and
Ronald C. Rustad Effects of High Pressure on Pinocytosis
in Amoeba Proteus . . . . . . . . . . . 397
I. B. Gibbons Reactivation of Glycerinated Cilia from
\bionameTetrahymena Pyriformis . . . . . 400
Toyoko Ishikawa and
Yen Fen Pei Intramitochondrial Glycogen Particles in
Rat Retinal Receptor Cells . . . . . . . 402
John H. Venable and
Richard Coggeshall A Simplified Lead Citrate Stain for Use
in Electron Microscopy . . . . . . . . . 407
Stephen L. Wolfe Isolated Microtubules . . . . . . . . . 408
Arthur Hess Developmental Changes in the Structure
of the Synapse on the Myelinated Cell
Bodies of the Chicken Ciliary Ganglion 1
Gene A. Morrill and
Adele B. Kostellow Phospholipid and Nucleic Acid Gradients
in the Developing Amphibian Embryo . . . 21
R. E. Kane and
Arthur Forer The Mitotic Apparatus . . . . . . . . . 31
Nancy L. Trotter Electron-Opaque, Lipid-Containing Bodies
in Mouse Liver at Early Intervals After
Partial Hepatectomy and Sham Operation 41
Edward S. Reynolds Liver Parenchymal Cell Injury . . . . . 53
L. Kolehmainen and
H. Zech and
D. von Wettstein The Structure of Cells During Tobacco
Mosaic Virus Reproduction . . . . . . . 77
Yasuo Hotta and
Herbert Stern Inducibility of Thymidine Kinase by
Thymidine As a Function of Interphase
Stage . . . . . . . . . . . . . . . . . 99
D. C. Swartzendruber and
M. G. Hanna Electron Microscopic Autoradiography of
Germinal Center Cells in Mouse Spleen 109
Lois W. Tice and
David S. Smith The Localization of Myofibrillar ATP Ase
Activity in the Flight Muscles of the
Blowfly, \bionameCalliphora
Erythrocephala . . . . . . . . . . . . . 121
Elton Stubblefield Quantitative Tritium Autoradiography of
Mammalian Chromosomes . . . . . . . . . 137
Leon Weiss and
Alan C. Aisenberg An Electron Microscope Study of
Lymphatic Tissue in Runt Disease . . . . 149
Frank S. Labella and
Madhu Sanwal Isolation of Nerve Endings from the
Posterior Pituitary Gland . . . . . . . 179
Richard M. Hays and
Bayla Singer and
Sasha Malamed The Effect of Calcium Withdrawal on the
Structure and Function of the Toad
Bladder . . . . . . . . . . . . . . . . 195
Lee D. Peachey The Sarcoplasmic Reticulum and
Transverse Tubules of the Frog's
Sartorius . . . . . . . . . . . . . . . 209
Philip W. Brandt and
John P. Reuben and
Lucien Girardier and
Harry Grundfest Correlated Morphological and
Physiological Studies on Isolated Single
Muscle Fibers . . . . . . . . . . . . . 233
Maria Pia Viola-Magni Changes in the DNA Content of Adrenal
Medulla Nuclei of Rats Intermittently
Exposed to Cold . . . . . . . . . . . . 415
Huai-San Lin Microcylinders Within Mitochondrial
Cristae in the Rat Pinealocyte . . . . . 435
Richard G. Christiansen and
John M. Marshall A Study of Phagocytosis in the Ameba
Chaos Chaos . . . . . . . . . . . . . . 443
Maria A. Rudzinska The Fine Structure and Function of the
Tentacle in \bionameTokophrya Infusionum 459
S. Shibko and
J. Pangborn and
A. L. Tappel Studies on the Release of Lysosomal
Enzymes from Kidney Lysosomes . . . . . 479
P. B. Herdson and
J. P. Kaltenbach Electron Microscope Studies on Enzyme
Activity and the Isolation of
Thiohydantoin-Induced Myelin Figures in
Rat Liver . . . . . . . . . . . . . . . 485
Jack Rosenbluth Ultrastructural Organization of
Obliquely Striated Muscle Fibers in
Ascaris Lumbricoides . . . . . . . . . . 495
D. H. Williamson The Timing of Deoxyribonucleic Acid
Synthesis in the Cell Cycle of
\bionameSaccharomyces Cerevisiae . . . . 517
Robert Love and
Mario V. Fernandes Cytological and Cytochemical Studies of
Green Monkey Kidney Cells Infected in
Vitro with Simian Virus 40 . . . . . . . 529
Daniel Szollosi Extrusion of Nucleoli from Pronuclei of
the Rat . . . . . . . . . . . . . . . . 545
Daniel S. Friend The Fine Structure of Brunner's Glands
in the Mouse . . . . . . . . . . . . . . 563
J. W. Combs and
D. Lagunoff and
E. P. Benditt Differentiation and Proliferation of
Embryonic Mast Cells of the Rat . . . . 577
Bruce K. Wetzel and
Samuel S. Spicer and
Seymour H. Wollman Changes in Fine Structure and Acid
Phosphatase Localization in Rat Thyroid
Cells Following Thyrotropin
Administration . . . . . . . . . . . . . 593
Dale M. Steffensen and
William F. Sheridan Incorporation of H$^3$-Thymidine into
Chloroplast DNA of Marine Algae . . . . 619
Sten Orrenius and
Jan L. E. Ericsson and
Lars Ernster Phenobarbital-Induced Synthesis of the
Microsomal Drug-Metabolizing Enzyme
System and Its Relationship to the
Proliferation of Endoplasmic Membranes 627
John A. Parsons Mitochondrial Incorporation of Tritiated
Thymidine in \bionameTetrahymena
Pyriformis . . . . . . . . . . . . . . . 641
M. Colonnier On the Nature of Intranuclear Rods . . . 646
Shuichi Karasaki Intranuclear Crystal Within the
Phagocytes of the Ovary of
\bionameArbacia Punctulata . . . . . . . 654
J. G. Lafontaine A Light and Electron Microscope Study of
Small, Spherical Nuclear Bodies in
Meristematic Cells of \bionameAllium
Cepa, \bionameVicia Faba, and
\bionameRaphanus Sativus . . . . . . . . 1
M. Atlas and
V. P. Bond The Cell Generation Cycle of the
Eleven-Day Mouse Embryo . . . . . . . . 19
R. M. Hicks The Fine Structure of the Transitional
Epithelium of Rat Ureter . . . . . . . . 25
Barbara Stay Protein Uptake in the Oocytes of the
Cecropia Moth . . . . . . . . . . . . . 49
Catherine A. Smith and
Grant L. Rasmussen Degeneration in the Efferent Nerve
Endings in the Cochlea After Axonal
Section . . . . . . . . . . . . . . . . 63
Bryce L. Munger The Intraepidermal Innervation of the
Snout Skin of the Opossum . . . . . . . 79
Milton W. Brightman The Distribution Within the Brain of
Ferritin Injected into Cerebrospinal
Fluid Compartments . . . . . . . . . . . 99
James E. Trosko and
Sheldon Wolff Strandedness of \bionameVicia Faba
Chromosomes As Revealed by Enzyme
Digestion Studies . . . . . . . . . . . 125
Elizabeth H. Leduc and
S. J. Holt Hydroxypropyl Methacrylate, a New
Water-Miscible Embedding Medium for
Electron Microscopy . . . . . . . . . . 137
Steven Edward Kornguth and
John Walberg Anderson Localization of a Basic Protein in the
Myelin of Various Species with the Aid
of Fluorescence and Electron Microscopy 157
S. Granick and
Richard D. Levere The Intracellular Localization of Heme
by a Fluorescence Technique . . . . . . 167
Francis S. Greenspan and
Judy R. Hargadine The Intracellular Localization of
Pituitary Thyrotropic Hormone . . . . . 177
Jack Van't Hof and
A. H. Sparrow Radiation Effects on the Growth Rate and
Cell Population Kinetics of Actively
Growing and Dormant Roots of
\bionameTradescantia Paludosa . . . . . 187
Maurice M. Black and
Hudson R. Ansley Antigen-Induced Changes in Lymphoid Cell
Histones . . . . . . . . . . . . . . . . 201
J. Tooze An Investigation by Electron Microscopy
of the Nucleoside Phosphatase Activity
of Amphibian and Mammalian Erythrocytes 209
Pierre Baudhuin and
Henri Beaufay and
Christian de Duve Combined Biochemical and Morphological
Study of Particulate Fractions from Rat
Liver . . . . . . . . . . . . . . . . . 219
Dino Merlini and
Felice Caramia Effect of Dehydroascorbic Acid on the
Islets of Langerhans of the Rat Pancreas 245
Marilyn G. Farquhar and
George E. Palade Cell Junctions in Amphibian Skin . . . . 263
John F. Aronson The Use of Fluorescein-Labeled Heavy
Meromyosin for the Cytological
Demonstration of Actin . . . . . . . . . 293
E. L. Benedetti and
P. Emmelot Electron Microscopic Observations on
Negatively Stained Plasma Membranes
Isolated from Rat Liver . . . . . . . . 299
G. Giménez-Martín and
A. González-Fernández and
J. F. López-Sáez A New Method of Labeling Cells . . . . . 305
Michael K. Reedy Section Staining for Electron Microscopy 309
Zbigniew Srebro The Ultrastructure of Gliosomes in the
Brains of Amphibia . . . . . . . . . . . 313
Helen J. Ramsey Fine Structure of the Surface of the
Cerebral Cortex of Human Brain . . . . . 323
Joseph Pick The Fine Structure of Sympathetic
Neurons in X-Irradiated Frogs . . . . . 335
Miro Brzin and
Wolf-Dietrich Dettbarn and
Philip Rosenberg and
David Nachmansohn Cholinesterase Activity Per Unit Surface
Area of Conducting Membranes . . . . . . 353
E. Gantt and
S. F. Conti The Ultrastructure of Porphyridium
Cruentum . . . . . . . . . . . . . . . . 365
A. A. Hadjiolov and
Z. S. Tencheva and
A. G. Bojadjieva-Mikhailova Isolation and Some Characteristics of
Cell Nuclei from Brain Cortex of Adult
Cat . . . . . . . . . . . . . . . . . . 383
Sarah P. Gibbs and
W. R. Sistrom and
Patricia B. Worden The Photosynthetic Apparatus of
Rhodospirillum Molischianum . . . . . . 395
Laura Garnjobst and
J. F. Wilson and
E. L. Tatum Studies on a Cytoplasmic Character in
Neurospora Crassa . . . . . . . . . . . 413
E. G. Diacumakos and
L. Garnjobst and
E. L. Tatum A Cytoplasmic Character in Neurospora
Crassa . . . . . . . . . . . . . . . . . 427
David S. Smith and
J. E. Treherne The Electron Microscopic Localization of
Cholinesterase Activity in the Central
Nervous System of an Insect,
\bionamePeriplaneta Americana L. . . . . 445
Arthur Hess The Sarcoplasmic Reticulum, the T
System, and the Motor Terminals of Slow
and Twitch Muscle Fibers in the Garter
Snake . . . . . . . . . . . . . . . . . 467
Sally G. Page A Comparison of the Fine Structures of
Frog Slow and Twitch Muscle Fibres . . . 477
Filiberto Giacomelli and
Joseph Wiener and
David Spiro Cytological Alterations Related to
Stimulation of the \bionameZona
Glomerulosa of the Adrenal Gland . . . . 499
T. C. Hsu and
Frances E. Arrighi and
Robert R. Klevecz and
B. R. Brinkley The Nucleoli in Mitotic Divisions of
Mammalian Cells in Vitro . . . . . . . . 539
R. Gustafsson and
J. R. Tata and
O. Lindberg and
L. Ernster The Relationship Between the Structure
and Activity of Rat Skeletal Muscle
Mitochondria After Thyroidectomy and
Thyroid Hormone Treatment . . . . . . . 555
Jack Rosenbluth Ultrastructure of Somatic Muscle Cells
in Ascaris Lumbricoides . . . . . . . . 579
Lester Packer and
Paul-andré Siegenthaler and
Park S. Nobel Light-Induced Volume Changes in Spinach
Chloroplasts . . . . . . . . . . . . . . 593
Raymond G. Murray and
Assia S. Murray and
Anthony Pizzo The Fine Structure of Mitosis in Rat
Thymic Lymphocytes . . . . . . . . . . . 601
Graham Hoyle and
James H. McAlear and
Allen Selverston Mechanism of Supercontraction in a
Striated Muscle . . . . . . . . . . . . 621
K. Seraydarian and
W. F. H. M. Mommaerts Density Gradient Separation of
Sarcotubular Vesicles and Other
Particulate Constituents of Rabbit
Muscle . . . . . . . . . . . . . . . . . 641
Philip Fitz-James and
Ronald Hancock The Initial Structural Lesion of
Penicillin Action in Bacillus Megaterium 657
W. E. Stehbens and
M. D. Silver Unusual Development of Basement Membrane
About Small Blood Vessels . . . . . . . 669
Glen B. Haydon and
D. Alice Taylor Microtubules in Hamster Platelets . . . 673
David M. Phillips An Ordered Filamentous Component in
Sciara (Diptera) Salivary Gland Cell
Nuclei . . . . . . . . . . . . . . . . . 677
Alexander Eichholz and
Robert K. Crane Studies on the Organization of the Brush
Border in Intestinal Epithelial Cells 687
Jane Overton and
Alexander Eichholz and
Robert K. Crane Studies on the Organization of the Brush
Border in Intestinal Epithelial Cells 693
I. R. Gibbons An Effect of Adenosine Triphosphate on
the Light Scattered by Suspensions of
Cilia . . . . . . . . . . . . . . . . . 707
Sten Orrenius On the Mechanism of Drug Hydroxylation
in Rat Liver Microsomes . . . . . . . . 713
Sten Orrenius Further Studies on the Induction of the
Drug-Hydroxylating Enzyme System of
Liver Microsomes . . . . . . . . . . . . 725
Leonard Weiss Studies on Cell Deformability . . . . . 735
B. Thorell and
B. Chance and
V. Legallais Microspectrophotometry of Cytochromes in
the Single Cell at Room and Liquid
Nitrogen Temperatures . . . . . . . . . 741
John F. Woods and
George Nichols Collagenolytic Activity in Rat Bone
Cells . . . . . . . . . . . . . . . . . 747
T. Samorajski and
J. M. Ordy and
J. R. Keefe The Fine Structure of Lipofuscin Age
Pigment in the Nervous System of Aged
Mice . . . . . . . . . . . . . . . . . . 779
Maurice M. Black and
Hudson R. Ansley Antigen-Induced Changes in Lymphoid Cell
Histones . . . . . . . . . . . . . . . . 797
Peter Satir Studies on Cilia . . . . . . . . . . . . 805
Björn A. Afzelius The Occurrence and Structure of
Microbodies . . . . . . . . . . . . . . 835
Ivan L. Cameron and
E. Ernest Guile Nucleolar and Biochemical Changes During
Unbalanced Growth of \bionameTetrahymena
Pyriformis . . . . . . . . . . . . . . . 845
M. Locke and
J. V. Collins The Structure and Formation of Protein
Granules in the Fat Body of an Insect 857
Henry deF. Webster and
Adelbert Ames Reversible and Irreversible Changes in
the Fine Structure of Nervous Tissue
During Oxygen and Glucose Deprivation 885
A. Kent Christensen The Fine Structure of Testicular
Interstitial Cells in Guinea Pigs . . . 911
Shuichi Karasaki Electron Microscopic Examination of the
Sites of Nuclear RNA Synthesis During
Amphibian Embryogenesis . . . . . . . . 937
P. O'B. Montgomery and
James E. Cook and
David Karney Ultraviolet Microbeam Irradiation in
Living Cell Membranes . . . . . . . . . 959
Una Smith and
David S. Smith A Microtubular Complex in the Epidermal
Nucleus of an Insect, Carausius Morosus 961
J. J. Wolken and
G. J. Gallik The Compound Eye of a Crustacean,
Leptodora Kindtii . . . . . . . . . . . 968
Martha E. Fedorko and
James G. Hirsch Crystalloid Structure in Granules of
Guinea Pig Basophils and Human Mast
Cells . . . . . . . . . . . . . . . . . 973
Nobuko O. Kuhn and
Margaret L. Olivier Ultrastructure of the Hepatic Sinusoid
of the Goat Capra Hircus . . . . . . . . 977
Umberto Muscatello and
Alfredo Margreth and
Massimo Aloisi On the Differential Response of
Sarcoplasm and Myoplasm to Denervation
in Frog Muscle . . . . . . . . . . . . . 1
Frits Carlsen and
Franklin Fuchs and
Gustav G. Knappeis Contractility and Ultrastructure in
Glycerol-Extracted Muscle Fibers . . . . 25
Frits Carlsen and
Franklin Fuchs and
Gustav G. Knappeis Contractility and Ultrastructure in
Glycerol-Extracted Muscle Fibers . . . . 35
R. Wiesner and
G. Acs and
E. Reich and
A. Shafiq Degradation of Ribonucleic Acid in Mouse
Fibroblasts Treated with Actinomycin . . 47
Albert W. Sedar and
Ronald M. Burde The Demonstration of the Succinic
Dehydrogenase System in Bacillus
Subtilis Using Tetranitro-Blue
Tetrazolium Combined with Techniques of
Electron Microscopy . . . . . . . . . . 53
Kiyoteru Tokuyasu and
Otto H. Scherbaum Ultrastructure of Mucocysts and Pellicle
of \bionameTetrahymena Pyriformis . . . 67
Russell Ross and
Earl P. Benditt Wound Healing and Collagen Formation . . 83
Joseph Wiener and
David Spiro and
Werner R. Loewenstein Ultrastructure and Permeability of
Nuclear Membranes . . . . . . . . . . . 107
W. Arnoldo Levy and
Ivan Herzog and
Kunihiko Suzuki and
Robert Katzman and
Labe Scheinberg Method for Combined Ultrastructural and
Biochemical Analysis of Neural Tissue 119
Jack L. Pate and
Erling J. Ordal The Fine Structure of Two Unusual
Stalked Bacteria . . . . . . . . . . . . 133
Roderic B. Park Substructure of Chloroplast Lamellae . . 151
Elsi R. Suter and
Guido Majno Passage of Lipid Across Vascular
Endothelium in Newborn Rats . . . . . . 163
Jack Van't Hof Cell Population Kinetics of Excised
Roots of Pisum Sativum . . . . . . . . . 179
Donald E. Rounds and
Robert S. Olson and
Fred M. Johnson The Laser As a Potential Tool for Cell
Research . . . . . . . . . . . . . . . . 191
Bernard P. Lane Alterations in the Cytologic Detail of
Intestinal Smooth Muscle Cells in
Various Stages of Contraction . . . . . 199
George E. Palade and
Marilyn G. Farquhar A Special Fibril of the Dermis . . . . . 215
Charles F. Simpson and
J. M. Kling and
F. C. Neal The Nature of Bands in Parasitized
Bovine Erythrocytes . . . . . . . . . . 225
W. Leene and
Woutera van Iterson Tetranitro-Blue Tetrazolium Reduction in
Bacillus Subtilis . . . . . . . . . . . 237
W. Leene and
Woutera van Iterson Tetranitro-Blue Tetrazolium Reduction in
Proteus Vulgaris . . . . . . . . . . . . 241
Ronald Piddington and
A. A. Moscona Correspondence Between Glutamine
Synthetase Activity and Differentiation
in the Embryonic Retina in Situ and in
Culture . . . . . . . . . . . . . . . . 247
Geraldine F. Gauthier and
Helen A. Padykula Cytochemical Studies of Adenosine
Triphosphatase Activity in the
Sarcoplasmic Reticulum . . . . . . . . . 252
Lloyd M. Beidler and
Ronald L. Smallman Renewal of Cells Within Taste Buds . . . 263
Paul F. Kruse and
Ed Miedema Production and Characterization of
Multiple-Layered Populations of Animal
Cells . . . . . . . . . . . . . . . . . 273
Albert A. Barber and
Warren W. Harris and
George M. Padilla Studies of Native Glycogen Isolated from
Synchronized \bionameTetrahymena
Pyriformis (Hsm) . . . . . . . . . . . . 281
John A. Terzakis The Nucleolar Channel System of Human
Endometrium . . . . . . . . . . . . . . 293
A. T. Miller and
D. M. Hale and
K. D. Alexander Histochemical Studies on the Uptake of
Horseradish Peroxidase by Rat Kidney
Slices . . . . . . . . . . . . . . . . . 305
Michael E. Lamm and
Lillian Childers and
Merrill K. Wolf Studies on Nucleic Acid Metachromasy . . 313
Ned Feder and
Merrill K. Wolf Studies on Nucleic Acid Metachromasy . . 327
J. E. Cummins and
E. N. Brewer and
H. P. Rusch The Effect of Actidione on Mitosis in
the Slime Mold \bionamePhysarum
Polycephalum . . . . . . . . . . . . . . 337
Paul B. Green Pathways of Cellular Morphogenesis . . . 343
Jean C. Edelman and
P. Michael Edelman and
Karl M. Knigge and
Irving L. Schwartz Isolation of Skeletal Muscle Nuclei . . 365
David S. Smith The Organization of Flight Muscle in an
Aphid, \bionameMegoura Viciae
(Homoptera) . . . . . . . . . . . . . . 379
David M. Phillips and
Hewson Swift Cytoplasmic Fine Structure of Sciara
Salivary Glands . . . . . . . . . . . . 395
B. R. Brinkley The Fine Structure of the Nucleolus in
Mitotic Divisions of Chinese Hamster
Cells in Vitro . . . . . . . . . . . . . 411
Howard T. Bonnett and
Eldon H. Newcomb Polyribosomes and Cisternal
Accumulations in Root Cells of Radish 423
Manfred Girbardt Lebendnachweis Von Einzelelementen Des
Endoplasmatischen Retikulums. (German)
[Proof of Single Elements of the
Endoplasmic Reticulum] . . . . . . . . . 433
Theodor Koller Mounting of Ultrathin Sections with the
Aid of an Electrostatic Field . . . . . 441
J. W. Fristrom and
H. K. Mitchell The Preparative Isolation of Imaginal
Discs from Larvae of \bionameDrosophila
Melanogaster . . . . . . . . . . . . . . 445
Bruce E. Bassett and
Lester Packer Response of Isolated Lysosomes to
Vitamin A . . . . . . . . . . . . . . . 448
Yasuo Hotta and
Alix Bassel and
Herbert Stern Nuclear DNA and Cytoplasmic DNA from
Tissues of Higher Plants . . . . . . . . 451
David G. McConnell The Isolation of Retinal Outer Segment
Fragments . . . . . . . . . . . . . . . 459
Susumu Ito The Enteric Surface Coat on Cat
Intestinal Microvilli . . . . . . . . . 475
Jiro Matsumoto Studies on Fine Structure and
Cytochemical Properties of Erythrophores
in Swordtail, Xiphophorus Helleri, with
Special Reference to Their Pigment
Granules (Pterinosomes) . . . . . . . . 493
Fenton Schaffner and
Philip Felig Changes in Hepatic Structure in Rats
Produced by Breathing Pure Oxygen . . . 505
Charles J. Flickinger The Fine Structure of the Nuclei of
\bionameTetrahymena Pyriformis
Throughout the Cell Cycle . . . . . . . 519
Henry Z. Movat and
William J. Weiser and
Michael F. Glynn and
James F. Mustard Platelet Phagocytosis and Aggregation 531
A. Di Marco and
R. Silvestrini and
S. Di Marco and
T. Dasdia Inhibiting Effect of the New Cytotoxic
Antibiotic Daunomycin on Nucleic Acids
and Mitotic Activity of HeLa Cells . . . 545
Richard A. Ellis Fine Structure of the Myoepithelium of
the Eccrine Sweat Glands of Man . . . . 551
Terry C. Johnson and
John J. Holland Ribonucleic Acid and Protein Synthesis
in Mitotic HeLa Cells . . . . . . . . . 565
Eldon H. Newcomb and
Howard T. Bonnett Cytoplasmic Microtubule and Wall
Microfibril Orientation in Root Hairs of
Radish . . . . . . . . . . . . . . . . . 575
Corrado M. Baglio and
Emmanuel Farber Reversal by Adenine of the
Ethionine-Induced Lipid Accumulation in
the Endoplasmic Reticulum of the Rat
Liver . . . . . . . . . . . . . . . . . 591
Nancy J. Lane and
Alex B. Novikoff Effects of Arginine Deprivation,
Ultraviolet Radiation, and X-Radiation
on Cultured Kb Cells . . . . . . . . . . 603
Carl F. T. Mattern and
Helen D. Park and
Wendell A. Daniel Electron Microscope Observations on the
Structure and Discharge of the Stenotele
of Hydra . . . . . . . . . . . . . . . . 621
R. E. Stephens Anomalous Contraction of Invertebrate
Striated Muscle . . . . . . . . . . . . 639
Eric Holtzman and
Alex B. Novikoff Lysosomes in the Rat Sciatic Nerve
Following Crush . . . . . . . . . . . . 651
Sheppard M. Walker and
G. Randolph Schrodt Continuity of the T System with the
Sarcolemma in Rat Skeletal Muscle Fibers 671
Kaneatsu Miyamoto and
Seiichi Matsumoto The Nature of the Negri Body . . . . . . 677
D. Nash and
W. Plaut On the Presence of DNA in Larval
Salivary Gland Nucleoli in
\bionameDrosophila Melanogaster . . . . 682
N. Böhm and
W. Sandritter Feulgen Hydrolysis of Normal Cells and
Mouse Ascites Tumor Cells . . . . . . . 1
Maria Pia Viola-Magni A Radioautographic Study with
H$^3$-Thymidine on Adrenal Medulla
Nuclei of Rats Intermittently Exposed to
Cold . . . . . . . . . . . . . . . . . . 9
R. M. Hicks The Permeability of Rat Transitional
Epithelium . . . . . . . . . . . . . . . 21
G. G. Carmichael and
H. M. Fullmer The Fine Structure of the Oxytalan Fiber 33
J. C. Thaemert Ultrastructural Interrelationships of
Nerve Processes and Smooth Muscle Cells
in Three Dimensions . . . . . . . . . . 37
Douglas E. Kelly Fine Structure of Desmosomes,
Hemidesmosomes, and an Adepidermal
Globular Layer in Developing Newt
Epidermis . . . . . . . . . . . . . . . 51
Jack Rosenbluth Redundant Myelin Sheaths and Other
Ultrastructural Features of the Toad
Cerebellum . . . . . . . . . . . . . . . 73
Richard E. Coggeshall A Fine Structural Analysis of the
Epidermis of the Earthworm,
\bionameLumbricus Terrestris L . . . . . 95
David S. Smith The Organization of Flight Muscle Fibers
in the Odonata . . . . . . . . . . . . . 109
Leonard Merkow and
Joseph Leighton Increased Numbers of Annulate Lamellae
in Myocardium of Chick Embryos Incubated
at Abnormal Temperatures . . . . . . . . 127
J. D. Regan and
E. H. Y. Chu A Convenient Method for Assay of DNA
Synthesis in Synchronized Human Cell
Cultures . . . . . . . . . . . . . . . . 139
John R. Kennedy The Effect of Strychnine and Light on
Pigmentation in Blepharisma Undulans
Stein . . . . . . . . . . . . . . . . . 145
A. C. Taylor Microtubules in the Microspikes and
Cortical Cytoplasm of Isolated Cells . . 155
William P. Cunningham and
D. James Morré and
H. H. Mollenhauer Structure of Isolated Plant Golgi
Apparatus Revealed by Negative Staining 169
Sten Orrenius and
Jan L. E. Ericsson Enzyme-Membrane Relationship in
Phenobarbital Induction of Synthesis of
Drug-Metabolizing Enzyme System and
Proliferation of Endoplasmic Membranes 181
F. A. Muckenthaler and
A. P. Mahowald DNA Synthesis in the Ooplasm of
\bionameDrosophila Melanogaster . . . . 199
Michael J. Droller and
Thomas F. Roth An Electron Microscope Study of Yolk
Formation During Oogenesis in Lebistes
Reticulatus Guppyi . . . . . . . . . . . 209
John Seed The Synthesis of DNA, RNA, and Nuclear
Protein in Normal and Tumor Strain Cells 233
John Seed The Synthesis of DNA, RNA, and Nuclear
Protein in Normal and Tumor Strain Cells 249
John Seed The Synthesis of DNA, RNA, and Nuclear
Protein in Normal and Tumor Strain Cells 257
John Seed The Synthesis of DNA, RNA, and Nuclear
Protein in Normal and Tumor Strain Cells 263
Dorothy Ford Bainton and
Marilyn G. Farquhar Origin of Granules in Polymorphonuclear
Leukocytes . . . . . . . . . . . . . . . 277
Jerry S. Sutton and
Leon Weiss Transformation of Monocytes in Tissue
Culture into Macrophages, Epithelioid
Cells, and Multinucleated Giant Cells 303
Geraldine F. Gauthier and
Helen A. Padykula Cytological Studies of Fiber Types in
Skeletal Muscle . . . . . . . . . . . . 333
Masamichi Aikawa and
Peter K. Hepler and
Clay G. Huff and
Helmuth Sprinz The Feeding Mechanism of Avian Malarial
Parasites . . . . . . . . . . . . . . . 355
John A. Carney and
Arnold L. Brown An Electron Microscope Study of Canine
Cardiac Myosin and Some of Its
Aggregates . . . . . . . . . . . . . . . 375
Alex M. Landolt and
Hans Ris Electron Microscope Studies on
Soma-Somatic Interneuronal Junctions in
the Corpus Pedunculatum of the Wood Ant
(\bionameFormica Lugubris Zett.) . . . . 391
Curtis C. Harris and
Charles A. Leone Some Effects of EDTA and
Tetraphenylboron on the Ultrastructure
of Mitochondria in Mouse Liver Cells . . 405
J. V. Landau High Pressure Effects on Endogenous
Adenine Nucleotide Levels in Sea Urchin
Eggs Prior to First Cleavage . . . . . . 408
G. Eric Bauer and
Arnold W. Lindall and
Padmaker K. Dixit and
Gordon Lester and
Arnold Lazarow Studies on Insulin Biosynthesis . . . . 413
Jean M. Schmidt and
R. Y. Stanier The Development of Cellular Stalks in
Bacteria . . . . . . . . . . . . . . . . 423
David E. Comings Uridine-$5$-H$^3$ Radioautography of the
Human Sex Chromatin Body . . . . . . . . 437
Lester Packer and
Park S. Nobel and
Elizabeth L. Gross and
Howard C. Mel Fractionation of Spinach Chloroplasts by
Flow Sedimentation-Electrophoresis . . . 443
Hideyuki Tsukada and
Yohichi Mochizuki and
Seiki Fujiwara The Nucleoids of Rat Liver Cell
Microbodies . . . . . . . . . . . . . . 449
Zipora Dafni and
M. Shilo The Cytotoxic Principle of the
Phytoflagellate Prymnesium Parvum . . . 461
Joan Abbott and
Howard Holtzer The Loss of Phenotypic Traits by
Differentiated Cells . . . . . . . . . . 473
T. Samorajski and
J. M. Ordy and
J. R. Keefe Structural Organization of the Retina in
the Tree Shrew (\bionameTupaia Glis) . . 489
Frank A. Pepe Some Aspects of the Structural
Organization of the Myofibril As
Revealed by Antibody-Staining Methods 505
Lothar Diers On the Plastids, Mitochondria, and Other
Cell Constituents During Oögenesis of a
Plant . . . . . . . . . . . . . . . . . 527
Martin Hagopian The Myofilament Arrangement in the
Femoral Muscle of the Cockroach,
Leucophaea Maderae Fabricius . . . . . . 545
Woutera van Iterson The Fine Structure of the
Ribonucleoprotein in Bacterial Cytoplasm 563
Eugene E. Emeson and
Yutaka Kikkawa and
Boris Gueft New Features of Amyloid Found After
Digestion with Trypsin . . . . . . . . . 570
T. S. Leeson and
C. R. Leeson Osmiophilic Lamellated Bodies and
Associated Material in Lung Alveolar
Spaces . . . . . . . . . . . . . . . . . 577
Philip M. Lintilhac and
R. B. Park Localization of Chlorophyll in Spinach
Chloroplast Lamellae by Fluorescence
Microscopy . . . . . . . . . . . . . . . 582
Martin J. Griffin and
Rody P. Cox Studies on the Mechanism of Hormonal
Induction of Alkaline Phosphatase in
Human Cell Cultures . . . . . . . . . . 1
R. E. Rasmussen and
R. B. Painter Radiation-Stimulated DNA Synthesis in
Cultured Mammalian Cells . . . . . . . . 11
R. C. von Borstel and
D. M. Prescott and
F. J. Bollum Incorporation of Nucleotides into Nuclei
of Fixed Cells by DNA Polymerase . . . . 21
B. J. Bryant The Incorporation of Tritium from
Thymidine into Proteins of the Mouse . . 29
John W. Greenawalt and
Ernesto Carafoli Electron Microscope Studies on the
Active Accumulation of Sr$^{++}$ by
Rat-Liver Mitochondria . . . . . . . . . 37
E. L. Kuff and
W. C. Hymer and
E. Shelton and
N. E. Roberts The in Vivo Protein Synthetic Activities
of Free Versus Membrane-Bound
Ribonucleoprotein in a Plasma-Cell Tumor
of the Mouse . . . . . . . . . . . . . . 63
Lewis G. Tilney and
Yukio Hiramoto and
Douglas Marsland Studies on the Microtubules in Heliozoa 77
Ikuko Mizukami and
Joseph Gall Centriole Replication . . . . . . . . . 97
H. Dariush Fahimi and
Morris J. Karnovsky Cytochemical Localization of Two
Glycolytic Dehydrogenases in White
Skeletal Muscle . . . . . . . . . . . . 113
C. F. Robinow and
J. Marak A Fiber Apparatus in the Nucleus of the
Yeast Cell . . . . . . . . . . . . . . . 129
Hans Moor Ultrastrukturen im Zellkern der
Bäckerhefe. (German) [Ultrastructures in
the cell nucleus of baker's yeast] . . . 153
J. C. Thaemert Ultrastructure of Cardiac Muscle and
Nerve Contiguities . . . . . . . . . . . 156
Thomas L. Lentz Intramitochondrial Glycogen Granules in
Digestive Cells of Hydra . . . . . . . . 162
R. J. Stein and
W. R. Richter and
R. A. Zussman and
G. Brynjolfsson Ultrastructural Characterization of
Daphnia Heart Muscle . . . . . . . . . . 168
Richard D. Penn Ionic Communication Between Liver Cells 171
Vinod C. Shah and
Harvard Lyman DNA-Dependent RNA Synthesis in
Chloroplasts of Euglena Gracilis . . . . 174
Jacques Padawer Induction of Cellular Movements in Mast
Cells by Colchicine Treatment . . . . . 176
A. N. J. Heyn The Microcrystalline Structure of
Cellulose in Cell Walls of Cotton,
Ramie, and Jute Fibers As Revealed by
Negative Staining of Sections . . . . . 181
Abraham Amsterdam and
Michael Schramm Rapid Release of the Zymogen Granule
Protein by Osmium Tetroxide and Its
Retention During Fixation by
Glutaraldehyde . . . . . . . . . . . . . 199
Mac Donald Cave Incorporation of Tritium-Labeled
Thymidine and Lysine into Chromosomes of
Cultured Human Leukocytes . . . . . . . 209
Jane Rearick Shoup The Development of Pigment Granules in
the Eyes of Wild Type and Mutant
\bionameDrosophila Melanogaster . . . . 223
W. Gerald Robison Microtubules in Relation to the Motility
of a Sperm Syncytium in an Armored Scale
Insect . . . . . . . . . . . . . . . . . 251
P. Nicolescu and
M. Dolivo and
C. Rouiller and
C. Foroglou-Kerameus The Effect of Deprivation of Glucose on
the Ultrastructure and Function of the
Superior Cervical Ganglion of the Rat in
Vitro . . . . . . . . . . . . . . . . . 267
R. G. Kulka and
U. Yalovsky Secretion of $ \alpha $-amylase by the
embryonic chick pancreas in vitro . . . 287
Jane Overton Microtubules and Microfibrils in
Morphogenesis of the Scale Cells of
\bionameEphestia Kühniella . . . . . . . 293
Martha E. Fedorko and
James G. Hirsch Cytoplasmic Granule Formation in
Myelocytes . . . . . . . . . . . . . . . 307
Daniel S. Friend The Fine Structure of Giardia Muris . . 317
Paul F. Doolin and
Wesley J. Birge Ultrastructural Organization of Cilia
and Basal Bodies of the Epithelium of
the Choroid Plexus in the Chick Embryo 333
Natalia Gabrusewycz-Garcia and
Ruth G. Kleinfeld A Study of the Nucleolar Material in
Sciara Coprophila . . . . . . . . . . . 347
S. J. Holt and
R. Marian Hicks The Importance of Osmiophilia in the
Production of Stable Azoindoxyl
Complexes of High Contrast for Combined
Enzyme Cytochemistry and Electron
Microscopy . . . . . . . . . . . . . . . 361
A. B. Acton An Unusual Ciliumlike Process . . . . . 366
J. R. Cook The Synthesis of Cytoplasmic DNA in
Synchronized Euglena . . . . . . . . . . 369
Hilton H. Mollenhauer and
D. James Morré Tubular Connections Between Dictyosomes
and Forming Secretory Vesicles in Plant
Golgi Apparatus . . . . . . . . . . . . 373
Brij L. Gupta and
Michael J. Berridge A Coat of Repeating Subunits on the
Cytoplasmic Surface of the Plasma
Membrane in the Rectal Papillae of the
Blowfly, \bionameCalliphora
Erythrocephala (Meig.), Studied in Situ
by Electron Microscopy . . . . . . . . . 376
Luis Biempica Human Hepatic Microbodies with
Crystalloid Cores . . . . . . . . . . . 383
Takeshi Utsunomiya and
Jay S. Roth Studies on the Function of Intracellular
Ribonucleases . . . . . . . . . . . . . 387
Takeshi Utsunomiya and
Jay S. Roth Studies on the Function of Intracellular
Ribonucleases . . . . . . . . . . . . . 395
Dean H. Hayek and
Samuel R. Tipton Respiratory Activity and Maintenance of
Cell Suspensions of Rat Liver . . . . . 405
George P. Studzinski and
Kay A. O. Ellem Relationship Between RNA Synthesis, Cell
Division, and Morphology of Mammalian
Cells . . . . . . . . . . . . . . . . . 411
E. Gantt and
S. F. Conti Granules Associated with the Chloroplast
Lamellae of Porphyridium Cruentum . . . 423
Stanley Bullivant and
Adelbert Ames A Simple Freeze-Fracture Replication
Method for Electron Microscopy . . . . . 435
David S. Smith The Structure of Intersegmental Muscle
Fibers in an Insect, \bionamePeriplaneta
Americana L. . . . . . . . . . . . . . . 449
John C. Maisel and
Ralph I. Lytle Affinity of Animal Cell Nucleoli for
Normal Serum . . . . . . . . . . . . . . 461
Floyd E. Bloom and
Russell J. Barrnett Fine Structural Localization of
Acetylcholinesterase in Electroplaque of
the Electric Eel . . . . . . . . . . . . 475
Arndt J. Duvall and
Åke Flock and
Jan Wersäll The Ultrastructure of the Sensory Hairs
and Associated Organelles of the
Cochlear Inner Hair Cell, with Reference
to Directional Sensitivity . . . . . . . 497
Ulla Glas and
Gunter F. Bahr Quantitative Study of Mitochondria in
Rat Liver . . . . . . . . . . . . . . . 507
Alex B. Novikoff and
Nelson Quintana and
Humberto Villaverde and
Regina Forschirm Nucleoside Phosphatase and
Cholinesterase Activities in Dorsal Root
Ganglia and Peripheral Nerve . . . . . . 525
Carl F. T. Mattern and
Wendell A. Daniel The Stomach Cell of Rotifer . . . . . . 547
Carl F. T. Mattern and
Wendell A. Daniel The Flame Cell of Rotifer . . . . . . . 552
K. Owen Ash and
J. E. Bransford and
R. B. Koch Studies on Dispersion of Rabbit
Olfactory Cells . . . . . . . . . . . . 554
D. Chapman and
D. J. Fluck Physical Studies of Phospholipids . . . 1
Richard D. Estensen and
Renato Baserga Puromycin-Induced Necrosis of Crypt
Cells of the Small Intestine of Mouse 13
Ewald R. Weibel and
Gonzague S. Kistler and
Walter F. Scherle Practical Stereological Methods for
Morphometric Cytology . . . . . . . . . 23
Leonard Weiss Studies on Cell Deformability . . . . . 39
Oscar K. Reiss Studies of Lung Metabolism . . . . . . . 45
Theodore K. Greenlee and
Russell Ross and
Jerry L. Hartman The Fine Structure of Elastic Fibers . . 59
Gustav Dallner and
Philip Siekevitz and
George E. Palade Biogenesis of Endoplasmic Reticulum
Membranes . . . . . . . . . . . . . . . 73
Gustav Dallner and
Philip Siekevitz and
George E. Palade Biogenesis of Endoplasmic Reticulum
Membranes . . . . . . . . . . . . . . . 97
Marian Neutra and
C. P. Leblond Synthesis of the Carbohydrate of Mucus
in the Golgi Complex As Shown by
Electron Microscope Radioautography of
Goblet Cells from Rats Injected with
Glucose-H$^3$ . . . . . . . . . . . . . 119
Marian Neutra and
C. P. Leblond Radioautographic Comparison of the
Uptake of Galactose-H$^3$ and
Glucose-H$^3$ in the Golgi Region of
Various Cells Secreting Glycoproteins or
Mucopolysaccharides . . . . . . . . . . 137
Antonio Coimbra and
C. P. Leblond Sites of Glycogen Synthesis in Rat Liver
Cells As Shown by Electron Microscope
Radioautography After Administration of
Glucose-H$^3$ . . . . . . . . . . . . . 151
A. Lima-de-Faria and
M. J. Moses Ultrastructure and Cytochemistry of
Metabolic DNA in Tipula . . . . . . . . 177
Peter Pfuderer and
D. C. Swartzendruber The Configuration of Isolated Polysomes 193
Graham Hoyle and
Patricia Ann McNeill and
Benjamin Walcott Nature of Invaginating Tubules in
Felderstruktur Muscle Fibers of the
Garter Snake . . . . . . . . . . . . . . 197
H. M. Dembitzer and
H. I. Hirshfield Some New Cytological Observations in the
Heterotrichous Ciliate, Blepharisma . . 201
Atsushi Suganuma Further Studies on the Plasma Membrane
of Staphylococcus Aureus . . . . . . . . 208
Maria Pia Viola-Magni An Analysis of DNA Loss and Synthesis in
the Rat Adrenal Medulla Nuclei Upon Cold
Stimulation . . . . . . . . . . . . . . 213
Bojan Flaks and
Paul Bresloff Some Observations on the Fine Structure
of the Lutein Cells of X-Irradiated Rat
Ovary . . . . . . . . . . . . . . . . . 227
Gordon I. Kaye and
Henry O. Wheeler and
Robert T. Whitlock and
Nathan Lane Fluid Transport in the Rabbit
Gallbladder . . . . . . . . . . . . . . 237
Charles R. Hackenbrock Ultrastructural Bases for Metabolically
Linked Mechanical Activity in
Mitochondria . . . . . . . . . . . . . . 269
Mary G. Wetzel and
Bruce K. Wetzel and
Samuel S. Spicer Ultrastructural Localization of Acid
Mucosubstances in the Mouse Colon with
Iron-Containing Stains . . . . . . . . . 299
Wayne Hohman and
Harald Schraer The Intracellular Distribution of
Calcium in the Mucosa of the Avian Shell
Gland . . . . . . . . . . . . . . . . . 317
Peter K. Hepler and
Clay G. Huff and
Helmuth Sprinz The Fine Structure of the
Exoerythrocytic Stages of Plasmodium
Fallax . . . . . . . . . . . . . . . . . 333
Marilyn G. Farquhar and
George E. Palade Adenosine Triphosphatase Localization in
Amphibian Epidermis . . . . . . . . . . 359
John E. Heuser and
Carlos F. Doggenweiler The Fine Structural Organization of
Nerve Fibers, Sheaths, and Glial Cells
in the Prawn, Palaemonetes Vulgaris . . 381
H. Lòvtrup-Rein and
B. S. McEwen Isolation and Fractionation of Rat Brain
Nuclei . . . . . . . . . . . . . . . . . 405
Yutaka Mishima Melanosomes in Phagocytic Vacuoles in
Langerhans Cells . . . . . . . . . . . . 417
Arnold M. Seligman and
Hannah L. Wasserkrug and
Jacob S. Hanker A New Staining Method (Oto) for
Enhancing Contrast of Lipid-Containing
Membranes and Droplets in Osmium
Tetroxide-Fixed Tissue with Osmiophilic
Thiocarbohydrazide (Tch) . . . . . . . . 424
Alan S. Bradley and
Steven L. Wissig The Anatomy of Secretion in the
Follicular Cell of the Thyroid Gland . . 433
Monique Milhaud and
George D. Pappas Postsynaptic Bodies in the Habenula and
Interpeduncular Nuclei of the Cat . . . 437
Donald J. Svoboda and
Daniel L. Azarnoff Response of Hepatic Microbodies to a
Hypolipidemic Agent, Ethyl
Chlorophenoxyisobutyrate (Cpib) . . . . 442
Breck Byers Ribosome Crystallization Induced in
Chick Embryo Tissues by Hypothermia . . ??
John F. Aronson A Melting Point for the Birefringent
Component of Muscle . . . . . . . . . . 453
Mary R. Daniel and
J. T. Dingle and
Audrey M. Glauert and
J. A. Lucy The Action of Excess of Vitamin a
Alcohol on the Fine Structure of Rat
Dermal Fibroblasts . . . . . . . . . . . 465
David M. Phillips Observations on Spermiogenesis in the
Fungus Gnat Sciara Coprophila . . . . . 477
David M. Phillips Fine Structure of \bionameSciara
Coprophila Sperm . . . . . . . . . . . . 499
P. Siekevitz and
G. E. Palade Distribution of Newly Synthesized
Amylase in Microsomal Subfractions of
Guinea Pig Pancreas . . . . . . . . . . 519
George M. Healy and
Raymond C. Parker An Improved Chemically Defined Basal
Medium (Cmrl-1415) for Newly Explanted
Mouse Embryo Cells . . . . . . . . . . . 531
George M. Healy and
Raymond C. Parker Cultivation of Mammalian Cells in
Defined Media with Protein and
Nonprotein Supplements . . . . . . . . . 539
Hans A. Went An Indirect Method to Assay for Mitotic
Centers in Sand Dollar
(\bionameDendraster Excentricus) Eggs 555
T. J. Biscoe and
W. E. Stehbens Ultrastructure of the Carotid Body . . . 563
Luciano Zamboni and
Daniel R. Mishell and
James H. Bell and
Manuel Baca Fine Structure of the Human Ovum in the
Pronuclear Stage . . . . . . . . . . . . 579
Donald F. Hoelzl Wallach and
Virendra B. Kamat and
Mitchell H. Gail Physicochemical Differences Between
Fragments of Plasma Membrane and
Endoplasmic Reticulum . . . . . . . . . 601
R. M. Hicks The Function of the Golgi Complex in
Transitional Epithelium . . . . . . . . 623
Elton Stubblefield and
B. R. Brinkley Cilia Formation in Chinese Hamster
Fibroblasts in Vitro As a Response to
Colcemid Treatment . . . . . . . . . . . 645
Raneen Mullins and
Reimut Wette On the Statistical Expectation and
Evaluation of Centriole Orientations in
Cell Profiles . . . . . . . . . . . . . 652
N. J. A. Noorduyn and
J. C. H. de Man RNA Synthesis in Rat and Mouse Hepatic
Cells As Studied with Light and Electron
Microscope Radioautography . . . . . . . 655
Donald F. Hoelzl Wallach and
Virendra B. Kamat The Contribution of Sialic Acid to the
Surface Charge of Fragments of Plasma
Membrane and Endoplasmic Reticulum . . . 660
Emilio Bucciarelli Intranuclear Cisternae Resembling
Structures of the Golgi Complex . . . . 664
David M. Prescott The Syntheses of Total Macronuclear
Protein, Histone, and DNA During the
Cell Cycle in Euplotes Eurystomus . . . 1
Rainer Storb and
Robert L. Amy and
Richard K. Wertz and
Bernard Fauconnier and
Marcel Bessis An Electron Microscope Study of Vitally
Stained Single Cells Irradiated with a
Ruby Laser Microbeam . . . . . . . . . . 11
Stephen L. Wolfe and
Godfrey M. Hewitt The Strandedness of Meiotic Chromosomes
from Oncopeltus . . . . . . . . . . . . 31
Allan D. Dingle and
Chandler Fulton Development of the Flagellar Apparatus
of Naegleria . . . . . . . . . . . . . . 43
Barbara J. Stevens and
Hewson Swift RNA Transport from Nucleus to Cytoplasm
in Chironomus Salivary Glands . . . . . 55
Lalit M. Srivastava On the Fine Structure of the Cambium of
\bionameFraxinus Americana L. . . . . . 79
Joel A. Huberman and
Giuseppe Attardi Isolation of Metaphase Chromosomes from
HeLa Cells . . . . . . . . . . . . . . . 95
Everett Anderson and
William R. Harvey Active Transport by the Cecropia Midgut 107
J. M. Bassot Une Forme Microtubulaire et
Paracristalline de Reticulum
Endoplasmique dans les Photocytes des
Annelides Polynoinæ. (French) [A
Microtubular and Paracrystalline Form of
Endoplasmic Reticulum in
\bionameAnnelides Polynoinæ Photocytes] 135
Jerome S. Kaye and
Rachel McMaster-Kaye The Fine Structure and Chemical
Composition of Nuclei During
Spermiogenesis in the House Cricket . . 159
Gustav Dallner and
Robert Nilsson Mechanism of the Cation Effect in
Subfractionation of Microsomes . . . . . 181
Judson D. Sheridan Electrophysiological Study of Special
Connections Between Cells in the Early
Chick Embryo . . . . . . . . . . . . . . ??
Robert L. Trelstad and
Jean-Paul Revel and
Elizabeth D. Hay Tight Junctions Between Cells in the
Early Chick Embryo As Visualized with
the Electron Microscope . . . . . . . . ??
Louise M. Luckenbill and
Alan S. Cohen The Association of Lipid Droplets with
Cytoplasmic Filaments in Avian
Subsynovial Adipose Cells . . . . . . . 195
Carl M. Feldherr Nucleocytoplasmic Exchanges During Cell
Division . . . . . . . . . . . . . . . . 199
H. P. Rusch and
W. Sachsenmaier and
Kathryn Behrens and
Vera Gruter Synchronization of Mitosis by the Fusion
of the Plasmodia of \bionamePhysarum
Polycephalum . . . . . . . . . . . . . . 204
Richard M. Hays and
Peter Barland The Isolation of the Membrane of the
Toad Bladder Epithelial Cell . . . . . . 209
Jose A. Zadunaisky The Location of Sodium in the Transverse
Tubules of Skeletal Muscle . . . . . . . ??
Miro Brzin and
Virginia M. Tennyson and
Philip E. Duffy Acetylcholinesterase in Frog Sympathetic
and Dorsal Root Ganglia . . . . . . . . 215
Sten Orrenius and
Jan L. E. Ericsson On the Relationship of Liver
Glucose-$6$-Phosphatase to the
Proliferation of Endoplasmic Reticulum
in Phenobarbital Induction . . . . . . . 243
Jack C. Vaughn The Relationship of the `` Sphere
Chromatophile `` to the Fate of
Displaced Histones Following Histone
Transition in Rat Spermiogenesis . . . . 257
Joseph A. Grasso and
John W. Woodard The Relationship Between RNA Synthesis
and Hemoglobin Synthesis in Amphibian
Erythropoiesis . . . . . . . . . . . . . 279
G. D. Shoup and
D. M. Prescott and
J. R. Wykes Thymidine Triphosphate Synthesis in
\bionameTetrahymena . . . . . . . . . . 295
C. T. Ashworth and
J. S. Leonard and
E. H. Eigenbrodt and
F. J. Wrightsman Hepatic Intracellular Osmiophilic
Droplets . . . . . . . . . . . . . . . . 301
Robert E. Smith and
Marilyn G. Farquhar Lysosome Function in the Regulation of
the Secretory Process in Cells of the
Anterior Pituitary Gland . . . . . . . . 319
Fritz Miller and
Etienne de Harven and
George E. Palade The Structure of Eosinophil Leukocyte
Granules in Rodents and in Man . . . . . 349
R. E. Coggeshall and
E. R. Kandel and
I. Kupfermann and
R. Waziri A Morphological and Functional Study on
a Cluster of Identifiable Neurosecretory
Cells in the Abdominal Ganglion of
\bionameAplysia Californica . . . . . . 363
H. J. Barr and
W. Plaut Comparative Morphology of Nucleolar DNA
in \bionameDrosophila . . . . . . . . . ??
Ruth G. Kleinfeld and
Jesse E. Sisken Morphological and Kinetic Aspects of
Mitotic Arrest by and Recovery from
Colcemid . . . . . . . . . . . . . . . . 369
Mahendra P. Jamuar Studies of Spermiogenesis in a Nematode,
Nippostrongylus Brasiliensis . . . . . . 381
Asao Hirano and
H. M. Zimmerman and
Seymour Levine Myelin in the Central Nervous System As
Observed in Experimentally Induced Edema
in the Rat . . . . . . . . . . . . . . . 397
Ralph A. Jersild A Radioautographic Study of Glyceride
Synthesis in Vivo During Intestinal
Absorption of Fats and Labeled Glucose 413
J. Cronshaw and
L. Hoefert and
K. Esau Ultrastructural Features of Beta Leaves
Infected with Beet Yellows Virus . . . . 429
Elizabeth C. Raff and
J. J. Blum The Effects of Adenosine Triphosphate
and Related Compounds on Some
Hydrodynamic Properties of Glycerinated
Cilia . . . . . . . . . . . . . . . . . 445
Arnold I. Caplan and
John W. Greenawalt Biochemical and Ultrastructural
Properties of Osmotically Lysed
Rat-Liver Mitochondria . . . . . . . . . 455
A. G. Engel and
Lois W. Tice Cytochemistry of Phosphatases of the
Sarcoplasmic Reticulum . . . . . . . . . 473
Lois W. Tice and
A. G. Engel Cytochemistry of Phosphatases of the
Sarcoplasmic Reticulum . . . . . . . . . 489
E. Joan Blanchette Ovarian Steroid Cells . . . . . . . . . 501
E. Joan Blanchette Ovarian Steroid Cells . . . . . . . . . 517
Waheeb K. Heneen and
Warren W. Nichols Persistence of Nucleoli in Short Term
and Long Term Cell Cultures and in
Direct Bone Marrow Preparations in
Mammalian Materials . . . . . . . . . . 543
J. W. Combs Maturation of Rat Mast Cells . . . . . . 563
J. E. Cummins and
H. P. Rusch Limited DNA Synthesis in the Absence of
Protein Synthesis in \bionamePhysarum
Polycephalum . . . . . . . . . . . . . . 577
Woutera van Iterson and
Judith F. M. Hoeniger and
Eva Nijman van Zanten Basal Bodies of Bacterial Flagella in
Proteus Mirabilis . . . . . . . . . . . 585
Judith F. M. Hoeniger and
Woutera van Iterson and
Eva Nijman van Zanten Basal Bodies of Bacterial Flagella in
Proteus Mirabilis . . . . . . . . . . . 603
Werner W. Franke Isolated Nuclear Membranes . . . . . . . 619
Kiyoshi Hama The Fine Structure of the Schwann Cell
Sheath of the Nerve Fiber in the Shrimp
(\bionamePenaeus Japonicus) . . . . . . 624
T. B. Mackenzie and
G. E. Stone and
D. M. Prescott The Durations of G$_1$, S, and G$_2$ at
Different Temperatures in
\bionameTetrahymena Pyriformis Hsm . . . 633
David M. Phillips Substructure of Flagellar Tubules . . . 635
Joseph G. Gall Microtubule Fine Structure . . . . . . . 639
Woutera van Iterson and
Judith F. M. Hoeniger and
Eva Nijman van Zanten A ``Microtubule'' in a Bacterium . . . . 1
W. A. Anderson and
A. Weissman and
R. A. Ellis Cytodifferentiation During
Spermiogenesis in Lumbricus Terrestris 11
A. Rambourg and
C. P. Leblond Electron Microscope Observations on the
Carbohydrate-Rich Cell Coat Present at
the Surface of Cells in the Rat . . . . 27
Philip Seeman Transient Holes in the Erythrocyte
Membrane During Hypotonic Hemolysis and
Stable Holes in the Membrane After Lysis
by Saponin and Lysolecithin . . . . . . 55
K. Esau and
J. Cronshaw and
L. L. Hoefert Relation of Beet Yellows Virus to the
Phloem and to Movement in the Sieve Tube 71
George G. Rose The Circumfusion System for Multipurpose
Culture Chambers . . . . . . . . . . . . 89
Alan Peters and
James E. Vaughn Microtubules and Filaments in the Axons
and Astrocytes of Early Postnatal Rat
Optic Nerves . . . . . . . . . . . . . . 113
Thomas L. Lentz and
J. P. Trinkaus A Fine Structural Study of
Cytodifferentiation During Cleavage,
Blastula, and Gastrula Stages of
Fundulus Heteroclitus . . . . . . . . . 121
J. P. Trinkaus and
Thomas L. Lentz Surface Specializations of Fundulus
Cells and Their Relation to Cell
Movements During Gastrulation . . . . . 139
Russell Ross and
Seymour J. Klebanoff Fine Structural Changes in Uterine
Smooth Muscle and Fibroblasts in
Response to Estrogen . . . . . . . . . . 155
John F. Aronson Polarized Light Observations on Striated
Muscle Contraction in a Mite . . . . . . 169
Pierre Baudhuin and
Philippe Evrard and
Jacques Berthet Electron Microscopic Examination of
Subcellular Fractions . . . . . . . . . 181
Sidney Fleischer and
Becca Fleischer and
Walther Stoeckenius Fine Structure of Lipid-Depleted
Mitochondria . . . . . . . . . . . . . . 193
Park S. Nobel and
Satoru Murakami Electron Microscopic Evidence for the
Location and Amount of Ion Accumulation
by Spinach Chloroplasts . . . . . . . . 209
Jesse E. Sisken and
Elaina Wilkes and
Grace M. Donnelly and
Tsuyoshi Kakefuda The Isolation of the Mitotic Apparatus
from Mammalian Cells in Culture . . . . 212
B. Bertolini and
G. Hassan Acid Phosphatase Associated with the
Golgi Apparatus in Human Liver Cells . . 216
Donald Jasper Body Muscles of the Lamprey . . . . . . 219
Frances Kallman and
Norman K. Wessells Periodic Repeat Units of Epithelial Cell
Tonofilaments . . . . . . . . . . . . . 227
Frances Kallman and
Jean Evans and
Norman K. Wessells Normal Epidermal Basal Cell Behavior in
the Absence of Basement Membrane . . . . 231
Frances Kallman and
Jean Evans and
Norman K. Wessells Anchor Filament Bundles in Embryonic
Feather Germs and Skin . . . . . . . . . 236
Florence Moog and
Robert D. Grey Spatial and Temporal Differentiation of
Alkaline Phosphatase on the Intestinal
Villi of the Mouse . . . . . . . . . . . ??
R. E. Kane The Mitotic Apparatus . . . . . . . . . 243
R. E. Stephens The Mitotic Apparatus . . . . . . . . . 255
Setsuya Fujita Quantitative Analysis of Cell
Proliferation and Differentiation in the
Cortex of the Postnatal Mouse Cerebellum 277
M. G. Dobb and
R. D. B. Fraser and
T. P. Macrae The Fine Structure of Silk Fibroin . . . 289
Richard Holmes Preparation from Human Serum of an
Alpha-One Protein Which Induces the
Immediate Growth of Unadapted Cells in
Vitro . . . . . . . . . . . . . . . . . 297
I. Watanabe and
S. Okada Effects of Temperature on Growth Rate of
Cultured Mammalian Cells (L5178Y) . . . 309
William E. Bowers and
John T. Finkenstaedt and
Christian de Duve Lysosomes in Lymphoid Tissue . . . . . . 325
William E. Bowers and
Christian de Duve Lysosomes in Lymphoid Tissue . . . . . . 339
William E. Bowers and
Christian de Duve Lysosomes in Lymphoid Tissue . . . . . . 349
Victor J. Matukas and
Bernard J. Panner and
J. Lowell Orbison Studies on Ultrastructural
Identification and Distribution of
Protein-Polysaccharide in Cartilage
Matrix . . . . . . . . . . . . . . . . . 365
Miriam M. Salpeter Electron Microscope Radioautography As a
Quantitative Tool in Enzyme
Cytochemistry . . . . . . . . . . . . . 379
Joseph G. Gall Octagonal Nuclear Pores . . . . . . . . 391
Melvin D. Schoenberg and
Richard D. Moore and
Austin S. Weisberger Differentiation and Functional
Expression of Potential
Antibody-Producing Cells in the Presence
of Chloramphenicol . . . . . . . . . . . 401
Gian Luigi Sottocasa and
Bo Kuylenstierna and
Lars Ernster and
Anders Bergstrand An Electron-Transport System Associated
with the Outer Membrane of Liver
Mitochondria . . . . . . . . . . . . . . 415
Mary Bartlett Bunge and
Richard P. Bunge and
Edith R. Peterson and
Margaret R. Murray A Light and Electron Microscope Study of
Long-Term Organized Cultures of Rat
Dorsal Root Ganglia . . . . . . . . . . 439
Edmund B. Masurovsky and
Mary Bartlett Bunge and
Richard P. Bunge Cytological Studies of Organotypic
Cultures of Rat Dorsal Root Ganglia
Following X-Irradiation in Vitro . . . . 467
Edmund B. Masurovsky and
Mary Bartlett Bunge and
Richard P. Bunge Cytological Studies of Organotypic
Cultures of Rat Dorsal Root Ganglia
Following X-Irradiation in Vitro . . . . 497
Dan O. McClary and
Wilbert D. Bowers Structural Differentiation of Obligately
Aerobic and Facultatively Anaerobic
Yeasts . . . . . . . . . . . . . . . . . 519
Donald A. Fischman and
George Weinbaum The Formation of Multiple Layers of
Membrane-Like Structures in
\bionameEscherichia coli B . . . . . . . 524
Phillip Zeidenberg and
Sten Orrenius and
Lars Ernster Increase in Levels of Glucuronylating
Enzymes and Associated Rise in
Activities of Mitochondrial Oxidative
Enzymes Upon Phenobarbital
Administration in the Rat . . . . . . . 528
T. M. Rizki Ultrastructure of the Secretory
Inclusions of the Salivary Gland Cell in
\bionameDrosophila . . . . . . . . . . . 531
Jerome Vanderberg and
Johannes Rhodin Differentiation of Nuclear and
Cytoplasmic Fine Structure During
Sporogonic Development of Plasmodium
Berghei . . . . . . . . . . . . . . . . ??
Martin Hagopian and
David Spiro The Sarcoplasmic Reticulum and Its
Association with the T System in an
Insect . . . . . . . . . . . . . . . . . 535
Philippe Chevaillier Mise En Evidence Et Etude Cytochimique
D'Une Proteine Basique Extranucleaire
Dans Les Spermatozoides Des Crustaces
Decapodes . . . . . . . . . . . . . . . 547
Donald A. Fischman An Electron Microscope Study of
Myofibril Formation in Embryonic Chick
Skeletal Muscle . . . . . . . . . . . . 557
Miro Brzin and
Wolf-D. Dettbarn Cholinesterase Activity of Nodal and
Internodal Regions of Myelinated Nerve
Fibers of Frog . . . . . . . . . . . . . 577
N. A. Barnicot A Study of Newt Mitotic Chromosomes by
Negative Staining . . . . . . . . . . . 585
Gonzague S. Kistler and
Peter R. B. Caldwell and
Ewald R. Weibel Development of Fine Structural Damage to
Alveolar and Capillary Lining Cells in
Oxygen-Poisoned Rat Lungs . . . . . . . 605
R. C. Graham and
M. J. Karnovsky and
A. W. Shafer and
E. A. Glass and
Manfred L. Karnovsky Metabolic and Morphological Observations
on the Effect of Surface-Active Agents
on Leukocytes . . . . . . . . . . . . . 629
Takahiko Kato and
Masanori Kurokawa Isolation of Cell Nuclei from the
Mammalian Cerebral Cortex and Their
Assortment on a Morphological Basis . . 649
Jane Rearick Shoup Spermiogenesis in Wild Type and in a
Male Sterility Mutant of
\bionameDrosophila Melanogaster . . . . 663
Lawrence Einar Scheving and
John Edward Pauly Circadian Phase Relationships of
Thymidine-$^3$H Uptake, Labeled Nuclei,
Grain Counts, and Cell Division Rate in
Rat Corneal Epithelium . . . . . . . . . 677
M. M. Cassidy and
C. S. Tidball Cellular Mechanism of Intestinal
Permeability Alterations Produced by
Chelation Depletion . . . . . . . . . . 685
John L. Mego and
Francisco Bertini and
J. Donald McQueen The Use of Formaldehyde-Treated$^{131}$
I-Albumin in the Study of Digestive
Vacuoles and Some Properties of These
Particles from Mouse Liver . . . . . . . 699
John A. Hardin and
Gerald E. Einem and
David T. Lindsay Simultaneous Synthesis of Histone and
DNA in Synchronously Dividing
\bionameTetrahymena Pyriformis . . . . . 709
Carl Schnaitman and
V. Gene Erwin and
John W. Greenawalt The Submitochondrial Localization of
Monoamine Oxidase . . . . . . . . . . . 719
Hugues J.-P. Ryser Studies on Protein Uptake by Isolated
Tumor Cells . . . . . . . . . . . . . . 737
Ronald A. Bergman Motor Nerve Endings of Twitch Muscle
Fibers in Hippocampus Hudsonius . . . . 751
Thomas E. Morgan and
Gary L. Huber Loss of Lipid During Fixation for
Electron Microscopy . . . . . . . . . . 757
J. D. Berlin The Localization of Acid
Mucopolysaccharides in the Golgi Complex
of Intestinal Goblet Cells . . . . . . . 760
C. C. Widnell and
T. H. Hamilton and
J. R. Tata The Isolation of Enzymically Active
Nuclei from the Rat Heart and Uterus . . 766
Arne Jepsen and
Jòrgen Theilade Electron Microscopic Identification of
Epithelial Cells in Tissue Culture of
Oral Mucous Membrane . . . . . . . . . . 770
D. A. Cameron and
H. A. Paschall and
R. A. Robinson Changes in the Fine Structure of Bone
Cells After the Administration of
Parathyroid Extract . . . . . . . . . . 1
Huai-San Lin A Peculiar Configuration of Agranular
Reticulum (Canaliculate Lamellar Body)
in the Rat Pinealocyte . . . . . . . . . 15
F. Fernández-Madrid Biosynthesis of Collagen . . . . . . . . 27
Zane B. Carothers and
Gerald L. Kreitner Studies of Spermatogenesis in the
Hepaticae . . . . . . . . . . . . . . . 43
Theodore Peters and
Charles A. Ashley An Artefact in Radioautography Due to
Binding of Free Amino Acids to Tissues
by Fixatives . . . . . . . . . . . . . . 53
Richard W. Young The Renewal of Photoreceptor Cell Outer
Segments . . . . . . . . . . . . . . . . 61
David M. Phillips Giant Centriole Formation in Sciara . . 73
Peter M. Robinson and
Christopher Bell The Localization of Acetylcholinesterase
at the Autonomic Neuromuscular Junction 93
Edward A. Johnson and
Joachim R. Sommer A Strand of Cardiac Muscle . . . . . . . 103
Ernest M. Gifford and
Kenneth D. Stewart Ultrastructure of the Shoot Apex of
Chenopodium Album and Certain Other Seed
Plants . . . . . . . . . . . . . . . . . 131
Eldon H. Newcomb Fine Structure of Protein-Storing
Plastids in Bean Root Tips . . . . . . . 143
H. Clarke Anderson and
P. R. Coulter Bone Formation Induced in Mouse Thigh by
Cultured Human Cells . . . . . . . . . . 165
Allan L. Allenspach and
L. E. Roth Structural Variations During Mitosis in
the Chick Embryo . . . . . . . . . . . . 179
Paul M. Kraemer Configuration Change of Surface Sialic
Acid During Mitosis . . . . . . . . . . 197
M. J. Griffin and
R. P. Cox and
N. Grujic A Chemical Method for the Isolation of
HeLa Cell Nuclei and the Nuclear
Localization of HeLa Cell Alkaline
Phosphatase . . . . . . . . . . . . . . 200
Toshihiko Matsusaka Atpase Activity in the Ciliary Rootlet
of Human Retinal Rods . . . . . . . . . 203
J. Leslie Glick and
Anthony P. Salim DNA-Induced Pigment Production in a
Hamster Cell Line . . . . . . . . . . . 209
J. Hugon and
M. Borgers Fine Structural Localization of
Lysosomal Enzymes in the Absorbing Cells
of the Duodenal Mucosa of the Mouse . . 212
George C. Carroll The Ultrastructure of Ascospore
Delimitation in Saccobolus Kerverni . . 218
N. Nanninga Fine Structure Observed in 50S Ribosomal
Subunits of Bacillus Subtilis . . . . . ??
Werner R. Loewenstein and
Yoshinobu Kanno Intercellular Communication and Tissue
Growth . . . . . . . . . . . . . . . . . 225
Werner R. Loewenstein and
Richard D. Penn Intercellular Communication and Tissue
Growth . . . . . . . . . . . . . . . . . 235
Paul G. Bartels and
T. Elliot Weier Particle Arrangements in Proplastids of
Triticum Vulgare L. Seedlings . . . . . 243
Philip W. Brandt and
Enrique Lopez and
John P. Reuben and
Harry Grundfest The Relationship Between Myofilament
Packing Density and Sarcomere Length in
Frog Striated Muscle . . . . . . . . . . 255
Donald W. King and
M. L. Barnhisel Synthesis of RNA in Mammalian Cells
During Mitosis and Interphase . . . . . 265
Jane L. Showacre and
W. G. Cooper and
D. M. Prescott Nucleolar and Nuclear RNA Synthesis
During the Cell Life Cycle in Monkey and
Pig Kidney Cells in Vitro . . . . . . . 273
M. V. Narasimha Rao and
David M. Prescott Micronuclear RNA Synthesis in Paramecium
Caudatum . . . . . . . . . . . . . . . . 281
Eva Eliasson and
G. Eric Bauer and
Tore Hultin Reversible Degradation of Polyribosomes
in Chang Cells Cultured in a
Glutamine-Deficient Medium . . . . . . . 287
L. Bachmann and
M. M. Salpeter Absolute Sensitivity of Electron
Microscope Radioautography . . . . . . . 299
Paul K. Nakane and
G. Barry Pierce Enzyme-Labeled Antibodies for the Light
and Electron Microscopic Localization of
Tissue Antigens . . . . . . . . . . . . 307
Olga Stein and
Yechezkiel Stein Lipid Synthesis, Intracellular
Transport, Storage, and Secretion . . . 319
Leonard Weiss Studies on Cell Deformability . . . . . 341
Norman S. Cohn and
P. van Duijn Constancy of DNA Content in Adrenal
Medulla Nuclei of Cold-Treated Rats . . 349
Ji\vri Lom and
Eugene N. Kozloff The Ultrastructure of Phalacrocleptes
Verruciformis, an Unciliated Ciliate
Parasitizing the Polychaete
Schizobranchia Insignis . . . . . . . . 355
Arnaldo Lasansky Cell Junctions in Ommatidia of Limulus 365
Elvin Harper and
Sam Seifter and
Berta Scharrer Electron Microscopic and Biochemical
Characterization of Collagen in
Blattarian Insects . . . . . . . . . . . 385
David W. Deamer and
Antony Crofts Action of Triton X-100 on Chloroplast
Membranes . . . . . . . . . . . . . . . 395
Rolf H. Dahl and
James N. Pratley The Effects of Magnesium on Nucleoside
Phosphatase Activity in Frog Skin . . . 411
Eric Holtzman and
Alex B. Novikoff and
Humberto Villaverde Lysosomes and Gerl in Normal and
Chromatolytic Neurons of the Rat
Ganglion Nodosum . . . . . . . . . . . . 419
Russell L. Deter and
Christian de Duve Influence of Glucagon, an Inducer of
Cellular Autophagy, on Some Physical
Properties of Rat Liver Lysosomes . . . 437
J. P. Revel and
M. J. Karnovsky Hexagonal Array of Subunits in
Intercellular Junctions of the Mouse
Heart and Liver . . . . . . . . . . . . ??
David P. Bloch and
Robert A. MacQuigg and
Sheilah D. Brack and
Jung-Rung Wu The Syntheses of Deoxyribonucleic Acid
and Histone in the Onion Root Meristem 451
E. G. Cleary and
L. B. Sandberg and
D. S. Jackson The Changes in Chemical Composition
During Development of the Bovine Nuchal
Ligament . . . . . . . . . . . . . . . . 469
Z. T. Wirtschafter and
E. G. Cleary and
D. S. Jackson and
L. B. Sandberg Histological Changes During the
Development of the Bovine Nuchal
Ligament . . . . . . . . . . . . . . . . 481
J. C. H. de Man and
N. J. A. Noorduyn Light and Electron Microscopic
Radioautography of Hepatic Cell Nucleoli
in Mice Treated with Actinomycin D . . . 489
Lawrence K. Schneider and
William O. Rieke DNA Replication Patterns and Chromosomal
Protein Synthesis in Opossum Lymphocytes
in Vitro . . . . . . . . . . . . . . . . 497
T. Bisalputra and
A. A. Bisalputra Chloroplast and Mitochondrial DNA in a
Brown Alga Egregia Menziesii . . . . . . 511
Lowell E. Hokin and
Dorothy Huebner Radioautographic Localization of the
Increased Synthesis of
Phosphatidylinositol in Response to
Pancreozymin Or Acetylcholine in Guinea
Pig Pancreas Slices . . . . . . . . . . 521
J. F. Reger and
D. P. Cooper A Comparative Study on the Fine
Structure of the Basalar Muscle of the
Wing and the Tibial Extensor Muscle of
the Leg of the Lepidopteran Achalarus
Lyciades . . . . . . . . . . . . . . . . 531
David L. Ringo Flagellar Motion and Fine Structure of
the Flagellar Apparatus in Chlamydomonas 543
M. R. Bennett and
D. C. Rogers A Study of the Innervation of the
\bionameTaenia Coli . . . . . . . . . . 573
James W. MacInnes and
Robert B. Uretz Thermal Depolarization of Fluorescence
from Polytene Chromosomes Stained with
Acridine Orange . . . . . . . . . . . . 597
Teruo Suzuki and
F. K. Mostofi Intramitochondrial Filamentous Bodies in
the Thick Limb of Henle of the Rat
Kidney . . . . . . . . . . . . . . . . . 605
Ehud Skutelsky and
David Danon An Electron Microscopic Study of Nuclear
Elimination from the Late Erythroblast 625
Lester Goldstein and
David M. Prescott Proteins in Nucleocytoplasmic
Interactions . . . . . . . . . . . . . . 637
Joseph A. Grasso and
John W. Woodard DNA Synthesis and Mitosis in
Erythropoietic Cells . . . . . . . . . . 645
Alexandra von der Decken Evidence for Regulation of Protein
Synthesis at the Translation Level in
Response to Dietary Alterations . . . . 657
Katherine Esau and
James Cronshaw Relation of Tobacco Mosaic Virus to the
Host Cells . . . . . . . . . . . . . . . 665
Tsuranobu Shirahama and
Alan S. Cohen High-Resolution Electron Microscopic
Analysis of the Amyloid Fibril . . . . . 679
Francis J. Carey and
Olive S. Pettengill A Time-Lapse Study of Effects of
Anticellular Antibody on Membrane
Mobility and Phagocytic Activity of HeLa
Cells . . . . . . . . . . . . . . . . . 709
Andrew Bajer Notes on Ultrastructure and Some
Properties of Transport Within the
Living Mitotic Spindle . . . . . . . . . 713
M. Kumegawa and
M. Cattoni and
George G. Rose An Unusual Droplet in Submandibular
Gland of New Born Mice . . . . . . . . . 720
Martin A. Gorovsky and
John Woodard Histone Content of Chromosomal Loci
Active and Inactive in RNA Synthesis . . 723
David E. Schlegel and
Gustaaf A. de Zoeten Improved Resolution in Light Microscope
Radioautography . . . . . . . . . . . . 728
G. D. Clark-Walker and
Anthony W. Linnane The Biogenesis of Mitochondria in
\bionameSaccharomyces Cerevisiae . . . . 1
Jack Rosenbluth Obliquely Striated Muscle . . . . . . . 15
Hatao Kato and
Avery A. Sandberg Chromosome Pulverization in Human
Binucleate Cells Following Colcemid
Treatment . . . . . . . . . . . . . . . 35
L. E. Roth Electron Microscopy of Mitosis in Amebae 47
R. Simard and
W. Bernhard A Heat-Sensitive Cellular Function
Located in the Nucleolus . . . . . . . . 61
Marion Himes DNA-Protein Binding in Interphase
Chromosomes . . . . . . . . . . . . . . 77
Irwin A. Schafer and
Lloyd Silverman and
Julia C. Sullivan and
William Van B. Robertson Ascorbic Acid Deficiency in Cultured
Human Fibroblasts . . . . . . . . . . . 83
Jesse E. Sisken and
Elaina Wilkes The Time of Synthesis and the
Conservation of Mitosis-Related Proteins
in Cultured Human Amnion Cells . . . . . 97
Norman E. Kemp and
Nancy L. Istock Cortical Changes in Growing Oocytes and
in Fertilized Or Pricked Eggs of Rana
Pipiens . . . . . . . . . . . . . . . . 111
Robert R. Cardell and
Susan Badenhausen and
Keith R. Porter Intestinal Triglyceride Absorption in
the Rat . . . . . . . . . . . . . . . . 123
Richard Davis and
George B. Koelle Electron Microscopic Localization of
Acetylcholinesterase and Nonspecific
Cholinesterase at the Neuromuscular
Junction by the Gold-Thiocholine and
Gold-Thiolacetic Acid Methods . . . . . 157
Roland J. Lesseps The Removal by Phospholipase C of a
Layer of Lanthanum-Staining Material
External to the Cell Membrane in
Embryonic Chick Cells . . . . . . . . . 173
Elliot Bindler and
Frank S. Labella and
Madhu Sanwal Isolated Nerve Endings
(Neurosecretosomes) from the Posterior
Pituitary . . . . . . . . . . . . . . . 185
T. S. Reese and
Morris J. Karnovsky Fine Structural Localization of a
Blood-Brain Barrier to Exogenous
Peroxidase . . . . . . . . . . . . . . . 207
Edward D. Korn and
Robert A. Weisman Phagocytosis of Latex Beads by
\bionameAcanthamoeba . . . . . . . . . . 219
Masamichi Aikawa and
Clay G. Huff and
Helmuth Sprinz Fine Structure of the Asexual Stages of
Plasmodium Elongatum . . . . . . . . . . 229
Olga Stein and
Yechezkiel Stein Lipid Synthesis, Intracellular
Transport, and Secretion . . . . . . . . 251
Edward Koenig Observations on Selected Isolated
Retinal Elements and an Analysis of Rod
Cell RNA of the Rabbit . . . . . . . . . 265
Robert K. Schenk and
David Spiro and
Joseph Wiener Cartilage Resorption in the Tibial
Epiphyseal Plate of Growing Rats . . . . 275
O. Lindberg and
J. De Pierre and
E. Rylander and
B. A. Afzelius Studies of the Mitochondrial
Energy-Transfer System of Brown Adipose
Tissue . . . . . . . . . . . . . . . . . 293
John A. Terzakis and
Helmuth Sprinz and
Ronald A. Ward The Transformation of the Plasmodium
Gallinaceum Oocyst in Aedes Aegypti
Mosquitoes . . . . . . . . . . . . . . . 311
Lewis G. Tilney and
Keith R. Porter Studies on the Microtubules in Heliozoa 327
Joel L. Rosenbaum and
F. M. Child Flagellar Regeneration in Protozoan
Flagellates . . . . . . . . . . . . . . 345
Walther Stoeckenius and
Robert Rowen A Morphological Study of Halobacterium
Halobium and Its Lysis in Media of Low
Salt Concentration . . . . . . . . . . . 365
D. E. Slagel and
J.-E. Edström A Rapid Method for Calculation of the
Total Amount of Absorbing Substance in
Microextracts . . . . . . . . . . . . . 395
Sidney Goldfischer The Cytochemical Localization of
Myoglobin in Striated Muscle of Man and
Walrus . . . . . . . . . . . . . . . . . 398
Alan D. Sudweeks and
Rolla B. Hill Control of Liver Cell Replication by
Albumin Need . . . . . . . . . . . . . . 404
C. F. Doggenweiler and
John E. Heuser Ultrastructure of the Prawn Nerve
Sheaths . . . . . . . . . . . . . . . . 407
Raúl Hinojosa and
J. David Robertson Ultrastructure of the Spoon Type
Synaptic Endings in the Nucleus
Vestibularis Tangentialis of the Chick 421
Marvin H. Stromer and
D. E. Goll and
L. E. Roth Morphology of Rigor-Shortened Bovine
Muscle and the Effect of Trypsin on Pre-
and Postrigor Myofibrils . . . . . . . . 431
T. M. Mukherjee and
A. Wynn Williams A Comparative Study of the
Ultrastructure of Microvilli in the
Epithelium of Small and Large Intestine
of Mice . . . . . . . . . . . . . . . . 447
R. A. Jenkins Fine Structure of Division in Ciliate
Protozoa . . . . . . . . . . . . . . . . 463
Arthur M. Zimmerman and
Selma Zimmerman Action of Colcemid in Sea Urchin Eggs 483
M. Steinert and
Suzanne van Assel The Loss of Kinetoplastic DNA in Two
Species of Trypanosomatidae Treated with
Acriflavine . . . . . . . . . . . . . . 489
Leon Marcus and
H. Ris and
H. O. Halvorson and
R. K. Bretthauer and
R. M. Bock Occurrence, Isolation, and
Characterization of Polyribosomes in
Yeast . . . . . . . . . . . . . . . . . 505
Helen A. Mintz and
David H. Yawn and
Brian Safer and
Edward Bresnick and
Annabel G. Liebelt and
Zack R. Blailock and
Erwin R. Rabin and
Arnold Schwartz Morphological and Biochemical Studies of
Isolated Mitochondria from Fetal,
Neonatal, and Adult Liver and from
Neoplastic Tissues . . . . . . . . . . . 513
G. G. Borisy and
E. W. Taylor The Mechanism of Action of Colchicine 525
G. G. Borisy and
E. W. Taylor The Mechanism of Action of Colchicine 535
M. L. Shelanski and
E. W. Taylor Isolation of a Protein Subunit from
Microtubules . . . . . . . . . . . . . . 549
Asao Hirano and
Herbert M. Dembitzer A Structural Analysis of the Myelin
Sheath in the Central Nervous System . . 555
Harold W. Fisher and
T. W. Cooper Electron Microscope Studies of the
Microvilli of HeLa Cells . . . . . . . . 569
James D. Jamieson and
George E. Palade Intracellular Transport of Secretory
Proteins in the Pancreatic Exocrine Cell 577
James D. Jamieson and
George E. Palade Intracellular Transport of Secretory
Proteins in the Pancreatic Exocrine Cell 597
Arnaldo Lasansky The Pathway Between Hyaloid Blood and
Retinal Neurons in the Toad . . . . . . 617
Edward D. Korn A Chromatographic and Spectrophotometric
Study of the Products of the Reaction of
Osmium Tetroxide with Unsaturated Lipids 627
Howard J. Arnott and
Kenneth M. Smith Intracellular Inclusions in the Gut
Epithelial Cells of Piesma Cinereum Say 639
Arthur T. Hertig and
Eleanor C. Adams Studies on the Human Oocyte and Its
Follicle . . . . . . . . . . . . . . . . 647
Takashi Tokumitsu and
Karl Maramorosch Cytoplasmic Protrusions in Insect Cells
During Mitosis in Vitro . . . . . . . . 677
Elliott Robbins and
Matthew D. Scharff The Absence of a Detectable G$_1$ Phase
in a Cultured Strain of Chinese Hamster
Lung Cell . . . . . . . . . . . . . . . 684
F. R. Susi and
W. D. Belt and
J. W. Kelly Fine Structure of Fibrillar Complexes
Associated with the Basement Membrane in
Human Oral Mucosa . . . . . . . . . . . 686
J. Metuzals Helical Arrangement of the Subunits of
the Neurofibrillar Bundles Isolated from
Leech Nervous System . . . . . . . . . . 690
O. Behnke Incomplete Microtubules Observed in
Mammalian Blood Platelets During
Microtubule Polymerization . . . . . . . 697
J. Berthet and
P. Baudhuin A Remark About the Determination of the
Water Content of Mitochondria . . . . . 701
C. Barros and
J. M. Bedford and
L. E. Franklin and
C. R. Austin Membrane Vesiculation As a Feature of
the Mammalian Acrosome Reaction . . . . ??
Nancy L. Trotter Electron-Opaque Bodies and Fat Droplets
in Mouse Liver After Fasting Or Glucose
Injection . . . . . . . . . . . . . . . 703
Bernard P. Lane Localization of Products of ATP
Hydrolysis in Mammalian Smooth Muscle
Cells . . . . . . . . . . . . . . . . . 713
R. Gerald Suskind Effect of Temperature of Aldehyde
Fixation on the Radioautographic
Localization of Ribonucleoprotein in
Nucleoli of HeLa Cells . . . . . . . . . 721
A. K. Asbury Schwann Cell Proliferation in Developing
Mouse Sciatic Nerve . . . . . . . . . . 735
Philip M. Seeman and
George E. Palade Acid Phosphatase Localization in Rabbit
Eosinophils . . . . . . . . . . . . . . 745
W. Bernhard and
Elizabeth H. Leduc Ultrathin Frozen Sections . . . . . . . 757
Elizabeth H. Leduc and
W. Bernhard and
S. J. Holt and
J. P. Tranzer Ultrathin Frozen Sections . . . . . . . 773
Arnold M. Seligman and
Robert E. Plapinger and
Hannah L. Wasserkrug and
Chandicharan Deb and
Jacob S. Hanker Ultrastructural Demonstration of
Cytochrome Oxidase Activity by the Nadi
Reaction with Osmiophilic Reagents . . . 787
James Cronshaw and
Katherine Esau Tubular and Fibrillar Components of
Mature and Differentiating Sieve
Elements . . . . . . . . . . . . . . . . 801
Leonard Napolitano and
Francis Lebaron and
Joseph Scaletti Preservation of Myelin Lamellar
Structure in the Absence of Lipid . . . 817
Douglas E. Kelly Models of Muscle Z-Band Fine Structure
Based on a Looping Filament
Configuration . . . . . . . . . . . . . 827
J. Frankel Studies on the Maintenance of Oral
Development in \bionameTetrahymena
Pyriformis Gl-C . . . . . . . . . . . . 841
Lionel I. Rebhun and
Greta Sander Ultrastructure and Birefringence of the
Isolated Mitotic Apparatus of Marine
Eggs . . . . . . . . . . . . . . . . . . 859
Baccio Baccetti Collagen of the Earthworms . . . . . . . 885
N. Tulchin and
G. M. Mateyko and
M. J. Kopac Drosophila Salivary Glands in Vitro . . 891
M. Kumegawa and
M. Cattoni and
G. G. Rose Electron Microscopy of Oral Cells in
Vitro . . . . . . . . . . . . . . . . . 897
J. R. Sommer and
W. Hasselbach The Effect of Glutaraldehyde and
Formaldehyde on the Calcium Pump of the
Sarcoplasmic Reticulum . . . . . . . . . 902
Carl W. Schaefer and
Jerome P. Vanderberg and
Johannes Rhodin The Fine Structure of Mosquito Midgut
Muscle . . . . . . . . . . . . . . . . . 905
Michael R. Levy and
Ann E. Hunt L-$ \alpha $-hydroxy acid oxidase
activity in \bionameTetrahymena . . . . 911
S. Okada A Simple Graphic Method of Computing the
Parameters of the Life Cycle of Cultured
Mammalian Cells in the Exponential
Growth Phase . . . . . . . . . . . . . . 915
Akio Yamauchi and
Geoffrey Burnstock Nerve-Myoepithelium and Nerve-Glandular
Epithelium Contacts in the Lacrimal
Gland of the Sheep . . . . . . . . . . . 917
Jack L. Pate and
Erling J. Ordal The Fine Structure of Chondrococcus
Columnaris . . . . . . . . . . . . . . . 1
Jack L. Pate and
John L. Johnson and
Erling J. Ordal The Fine Structure of Chondrococcus
Columnaris . . . . . . . . . . . . . . . 15
Jack L. Pate and
Erling J. Ordal The Fine Structure of Chondrococcus
Columnaris . . . . . . . . . . . . . . . 37
R. A. Tobey and
E. C. Anderson and
D. F. Petersen The Effect of Thymidine on the Duration
of G$_1$ in Chinese Hamster Cells . . . 53
Lloyd Silverman and
Laurence H. Frommhagen and
David Glick Measurement of Influenza Virus-Antibody
Reaction by Quantitative Electron
Microscopy . . . . . . . . . . . . . . . 61
Wolf H. Fahrenbach The Fine Structure of Fast and Slow
Crustacean Muscles . . . . . . . . . . . 69
H. Clarke Anderson Electron Microscopic Studies of Induced
Cartilage Development and Calcification 81
Masamichi Aikawa Ultrastructure of the Pellicular Complex
of Plasmodium Fallax . . . . . . . . . . 103
Bronnetta L. Scott Thymidine-$^3$H Electron Microscope
Radioautography of Osteogenic Cells in
the Fetal Rat . . . . . . . . . . . . . 115
Donald Svoboda and
Harold Grady and
Daniel Azarnoff Microbodies in Experimentally Altered
Cells . . . . . . . . . . . . . . . . . 127
J. Richard McIntosh and
Keith R. Porter Microtubules in the Spermatids of the
Domestic Fowl . . . . . . . . . . . . . 153
Marion Himes An Analysis of Heterochromatin in Maize
Root Tips . . . . . . . . . . . . . . . 175
M. Weintraub and
H. W. Ragetli and
V. T. John Some Conditions Affecting the
Intracellular Arrangement and
Concentration of Tobacco Mosaic Virus
Particles in Local Lesions . . . . . . . 183
Everett Anderson The Formation of the Primary Envelope
During Oocyte Differentiation in
Teleosts . . . . . . . . . . . . . . . . 193
Morris J. Karnovsky The Ultrastructural Basis of Capillary
Permeability Studied with Peroxidase As
a Tracer . . . . . . . . . . . . . . . . 213
Charles F. Simpson and
J. M. Kling The Mechanism of Denucleation in
Circulating Erythroblasts . . . . . . . 237
Thomas F. Roth and
Michio Ito DNA-Dependent Formation of the
Synaptinemal Complex at Meiotic Prophase 247
George Hug and
William K. Schubert Lysosomes in Type Ii Glycogenosis . . . ??
Sandra Winicur Reactivation of Ethanol-Calcium-Isolated
Cilia from \bionameTetrahymena
Pyriformis . . . . . . . . . . . . . . . ??
W. W. Nichols and
P. Aula and
A. Levan and
W. Heneen and
E. Norrby Radioautography with Tritiated Thymidine
in Measles and Sendai Virus-Induced
Chromosome Pulverizations . . . . . . . 257
I. Pastan and
S. H. Wollman Colloid Droplet Formation in Dog Thyroid
in Vitro . . . . . . . . . . . . . . . . 262
Gunnar D. Bloom A Nucleus with Cytoplasmic Features . . 266
Thomas Maack Changes in the Activity of Acid
Hydrolases During Renal Reabsorption of
Lysozyme . . . . . . . . . . . . . . . . 268
John A. Terzakis Substructure in an Epithelial Basal
Lamina (Basement Membrane) . . . . . . . 273
B. R. Brinkley and
Patricia Murphy and
L. Carole Richardson Procedure for Embedding in Situ Selected
Cells Cultured in Vitro . . . . . . . . 279
Russell L. Deter and
Pierre Baudhuin and
Christian de Duve Participation of Lysosomes in Cellular
Autophagy Induced in Rat Liver by
Glucagon . . . . . . . . . . . . . . . . ??
Eldon H. Newcomb A Spiny Vesicle in Slime-Producing Cells
of the Bean Root . . . . . . . . . . . . ??
I. Watanabe and
S. Okada Stationary Phase of Cultured Mammalian
Cells (L5178Y) . . . . . . . . . . . . . 285
P. R. Mahadevan and
E. L. Tatum Localization of Structural Polymers in
the Cell Wall of Neurospora Crassa . . . 295
Bernard J. Panner and
Carl R. Honig Filament Ultrastructure and Organization
in Vertebrate Smooth Muscle . . . . . . 303
Darryll E. Outka and
Byron C. Kluss The Ameba-To-Flagellate Transformation
in Tetramitus Rostratus . . . . . . . . 323
Leonard Weiss Studies of Cell Deformability . . . . . 347
Daniel S. Friend and
Marilyn G. Farquhar Functions of Coated Vesicles During
Protein Absorption in the Rat Vas
Deferens . . . . . . . . . . . . . . . . 357
Eugene Y. F. Shen Microspectrophotometric Analysis of
Nuclear DNA in Chara Zeylanica . . . . . 377
Vincent T. Marchesi and
George E. Palade The localization of Mg--Na--K-activated
adenosine triphosphatase on red cell
ghost membranes . . . . . . . . . . . . 385
Elizabeth B. Ezerman and
Harunori Ishikawa Differentiation of the Sarcoplasmic
Reticulum and T System in Developing
Chick Skeletal Muscle in Vitro . . . . . 405
Nancy J. Lane Spheroidal and Ring Nucleoli in
Amphibian Oocytes . . . . . . . . . . . 421
Scott E. Dietert The Columnar Cells Occurring in the
Parietal Layer of Bowman's Capsule . . . 435
Y. Shimada and
D. A. Fischman and
A. A. Moscona The Fine Structure of Embryonic Chick
Skeletal Muscle Cells Differentiated in
Vitro . . . . . . . . . . . . . . . . . 445
Nirmal K. Das and
Julie Micou-Eastwood and
Max Alfert Cytochemical and Biochemical Properties
of Basic Proteins of Urechis Acrosomes 455
Tsuranobu Shirahama and
Alan S. Cohen Reconstitution of Amyloid Fibrils from
Alkaline Extracts . . . . . . . . . . . 459
Bernhard Kramarsky and
Richard Siegler and
Marvin A. Rich Presence of Endothelial Fenestrations in
Thymic Capillaries of Mice . . . . . . . 464
Klaus Wolff The Fine Structure of the Langerhans
Cell Granule . . . . . . . . . . . . . . 468
Paul F. Parakkal Transfer of Premelanosomes into the
Keratinizing Cells of Albino Hair
Follicle . . . . . . . . . . . . . . . . 473
B. G. T. Pogo and
V. G. Allfrey and
A. E. Mirsky The Effect of Phytohemagglutinin on
Ribonucleic Acid Synthesis and Histone
Acetylation in Equine Leukocytes . . . . 477
Jean H. Priest and
Judith E. Heady and
Robert E. Priest Delayed Onset of Replication of Human X
Chromosomes . . . . . . . . . . . . . . 483
Marvin H. Stromer and
D. J. Hartshorne and
R. V. Rice Removal and Reconstitution of Z-Line
Material in a Striated Muscle . . . . . ??
Emerson S. Hawley and
R. P. Wagner Synchronous Mitochondrial Division in
Neurospora Crassa . . . . . . . . . . . 489
A. Tixier-Vidal and
R. Picart Etude Quantitative Par Radioautographie
Au Microscope Electronique De
L'Utilisation De La Dl-Leucine-$^3$ H
Par Les Cellules De L'Hypophyse Du
Canard En Culture Organotypiqe . . . . . 501
I. Ohad and
P. Siekevitz and
G. E. Palade Biogenesis of Chloroplast Membranes . . 521
I. Ohad and
P. Siekevitz and
G. E. Palade Biogenesis of Chloroplast Membranes . . 553
Charles E. Stirling and
William B. Kinter High-Resolution Radioautography of
Galactose-$^3$H Accumulation in Rings of
Hamster Intestine . . . . . . . . . . . 585
Charles E. Stirling High-Resolution Radioautography of
Phlorizin-$^3$H in Rings of Hamster
Intestine . . . . . . . . . . . . . . . 605
Maurice M. Black and
Hudson R. Ansley Antigen-Induced Changes in Lymphoid Cell
Histones . . . . . . . . . . . . . . . . 619
Maurice M. Black and
Hudson R. Ansley Antigen-Induced Changes in Lymphoid Cell
Histones . . . . . . . . . . . . . . . . 627
Pierre Baudhuin and
Jacques Berthet Electron Microscopic Examination of
Subcellular Fractions . . . . . . . . . 631
Robert S. Verbin and
Emmanuel Farber Effect of Cycloheximide on the Cell
Cycle of the Crypts of the Small
Intestine of the Rat . . . . . . . . . . 649
Peter M. Ray Radioautographic Study of Cell Wall
Deposition in Growing Plant Cells . . . 659
Roger B. Howard and
A. Kent Christensen and
Frederic A. Gibbs and
Leroy A. Pesch The Enzymatic Preparation of Isolated
Intact Parenchymal Cells from Rat Liver 675
H. Ginsburg and
D. Lagunoff The in Vitro Differentiation of Mast
Cells . . . . . . . . . . . . . . . . . 685
David E. Comings Histones of Genetically Active and
Inactive Chromatin . . . . . . . . . . . 699
Bonnie Sue Ebstein Tritiated Actinomycin D As a
Cytochemical Label for Small Amounts of
DNA . . . . . . . . . . . . . . . . . . 709
E. Plessmann Camargo and
W. Plaut The Radioautographic Detection of DNA
with Tritiated Actinomycin D . . . . . . 713
René Simard The Binding of Actinomycin D-$^3$H to
Heterochromatin As Studied by
Quantitative High Resolution
Radioautography . . . . . . . . . . . . 716
Stuart Hodson and
J. Marshall Tyrosine Incorporation into the Rabbit
Retina . . . . . . . . . . . . . . . . . 722
Harvard Lyman Specific Inhibition of Chloroplast
Replication in Euglena Gracilis by
Nalidixic Acid . . . . . . . . . . . . . 726
M. A. Williams More Intramitochondrial Bodies . . . . . 730
Arthur L. Frank and
A. Kent Christensen Localization of Acid Phosphatase in
Lipofuscin Granules and Possible
Autophagic Vacuoles in Interstitial
Cells of the Guinea Pig Testis . . . . . 1
Arnold I. Caplan and
John W. Greenawalt The Effects of Osmotic Lysis on the
Oxidative Phosphorylation and
Compartmentation of Rat Liver
Mitochondria . . . . . . . . . . . . . . 15
J. Gomez-Acebo and
R. Parrilla and
J. L. R-Candela Fine Structure of the A and D Cells of
the Rabbit Endocrine Pancreas in Vivo
and Incubated in Vitro . . . . . . . . . 33
Richard S. Morgan and
Henry S. Slayter and
David L. Weller Isolation of Ribosomes from Cysts of
Entamoeba Invadens . . . . . . . . . . . 45
Lester Goldstein and
David M. Prescott Proteins in Nucleocytoplasmic
Interactions . . . . . . . . . . . . . . 53
Olga Stein and
Yechezkiel Stein Lipid Synthesis, Intracellular
Transport, and Storage . . . . . . . . . 63
F. L. Renaud and
A. J. Rowe and
I. R. Gibbons Some Properties of the Protein Forming
the Outer Fibers of Cilia . . . . . . . 79
R. Soeiro and
M. H. Vaughan and
J. E. Darnell The Effect of Puromycin on Intranuclear
Steps in Ribosome Biosynthesis . . . . . 91
Charles F. Simpson and
J. M. Kling The Mechanism of Mitochondrial Extrusion
from Phenylhydrazine-Induced
Reticulocytes in the Circulating Blood 103
Richard Bischoff and
Howard Holtzer The Effect of Mitotic Inhibitors on
Myogenesis in Vitro . . . . . . . . . . 111
L. V. Leak and
J. F. Burke Ultrastructural Studies on the Lymphatic
Anchoring Filaments . . . . . . . . . . 129
Constantino Sotelo and
Sanford L. Palay The Fine Structure of the Lateral
Vestibular Nucleus in the Rat . . . . . 151
A. I. Kahri Effects of Actinomycin D and Puromycin
on the Acth-Induced Ultrastructural
Transformation of Mitochondria of
Cortical Cells of Rat Adrenals in Tissue
Culture . . . . . . . . . . . . . . . . 181
Samuel C. Silverstein and
Samuel Dales The Penetration of Reovirus RNA and
Initiation of Its Genetic Function in
L-Strain Fibroblasts . . . . . . . . . . 197
Robert M. McCombs and
Matilda Benyesh-Melnick and
J. Pierre Brunschwig The Use of Millipore Filters in
Ultrastructural Studies of Cell Cultures
and Viruses . . . . . . . . . . . . . . 231
Jack Rosenbluth Obliquely Striated Muscle . . . . . . . 245
Ronald Hancock and
Harold Amos Nuclear binding of exogenous histones by
L cells at low pH . . . . . . . . . . . ??
Winfield S. Morgan Ductal Excretion of Neutral Red
Lysosomes in the Mouse Pancreas . . . . 261
Don W. Fawcett The Sporadic Occurrence in Cardiac
Muscle of Anomalous Z Bands Exhibiting a
Periodic Structure Suggestive of
Tropomyosin . . . . . . . . . . . . . . 266
C. R. Stocking and
L. K. Shumway and
T. E. Weier and
D. Greenwood Ultrastructure of Chloroplasts Isolated
by Nonaqueous Extraction . . . . . . . . 270
Luciano Zamboni and
Bernard Gondos Intercellular Bridges and
Synchronization of Germ Cell
Differentiation During Oogenesis in the
Rabbit . . . . . . . . . . . . . . . . . 276
William M. Leach The Thymidine Pool in Grasshopper
Neuroblasts During Mitosis . . . . . . . 282
Masando Hayashi and
Tsuranobu Shirahama and
Alan S. Cohen Combined cytochemical and electron
microscopic demonstration of $ \beta
$-glucuronidase activity in rat liver
with the use of a simultaneous coupling
azo dye technique . . . . . . . . . . . 289
P. R. Sweeny and
R. Bather An Electron Microscopic Study of the
Chorioallantoic Membrane Following
Infection with Rous Sarcoma Virus . . . 299
Hisashi Shinozuka and
Peter J. Goldblatt and
Emmanuel Farber The Disorganization of Hepatic Cell
Nucleoli Induced by Ethionine and Its
Reversal by Adenine . . . . . . . . . . 313
Elliott Robbins and
Gisela Jentzsch and
Anita Micali The Centriole Cycle in Synchronized HeLa
Cells . . . . . . . . . . . . . . . . . 329
Rainer Martin and
Philip Rosenberg Fine Structural Alterations Associated
with Venom Action on Squid Giant Nerve
Fibers . . . . . . . . . . . . . . . . . 341
Charles E. Ganote and
Jared J. Grantham and
Harold L. Moses and
Maurice B. Burg and
Jack Orloff Ultrastructural Studies of Vasopressin
Effect on Isolated Perfused Renal
Collecting Tubules of the Rabbit . . . . 355
Charles W. Boone and
George S. Harell and
Howard E. Bond The Resolution of Mixtures of Viable
Mammalian Cells into Homogeneous
Fractions by Zonal Centrifugation . . . 369
Pierluigi Gambetti and
Nicholas K. Gonatas and
Louis B. Flexner The Fine Structure of Puromycin-Induced
Changes in Mouse Entorhinal Cortex . . . 379
Alfred M. Elliott and
Roger G. Zieg A Golgi Apparatus Associated with Mating
in \bionameTetrahymena Pyriformis . . . 391
Sidney N. Klaus The Effect of Colchicine on Mosaic
Patterns in Cultured Cells . . . . . . . 399
William A. Jensen Cotton Embryogenesis . . . . . . . . . . 403
B. Allen Flaxman and
Marvin A. Lutzner and
Eugene J. Van Scott Ultrastructure of Cell Attachment to
Substratum in Vitro . . . . . . . . . . 406
Bojan Flaks Formation of Membrane-Glycogen Arrays in
Rat Hepatoma Cells . . . . . . . . . . . 410
L. H. Lazarus and
O. H. Scherbaum Activity of Ribonuclease, Acid
Phosphatase, and Phosphodiesterase in
\bionameTetrahymena Pyriformis During
Growth . . . . . . . . . . . . . . . . . 415
Yutaka Tashiro and
Shiro Matsuura and
Takashi Morimoto and
Sunao Nagata Extrusion of Nuclear Materials into
Cytoplasm in the Posterior Silk Gland
Cells of Silkworm, Bombyx Mori . . . . . ??
M. Elizabeth Rogers Ribonucleoprotein Particles in the
Amphibian Oocyte Nucleus . . . . . . . . 421
Martin Hagopian and
David Spiro The Filament Lattice of Cockroach
Thoracic Muscle . . . . . . . . . . . . 433
M. Kumegawa and
M. Cattoni and
George G. Rose Electron Microscopy of Oral Cells in
Vitro . . . . . . . . . . . . . . . . . 443
M. Locke and
Janet V. Collins Protein Uptake into Multivesicular
Bodies and Storage Granules in the Fat
Body of an Insect . . . . . . . . . . . 453
Agnese Brega and
Arturo Falaschi and
Luigi De Carli and
Mario Pavan Studies on the Mechanism of Action of
Pederine . . . . . . . . . . . . . . . . 485
Joachim R. Sommer and
Edward A. Johnson Cardiac Muscle . . . . . . . . . . . . . 497
A. M. Stuart and
P. Satir Morphological and Functional Aspects of
an Insect Epidermal Gland . . . . . . . 527
Jacob I. Fabrikant The Kinetics of Cellular Proliferation
in Regenerating Liver . . . . . . . . . 551
André Bernard Borle Calcium Metabolism in HeLa Cells and the
Effects of Parathyroid Hormone . . . . . 567
M. D. Enger and
R. A. Tobey and
A. G. Saponara RNA Synthesis in Chinese Hamster Cells 583
Richard W. Sagebiel and
Thomas H. Reed Serial Reconstruction of the
Characteristic Granule of the Langerhans
Cell . . . . . . . . . . . . . . . . . . 595
Zane B. Carothers and
Gerald L. Kreitner Studies of Spermatogenesis in the
Hepaticae . . . . . . . . . . . . . . . 603
Terry C. Johnson and
Michael P. Lerner and
Gerald J. Lancz Inhibition of Protein Synthesis in
Noninfected L Cells by Partially
Purified Interferon Preparations . . . . 617
Cornelis L. Voûte and
Hans H. Ussing Some Morphological Aspects of Active
Sodium Transport* . . . . . . . . . . . 625
Ronald A. Bergman Uterine Smooth Muscle Fibers in Castrate
and Estrogen-Treated Rats . . . . . . . 639
Philias R. Garant Glycogen-Membrane Complexes Within Mouse
Striated Muscle Cells . . . . . . . . . 648
Alfred L. Goldberg Protein Synthesis During Work-Induced
Growth of Skeletal Muscle . . . . . . . 653
R. G. Kessel Fine Structure of Annulate Lamellae . . 658
J. Pieri and
C. Vaugien and
M. Trouillier Interpretation Cytophotometrique Des
Phenomenes Micronucleaires Au Cours De
La Division Binaire Et Des Divisions
Pregamiques Chez Paramecium Trichium . . 664
Marianne J. Legato and
David Spiro and
Glenn A. Langer Ultrastructural Alterations Produced in
Mammalian Myocardium by Variation in
Perfusate Ionic Composition . . . . . . 1
Peter Barland and
Carol Smith and
David Hamerman Localization of Hyaluronic Acid in
Synovial Cells by Radioautography . . . 13
Alden V. Loud A Quantitative Stereological Description
of the Ultrastructure of Normal Rat
Liver Parenchymal Cells . . . . . . . . 27
Joseph Wiener and
Alden V. Loud and
Daniel V. Kimberg and
David Spiro A Quantitative Description of
Cortisone-Induced Alterations in the
Ultrastructure of Rat Liver Parenchymal
Cells . . . . . . . . . . . . . . . . . 47
Daniel V. Kimberg and
Alden V. Loud and
Joseph Wiener Cortisone-Induced Alterations in
Mitochondrial Function and Structure . . 63
G. J. Stine Enzyme Activities During the Asexual
Cycle of Neurospora Crassa . . . . . . . 81
Nancy J. Lane Distribution of Phosphatases in the
Golgi Region and Associated Structures
of the Thoracic Ganglionic Neurons in
the Grasshopper, \bionameMelanoplus
Differentialis . . . . . . . . . . . . . 89
Robert E. Kelly and
Robert V. Rice Localization of Myosin Filaments in
Smooth Muscle . . . . . . . . . . . . . 105
John Lenard and
S. J. Singer Alteration of the Conformation of
Proteins in Red Blood Cell Membranes and
in Solution by Fixatives Used in
Electron Microscopy . . . . . . . . . . 117
Ramzi S. Cotran and
Morris J. Karnovsky Ultrastructural Studies on the
Permeability of the Mesothelium to
Horseradish Peroxidase . . . . . . . . . 123
Alan E. Organ and
Eugene C. Bovee and
Theodore L. Jahn and
Duncan Wigg and
James R. Fonseca The Mechanism of the Nephridial
Apparatus of Paramecium Mul
Timicronucleatum . . . . . . . . . . . . 139
Paul D. Sadowski and
Jan W. Steiner Electron Microscopic and Biochemical
Characteristics of Nuclei and Nucleoli
Isolated from Rat Liver . . . . . . . . 147
Paul D. Sadowski and
Janet Alcock Howden Isolation of Two Distinct Classes of
Polysomes from a Nuclear Fraction of Rat
Liver . . . . . . . . . . . . . . . . . 163
David R. Saunders and
Janet Wilson and
Cyrus E. Rubin Loss of Absorbed Lipid During Fixation
and Dehydration of Jejunal Mucosa . . . 183
D. A. Ollerich An Intramitochondrial Crystalloid in
Element III of Rat Chorioallantoic
Placenta . . . . . . . . . . . . . . . . 188
Francis J. Manasek Mitosis in Developing Cardiac Muscle . . 191
G. Ruhenstroth-Bauer and
Christine Lücke-Huhle Two Populations of Small Lymphocytes . . 196
Howard T. Bonnett The Root Endodermis: Fine Structure and
Function . . . . . . . . . . . . . . . . 199
P. G. Bartels and
E. J. Pegelow The Action of Sirmate
(3,4-Dichlorobenzyl Methylcarbamate) on
Chloroplast Ribosomes of
\bionameTriticum Vulgare L. Seedlings ??
P. G. Wallace and
M. Huang and
Anthony W. Linnane The Biogenesis of Mitochondria . . . . . 207
D. Jollow and
G. M. Kellerman and
Anthony W. Linnane The Biogenesis of Mitochondria . . . . . 221
Hideyuki Tsukada and
Yohichi Mochizuki and
Tadako Konishi Morphogenesis and Development of
Microbodies of Hepatocytes of Rats
During Pre- and Postnatal Growth . . . . 231
Romaine R. Bruns and
George E. Palade Studies on Blood Capillaries . . . . . . 244
Romaine R. Bruns and
George E. Palade Studies on Blood Capillaries . . . . . . 277
Charles J. Flickinger The Effects of Enucleation on the
Cytoplasmic Membranes of Amoeba Proteus 300
Jean Gouranton Composition, Structure, Et Mode De
Formation Des ConcrÉTions MinÉRales Dans
L'Intestin Moyen Des Homopteres
Cercopides . . . . . . . . . . . . . . . 316
Herbert M. Dembitzer Digestion and the Distribution of Acid
Phosphatase in Blepharisma . . . . . . . 329
Charles R. Hackenbrock Ultrastructural Bases for Metabolically
Linked Mechanical Activity in
Mitochondria . . . . . . . . . . . . . . 345
F. R. Turner An Ultrastructural Study of Plant
Spermatogenesis . . . . . . . . . . . . 370
Günter Brittinger and
Rochelle Hirschhorn and
Steven D. Douglas and
Gerald Weissmann Studies on Lysosomes . . . . . . . . . . 394
Rochelle Hirschhorn and
Günter Brittinger and
Kurt Hirschhorn and
Gerald Weissmann Studies on Lysosomes . . . . . . . . . . 412
Adolph I. Cohen New Evidence Supporting the Linkage to
Extracellular Space of Outer Segment
Saccules of Frog Cones But Not Rods . . 424
Paul A. Toselli and
Frank A. Pepe The Fine Structure of the Ventral
Intersegmental Abdominal Muscles of the
Insect Rhodnius Prolixus During the
Molting Cycle . . . . . . . . . . . . . 445
Paul A. Toselli and
Frank A. Pepe The Fine Structure of the Ventral
Intersegmental Abdominal Muscles of the
Insect Rhodnius Prolixus During the
Molting Cycle . . . . . . . . . . . . . 462
Federico Leighton and
Brian Poole and
Henri Beaufay and
Pierre Baudhuin and
John W. Coffey and
Stanley Fowler and
Christian De Duve The Large-Scale Separation of
Peroxisomes, Mitochondria, and Lysosomes
from the Livers of Rats Injected with
Triton Wr-1339 . . . . . . . . . . . . . 482
Everett Anderson Oocyte Differentiation in the Sea
Urchin, \bionameArbacia Punctulata, with
Particular Reference to the Origin of
Cortical Granules and Their
Participation in the Cortical Reaction 514
John W. Everingham Attachment of Intranuclear Annulate
Lamellae to the Nuclear Envelope . . . . 540
John W. Everingham Intranuclear Annulate Lamellae in
Ascidian Embryos . . . . . . . . . . . . 551
Charlotte J. Avers and
Micheline Federman The Occurrence in Yeast of Cytoplasmic
Granules Which Resemble Microbodies . . 555
Barbara Nichols A Membranous Apparatus in a Flagellate,
Tritrichomonas Augusta . . . . . . . . . 559
Sheppard M. Walker and
G. Randolph Schrodt Triads in Skeletal Muscle Fibers of $
19$-Day Fetal Rats . . . . . . . . . . . 564
Joachim R. Sommer and
Edward A. Johnson Purkinje Fibers of the Heart Examined
with the Peroxidase Reaction . . . . . . 570
Gerard M. Lehrer and
Cipora Weiss and
Demetra J. Silides and
Cecile Lichtman and
Moses Furman and
Robert F. Mathewson The Quantitative Histochemistry of
Supramedullary Neurons of Puffer Fishes 575
Hilton H. Mollenhauer and
W. Evans and
Clara Kogut Dictyosome Structure in Euglena Gracilis 579
Henry Slayter and
Yukio Kiho and
Cecil E. Hall and
Alexander Rich An Electron Microscopic Study of Large
Bacterial Polyribosomes . . . . . . . . 583
D. Siew and
S. Klein The Effect of Sodium Chloride on Some
Metabolic and Fine Structural Changes
During the Greening of Etiolated Leaves 590
B. E. S. Gunning and
J. S. Pate and
L. G. Briarty Specialized ``Transfer Cells'' in Minor
Veins of Leaves and Their Possible
Significance in Phloem Translocation . . ??
C. Barros and
L. E. Franklin Behavior of the Gamete Membranes During
Sperm Entry into the Mammalian Egg . . . ??
Monique Milhaud and
George D. Pappas Cilia Formation in the Adult Cat Brain
After Pargyline Treatment . . . . . . . 599
Stephen L. Wolfe The Effect of Prefixation on the
Diameter of Chromosome Fibers Isolated
by the Langmuir Trough-Critical Point
Method . . . . . . . . . . . . . . . . . 610
Stanley Bullivant and
Werner R. Loewenstein Structure of Coupled and Uncoupled Cell
Junctions . . . . . . . . . . . . . . . 621
G. E. Palade and
R. R. Bruns Structural Modulations of Plasmalemmal
Vesicles . . . . . . . . . . . . . . . . 633
Judson D. Sheridan Electrophysiological Evidence for
Low-Resistance Intercellular Junctions
in the Early Chick Embryo . . . . . . . 650
Larry Simpson Effect of Acriflavin on the Kinetoplast
of Leishmania Tarentolae . . . . . . . . 660
John A. Parsons and
Ronald C. Rustad The Distribution of DNA Among Dividing
Mitochondria of \bionameTetrahymena
Pyriformis . . . . . . . . . . . . . . . 683
Jared M. Diamond and
William H. Bossert Functional Consequences of
Ultrastructural Geometry in
``Backwards'' Fluid-Transporting
Epithelia . . . . . . . . . . . . . . . 694
G. C. Priestley and
R. A. Malt Development of the Metanephric Kidney 703
Patricia L. Blanton and
James Martin and
Sol Haberman Pinocytotic Response of Circulating
Erythrocytes to Specific Blood Grouping
Antibodies . . . . . . . . . . . . . . . 716
L. Warren and
M. C. Glick Membranes of Animal Cells . . . . . . . 729
Robert M. Kodama and
Henry Tedeschi Studies on the Permeability of Calf
Thymus Nuclei Isolated in Sucrose . . . 747
Sophie Guttes and
Edmund Guttes Regulation of DNA Replication in the
Nuclei of the Slime Mold
\bionamePhysarum Polycephalum . . . . . 761
Jack Van't Hof Control of Cell Progression Through the
Mitotic Cycle by Carbohydrate Provision 773
Eveline E. Schneeberger-Keeley and
Morris J. Karnovsky The Ultrastructural Basis of
Alveolar-Capillary Membrane Permeability
to Peroxidase Used As a Tracer . . . . . 781
Neil C. R. Merrillees The Nervous Environment of Individual
Smooth Muscle Cells of the Guinea Pig
Vas Deferens . . . . . . . . . . . . . . 794
R. D. Smith and
F. Deinhardt Unique Cytoplasmic Membranes in Rous
Sarcoma Virus-Induced Tumors of a
Subhuman Primate . . . . . . . . . . . . 819
S. Goldhor Protein: Lipid Ratios of Liver
Mitochondria During Development . . . . 823
Richard D. Allen A Reinvestigation of Cross-Sections of
Cilia . . . . . . . . . . . . . . . . . 825
Robert H. Holdsworth The Presence of a Crystalline Matrix in
Pyrenoids of the Diatom, Achnanthes
Brevipes . . . . . . . . . . . . . . . . 831
Arnold M. Seligman and
Morris J. Karnovsky and
Hannah L. Wasserkrug and
Jacob S. Hanker Nondroplet Ultrastructural Demonstration
of Cytochrome Oxidase Activity with a
Polymerizing Osmiophilic Reagent,
Diaminobenzidine (Dab) . . . . . . . . . 1
E. L. Benedetti and
P. Emmelot Hexagonal Array of Subunits in Tight
Junctions Separated from Isolated Rat
Liver Plasma Membranes . . . . . . . . . 15
James Cronshaw and
Katherine Esau P Protein in the Phloem of Cucurbita . . 25
Vivianne T. Nachmias Further Electron Microscope Studies on
Fibrillar Organization of the Ground
Cytoplasm of Chaos Chaos . . . . . . . . 40
Harunori Ishikawa Formation of Elaborate Networks of
T-System Tubules in Cultured Skeletal
Muscle with Special Reference to the
T-System Formation . . . . . . . . . . . 51
Joseph T. Bagnara and
John D. Taylor and
Mac E. Hadley The Dermal Chromatophore Unit . . . . . 67
A. E. Vatter and
O. K. Reiss and
Joyce K. Newman and
Karin Lindquist and
Elly Groeneboer Enzymes of the Lung . . . . . . . . . . 80
Nancy A. Staley and
Ellis S. Benson The Ultrastructure of Frog Ventricular
Cardiac Muscle and Its Relationship to
Mechanisms of Excitation-Contraction
Coupling . . . . . . . . . . . . . . . . 99
Philip W. Brandt and
John P. Reuben and
Harry Grundfest Correlated Morphological and
Physiological Studies on Isolated Single
Muscle Fibers . . . . . . . . . . . . . 115
Jean-Claude Wanson and
Pierre Drochmans Rabbit Skeletal Muscle Glycogen . . . . 130
N. Steele Scott and
Vinod C. Shah and
Robert M. Smillie Synthesis of Chloroplast DNA in Isolated
Chloroplasts . . . . . . . . . . . . . . 151
Carl Schnaitman and
John W. Greenawalt Enzymatic Properties of the Inner and
Outer Membranes of Rat Liver
Mitochondria . . . . . . . . . . . . . . 158
María Teresa Sabatini and
Reinaldo Dipolo and
Raimundo Villegas Adenosine Triphosphatase Activity in the
Membranes of the Squid Nerve Fiber . . . 176
C. E. Devine and
F. O. Simpson Localization of Tritiated Norepinephrine
in Vascular Sympathetic Axons of the Rat
Intestine and Mesentery by Electron
Microscope Radioautography . . . . . . . 184
Sanford L. Palay and
Constantino Sotelo and
Alan Peters and
Paula M. Orkand The Axon Hillock and the Initial Segment 193
Gustav G. Knappeis and
Frits Carlsen The Ultrastructure of the M Line in
Skeletal Muscle . . . . . . . . . . . . 202
T. Samorajski and
J. M. Ordy and
W. Zeman and
H. J. Curtis Early and Long-Term Effects of Deuteron
Irradiation on Cells in the Cerebellum
of Adult Mice . . . . . . . . . . . . . 213
Meredith C. Gould Completion of the First Meiotic Division
After Fertilization in Urechis Caupo
Eggs Despite Inhibition of Protein
Synthesis . . . . . . . . . . . . . . . 220
H. Wisniewski and
M. L. Shelanski and
R. D. Terry Effects of Mitotic Spindle Inhibitors on
Neurotubules and Neurofilaments in
Anterior Horn Cells . . . . . . . . . . 224
Bojan Flaks Unusual Aspects of Ultrastructural
Differentiation in Rat Hepatoma Cells 230
Ann B. Jacobson A Procedure for Isolation of Proplastids
from Etiolated Maize Leaves . . . . . . 238
Barbara A. Ehrenreich and
Zanvil A. Cohn Fate of Hemoglobin Pincytosed by
Macrophages in Vitro . . . . . . . . . . 244
P. A. Cancilla Demonstration of the Langerhans Granule
by Lanthanum . . . . . . . . . . . . . . 248
Robert J. Buschmann and
A. B. Taylor Extraction of Absorbed Lipid (Linoleic
Acid-1-$^{14}$ C) from Rat Intestinal
Epithelium During Processing for
Electron Microscopy . . . . . . . . . . 252
Gustav Dallner and
Anders Bergstrand and
Robert Nilsson Heterogeneity of Rough-Surfaced Liver
Microsomal Membranes of Adult,
Phenobarbital-Treated, and Newborn Rats 257
D. K. Jasper and
J. R. Bronk Studies on the Physiological and
Structural Characteristics of Rat
Intestinal Mucosa . . . . . . . . . . . 277
James Cronshaw and
Katherine Esau P Protein in the Phloem of Cucurbita . . 292
Michael L. Shelanski and
Edwin W. Taylor Properties of the Protein Subunit of
Central-Pair and Outer-Doublet
Microtubules of Sea Urchin Flagella . . 304
M. Weintraub and
H. W. J. Ragetli Intracellular Characterization of Bean
Yellow Mosaic Virus-Induced Inclusions
by Differential Enzyme Digestion . . . . 316
Bernard Tandler and
David L. Williamson and
Lee Ehrman Unusual Filamentous Structures in the
Paragonia of Male \bionameDrosophila . . 329
Walther Stoeckenius and
Wolf H. Kunau Further Characterization of Particulate
Fractions from Lysed Cell Envelopes of
Halobacterium Halobium and Isolation of
Gas Vacuole Membranes . . . . . . . . . 337
Allen L. Horwitz and
Albert Dorfman Subcelluar Sites for Synthesis of
Chondromucoprotein of Cartilage . . . . 358
James B. Boyd and
Hans D. Berendes and
Hudson Boyd Mass Preparation of Nuclei from the
Larval Salivary Glands of
\bionameDrosophila Hydei . . . . . . . . 369
Martha E. Fedorko and
James G. Hirsch and
Zanvil A. Cohn Autophagic Vacuoles Produced in Vitro 377
Martha E. Fedorko and
James G. Hirsch and
Zanvil A. Cohn Autophagic Vacuoles Produced in Vitro 392
Ursula G. Johnson and
Keith R. Porter Fine Structure of Cell Division in
Chlamydomonas Reinhardi . . . . . . . . 403
James W. MacInnes and
Robert B. Uretz DNA Organization in the Mature Sperm of
Several Orthoptera by the Method of
Polarized Fluorescence Microscopy . . . 426
Peter K. Hepler and
William T. Jackson Microtubules and Early Stages of
Cell-Plate Formation in the Endosperm of
Haemanthus Katherinae Baker . . . . . . 437
Jane Overton Localized Lanthanum Staining of the
Intestinal Brush Border . . . . . . . . 447
L. Gibb and
E. R. M. Kay Incorporation of DNA by Cells of the
Ehrlich-LettrÉ Ascites Carcinoma . . . . 452
A. C. Esterhuizen and
T. L. B. Spriggs and
J. D. Lever Axon Beadings in Autonomic Cholinergic
Nerves . . . . . . . . . . . . . . . . . 454
Frank Wunderlich and
Werner W. Franke Structure of Macronuclear Envelopes of
\bionameTetrahymena Pyriformis in the
Stationary Phase of Growth . . . . . . . 458
L. Orci and
A. Junod and
R. Pictet and
A. E. Renold and
C. Rouiller Granulolysis in a Cells of Endocrine
Pancreas in Spontaneous and Experimental
Diabetes in Animals . . . . . . . . . . 462
W. B. Amos and
A. V. Grimstone Intercisternal Material in the Golgi
Body of Trichomonas . . . . . . . . . . 466
Fred R. Rickson Nuclear and Cytoplasmic Tubules in
Cortical Cells of Leaf Beltian Bodies 471
Bozidar Djordjevic and
Jae Ho Kim Different Lethal Effects of Mitomycin C
and Actinomycin D During the Division
Cycle of HeLa Cells . . . . . . . . . . 477
Sverker Eneström and
Anders Hamberger Respiration and Mitochondrial Content in
Single Neurons of the Supraoptic Nucleus 483
Bruce S. McEwen and
Bernice Grafstein Fast and Slow Components in Axonal
Transport of Protein . . . . . . . . . . 494
S. T. Takats Radioautographic Localization of
Deoxythymidine Triphosphate in
\bionameTradescantia Pollen Grains
During DNA Synthesis . . . . . . . . . . 509
Steven E. Kornguth and
Lawrence G. Tomasi Changes in the Distribution of a Histone
in Dorsal Root Ganglion Neurons During
Development . . . . . . . . . . . . . . 515
George W. Cooper and
Darwin J. Prockop Intracellular Accumulation of
Protocollagen and Extrusion of Collagen
by Embryonic Cartilage Cells . . . . . . 523
H. Ishikawa and
R. Bischoff and
H. Holtzer Mitosis and Intermediate-Sized Filaments
in Developing Skeletal Muscle . . . . . 538
A. Jamakosmanovi\'c and
W. R. Loewenstein Intercellular Communication and Tissue
Growth . . . . . . . . . . . . . . . . . 556
Edward Koenig A Method for Determining Total Protein
of Isolated Cellular Elements and
Corresponding Tritium Radioactivity . . 562
Yutaka Tashiro and
Takashi Morimoto and
Shiro Matsuura and
Sunao Nagata Studies on the Posterior Silk Gland of
the Silkworm, Bombyx Mori . . . . . . . 574
Shiro Matsuura and
Takashi Morimoto and
Sunao Nagata and
Yutaka Tashiro Studies on the Posterior Silk Gland of
the Silkworm, Bombyx Mori . . . . . . . 589
Takashi Morimoto and
Shiro Matsuura and
Sunao Nagata and
Yutaka Tashiro Studies on the Posterior Silk Gland of
the Silkworm, Bombyx Mori . . . . . . . 604
James G. Hirsch and
Martha E. Fedorko Ultrastructure of Human Leukocytes After
Simultaneous Fixation with
Glutaraldehyde and Osmium Tetroxide and
``Postfixation'' in Uranyl Acetate . . . 615
James G. Hirsch and
Martha E. Fedorko and
Zanvil A. Cohn Vesicle Fusion and Formation at the
Surface of Pinocytic Vacuoles in
Macrophages . . . . . . . . . . . . . . 629
Robert L. Schultz and
Norman M. Case Microtubule Loss with Acrolein and
Bicarbonate-Containing Fixatives . . . . 633
Asao Hirano A Confirmation of the Oligodendroglial
Origin of Myelin in the Adult Rat . . . 637
H. Uno and
K. Adachi and
F. Hu Enzyme Activities of the Epithelial
Outgrowth of the Hair Follicles in
Tissue Culture . . . . . . . . . . . . . 640
R. G. Kessel and
W. R. Panje Organization and Activity in the Pre-
and Postovulatory Follicle of Necturus
Maculosus . . . . . . . . . . . . . . . 1
Eldon H. Newcomb and
Martin W. Steer and
Peter K. Hepler and
William P. Wergin An Atypical Crista Resembling a ``Tight
Junction'' in Bean Root Mitochondria . . 35
Victor J. Matukas and
George A. Krikos Evidence for Changes in Protein
Polysaccharide Associated with the Onset
of Calcification in Cartilage . . . . . 43
Carl M. Feldherr Nucleocytoplasmic Exchanges During Early
Interphase . . . . . . . . . . . . . . . 49
Richard S. Thomas and
John W. Greenawalt Microincineration, Electron Microscopy,
and Electron Diffraction of Calcium
Phosphate-Loaded Mitochondria . . . . . 55
Peter Satir Studies on Cilia . . . . . . . . . . . . 77
Blair Bowers and
Edward D. Korn The Fine Structure of
\bionameAcanthamoeba Castellanii . . . . 95
R. Soeiro and
M. H. Vaughan and
J. R. Warner and
J. E. Darnell The Turnover of Nuclear DNA-Like RNA in
HeLa Cells . . . . . . . . . . . . . . . 112
W. Eugene Foor Zygote Formation in Ascaris Lumbricoides
(Nematoda) . . . . . . . . . . . . . . . 119
George Odland and
Russell Ross Human Wound Repair . . . . . . . . . . . 135
Russell Ross and
George Odland Human Wound Repair . . . . . . . . . . . 152
Richard W. Young and
Bernard Droz The Renewal of Protein in Retinal Rods
and Cones . . . . . . . . . . . . . . . 169
Yechezkiel Stein and
Christopher Widnell and
Olga Stein Acylation of Lysophosphatides by Plasma
Membrane Fractions of Rat Liver . . . . 185
D. W. Stanley and
H. O. Hultin Mechanism of Emptying of Skeletal Muscle
Cell Segments . . . . . . . . . . . . . ??
K. Cheng-Minoda and
J. Davidowitz and
A. Liebowitz and
G. M. Breinin Fine Structure of Extraocular Muscle in
Rabbit . . . . . . . . . . . . . . . . . 193
R. J. Podolsky Deposit Formation in Muscle Fibers
Following Contraction in the Presence of
Lead . . . . . . . . . . . . . . . . . . 197
Donald Orlic The Use Of$^{55}$ Fe in High-Resolution
Radioautography of Developing Red Cells 201
Barry Friedman and
Pierre Blais and
Patricia Shaffer Fine Structure of Millipore Filters . . 208
Awtar Krishan and
Dora Hsu and
Patricia Hutchins Hypertrophy of Granular Endoplasmic
Reticulum and Annulate Lamellae in
Earle's L Cells Exposed to Vinblastine
Sulfate . . . . . . . . . . . . . . . . 211
S. S. Spicer and
J. H. Hardin and
W. B. Greene Nuclear Precipitates in
Pyroantimonate-Osmium Tetroxide-Fixed
Tissues . . . . . . . . . . . . . . . . 216
David R. Wolstenholme and
Igor B. Dawid A Size Difference Between Mitochondrial
DNA Molecules of Urodele and Anuran
Amphibia . . . . . . . . . . . . . . . . 222
Jiro Matsumoto and
Masataka Obika Morphological and Biochemical
Characterization of Goldfish
Erythrophores and Their Pterinosomes . . 233
N. Nanninga Structural Features of Mesosomes
(Chondrioids) of Bacillus Subtilis After
Freeze-Etching . . . . . . . . . . . . . 251
Catharine P. Fussell Cytoplasmic Label Following Tritiated
Thymidine Treatment of \bionameAllium
Cepa L. Roots . . . . . . . . . . . . . 264
Dorothy Ford Bainton and
Marilyn G. Farquhar Differences in Enzyme Content of
Azurophil and Specific Granules of
Polymorphonuclear Leukocytes . . . . . . 286
Dorothy Ford Bainton and
Marilyn G. Farquhar Differences in Enzyme Content of
Azurophil and Specific Granules of
Polymorphonuclear Leukocytes . . . . . . 299
Paul R. Burton and
Donald G. Dusanic Fine Structure and Replication of the
Kinetoplast of Trypanosoma Lewisi . . . 318
P. L. Webster and
D. Davidson Evidence from Thymidine-$^3$ H-Labeled
Meristems of \bionameVicia Faba of Two
Cell Populations . . . . . . . . . . . . 332
Frank J. Longo and
Everett Anderson The Fine Structure of Pronuclear
Development and Fusion in the Sea
Urchin, \bionameArbacia Punctulata . . . 339
Renée Charret and
Jean André La Synth\`ESe De L'Adn Mitochondrial
Chez \bionameTetrahymena Pyriformis . . 369
L. Packer and
J. M. Wrigglesworth and
P. A. G. Fortes and
B. C. Pressman Expansion of the Inner Membrane
Compartment and Its Relation to
Mitochondrial Volume and Ion Transport 382
Haim Ginsburg and
David Lagunoff Aggregation and Transformation of Rat
Lymphocytes on Rat Embryo Monolayers . . 392
David Prescott and
Lester Goldstein Proteins in Nucleocytoplasmic
Interactions . . . . . . . . . . . . . . 404
E. F. Howard and
W. Plaut Chromosomal DNA Synthesis in
\bionameDrosophila Melanogaster . . . . 415
George G. Rose and
M. Kumegawa and
M. Cattoni The Circumfusion System for Multipurpose
Culture Chambers . . . . . . . . . . . . 430
Brenda Eisenberg and
Robert S. Eisenberg Selective Disruption of the Sarcotubular
System in Frog Sartorius Muscle . . . . 451
Sheppard M. Walker and
G. Randolph Schrodt and
Maxine Bingham Electron Microscope Study of the
Sarcoplasmic Reticulum at the Z Line
Level in Skeletal Muscle Fibers of Fetal
and Newborn Rats . . . . . . . . . . . . 469
T. Hando and
D. M. Okada and
L. Zamboni Atypical Cilia in Human Endometrium . . 475
Charles B. Metz and
M. Virginia Cone and
Jeanne Bryant Effect of Proteolytic Enzymes on the
Ultrastructure of Antibody-Treated Sea
Urchin Eggs . . . . . . . . . . . . . . 481
Peddrick Weis Confronting Subsurface Cisternae in
Chick Embryo Spinal Ganglia . . . . . . 485
Dianne Fristrom Cellular Degeneration in Wing
Development of the Mutant Vestigial of
\bionameDrosophila Melanogaster . . . . 488
E. L. Rodriguez Echandia and
R. S. Piezzi Microtubules in the Nerve Fibers of the
Toad Bufo Arenarum Hensel . . . . . . . 491
J. A. Beaulaton Modifications Ultrastructurales Des
Cellules SÉCrÉTrices De La Glande
Prothoracique De Vers \`A Soie Au Cours
Des Deux Derniers ÂGes Larvaires . . . . 501
Kathryn V. Holmes and
Purnell W. Choppin On the Role of Microtubules in Movement
and Alignment of Nuclei in Virus-Induced
Syncytia . . . . . . . . . . . . . . . . 526
Robert H. Warren The Effect of Colchicine on Myogenesis
in Vivo in Rana Pipiens and Rhodnius
Prolixus (Hemiptera) . . . . . . . . . . 544
G. E. Stone Synchronized Cell Division in
\bionameTetrahymena Pyriformis Following
Inhibition with Vinblastine . . . . . . 556
S. L. Wissig and
D. O. Graney Membrane Modifications in the Apical
Endocytic Complex of Ileal Epithelial
Cells . . . . . . . . . . . . . . . . . 564
James D. Jamieson and
George E. Palade Intracellular Transport of Secretory
Proteins in the Pancreatic Exocrine Cell 580
James D. Jamieson and
George E. Palade Intracellular Transport of Secretory
Proteins in the Pancreatic Exocrine Cell 589
Alan Peters and
Charmian C. Proskauer and
Ita R. Kaiserman-Abramof The Small Pyramidal Neuron of the Rat
Cerebral Cortex . . . . . . . . . . . . 604
N. Ikemoto and
S. Kitagawa and
A. Nakamura and
J. Gergely Electron Microscopic Investigations of
Actomyosin As a Function of Ionic
Strength . . . . . . . . . . . . . . . . 620
K. Tokuyasu and
S. C. Madden and
L. J. Zeldis Fine Structural Alterations of
Interphase Nuclei of Lymphocytes
Stimulated to Growth Activity in Vitro 630
Frank D. Vasington and
John W. Greenawalt Osmotically Lysed Rat Liver Mitocondria 661
Gilbert Vaes On the Mechanisms of Bone Resorption . . 676
H. W. Israel and
M. M. Salpeter and
F. C. Steward The Incorporation of Radioactive Proline
into Cultured Cells . . . . . . . . . . 698
Sin Hang Lee and
Richard M. Torack Electron Microscope Studies of Glutamic
Oxalacetic Transaminase in Rat Liver
Cell . . . . . . . . . . . . . . . . . . 716
Sin Hang Lee and
Richard M. Torack A Biochemical and Histochemical Study of
Glutamic Oxalacetic Transaminase
Activity of Rat Hepatic Mitochondria
Fixed in Situ and in Vitro . . . . . . . 725
William H. Dobelle and
Michael Beer Chemically Cleaved Graphite Support
Films for Electron Microscopy . . . . . 733
R. G. Kessel and
H. W. Beams Intranucleolar Membranes and
Nuclear-Cytoplasmic Exchange in Young
Crayfish Oocytes . . . . . . . . . . . . 735
Yoshiaki Nonomura Myofilaments in Smooth Muscle of Guinea
Pig's \bionameTaenia Coli . . . . . . . 741
Donald B. Fisher Localization of Endogenous RNA
Polymerase Activity in Frozen Sections
of Plant Tissues . . . . . . . . . . . . 745
Masamichi Aikawa and
Richard L. Beaudoin Studies on Nuclear Division of a
Malarial Parasite Under Pyrimethamine
Treatment . . . . . . . . . . . . . . . 749
Magdalena Reissig and
Anthony V. Colucci Localization of Glycogen in the Cestode,
Hymenolepis Diminuta . . . . . . . . . . 754
Donald R. DiBona and
Mortimer M. Civan and
Alexander Leaf The Anatomic Site of the Transepithelial
Permeability Barriers of Toad Bladder 1
Peter O. Kohler and
Philip M. Grimley and
Bert W. O'malley Estrogen-Induced Cytodifferentiation of
the Ovalbumin-Secreting Glands of the
Chick Oviduct . . . . . . . . . . . . . 8
David M. Phillips Exceptions to the Prevailing Pattern of
Tubules (9 + 9 + 2) in the Sperm
Flagella of Certain Insect Species . . . 28
Scott E. Dietert and
Terence J. Scallen An Ultrastructural and Biochemical Study
of the Effects of Three Inhibitors of
Cholesterol Biosynthesis Upon Murine
Adrenal Gland and Testis . . . . . . . . 44
D. Doyle and
H. Laufer Sources of Larval Salivary Gland
Secretion in the Dipteran Chironomus
Tentans . . . . . . . . . . . . . . . . 61
Ruth Ellen Bulger Use of Potassium Pyroantimonate in the
Localization of Sodium Ions in Rat
Kidney Tissue . . . . . . . . . . . . . 79
Klaus G. Bensch and
Stephen E. Malawista Microtubular Crystals in Mammalian Cells 95
Joe L. Griffin and
Marvin N. Stein and
Robert E. Stowell Laser Microscope Irradiation of
\bionamePhysarum Polycephalum: Dynamic
and Ultrastructural Effects . . . . . . 108
James R. Aist The Mitotic Apparatus in Fungi,
Ceratocystis Fagacearum and Fusarium
Oxysporum . . . . . . . . . . . . . . . 120
Jane Overton A Fibrillar Intercellular Material
Between Reaggregating Embryonic Chick
Cells . . . . . . . . . . . . . . . . . 136
Howard T. Bonnett Cortical Cell Death During Lateral Root
Formation . . . . . . . . . . . . . . . 144
Vivianne T. Nachmias Studies on Streaming . . . . . . . . . . 160
Marvin H. Stromer and
D. J. Hartshorne and
Helmut Mueller and
Robert V. Rice The Effect of Various Protein Fractions
on Z- and M-Line Reconstitution . . . . 167
Akio Ito and
Ryo Sato Proteolytic Microdissection of
Smooth-Surfaced Vesicles of Liver
Microsomes . . . . . . . . . . . . . . . 179
Walter J. Hendelman and
Richard P. Bunge Radioautographic Studies of Choline
Incorporation into Peripheral Nerve
Myelin . . . . . . . . . . . . . . . . . 190
J. A. Piper and
N. W. Klein The Differential Sensitivity of Cultured
Chick Mesodermal Cells to Actinomycin D 209
Robert H. Michell and
Samuel J. Pancake and
John Noseworthy and
Manfred L. Karnovsky Measurement of Rates of Phagocytosis . . 216
Joseph T. Tesar and
Harold Koenig and
Charles Hughes Hormone Storage Granules in the Beef
Anterior Pituitary . . . . . . . . . . . 225
U. Ingrid Richardson and
Armen H. Tashjian and
Lawrence Levine Establishment of a Clonal Strain of
Hepatoma Cells Which Secrete Albumin . . 236
Stephanie Gordon Phillips and
David M. Phillips Sites of Nucleolus Production in
Cultured Chinese Hamster Cells . . . . . 248
Ivonne Pasquali-Ronchetti The Organization of the Sarcoplasmic
Reticulum and T System in the Femoral
Muscle of the Housefly, \bionameMusca
Domestica . . . . . . . . . . . . . . . 269
Peter B. Moens The Fine Structure of Meiotic Chromosome
Pairing in the Triploid, \bionameLilium
Tigrinum . . . . . . . . . . . . . . . . 273
Jerome J. Wolken and
Robert G. Florida The Eye Structure and Optical System of
the Crustacean Copepod, Copilia . . . . 279
Nancy J. Lane Intranuclear Fibrillar Bodies in
Actinomycin D-Treated Oocytes . . . . . 286
M. J. Griffin and
R. Ber Cell Cycle Events in the Hydrocortisone
Regulation of Alkaline Phosphatase in
HeLa S$_3$ Cells . . . . . . . . . . . . 297
Stephen A. Ernst and
Richard A. Ellis The Development of Surface
Specialization in the Secretory
Epithelium of the Avian Salt Gland in
Response to Osmotic Stress . . . . . . . 305
Shuichi Karasaki The Fine Structure of Proliferating
Cells in Preneoplastic Rat Livers During
Azo-Dye Carcinogenesis . . . . . . . . . 322
Gertrude W. Hinsch and
M. Virginia Cone Ultrastructural Observations of
Vitellogenesis in the Spider Crab,
\bionameLibinia Emarginata L . . . . . . 336
Richard A. Rifkind and
David Chui and
Hazel Epler An Ultrastructural Study of Early
Morphogenetic Events During the
Establishment of Fetal Hepatic
Erythropoiesis . . . . . . . . . . . . . 343
Russell Ross and
Paul Bornstein The Elastic Fiber . . . . . . . . . . . 366
Jen Yeh and
Harold W. Fisher A Diffusible Factor Which Sustains
Contact Inhibition of Replication . . . 382
Alan E. Organ and
Eugene C. Bovee and
Theodore L. Jahn The Mechanism of the Nephridial
Apparatus of Paramecium
Multimicronucleatum . . . . . . . . . . 389
A. Rambourg and
W. Hernandez and
C. P. Leblond Detection of Complex Carbohydrates in
the Golgi Apparatus of Rat Cells . . . . 395
Joel L. Rosenbaum and
Kathryn Carlson Cilia Regeneration in
\bionameTetrahymena and Its Inhibition
by Colchicine . . . . . . . . . . . . . 415
Jean Ross and
W. Gerald Robison Unusual Microtubular Patterns and
Three-Dimensional Movement of Mealybug
Sperm and Sperm Bundles . . . . . . . . 426
G. Benjamin Bouck Extracellular Microtubules . . . . . . . 446
Olga Stein and
Yechezkiel Stein Lecithin Synthesis, Intracellular
Transport, and Secretion in Rat Liver 461
Charles E. Holt and
Elizabeth G. Gurney Minor Components of the DNA of
\bionamePhysarum Polycephalum . . . . . 484
L. D. Hodge and
E. Robbins and
M. D. Scharff Persistence of Messenger RNA Through
Mitosis in HeLa Cells . . . . . . . . . 497
Donna F. Kubai and
Hans Ris Division in the Dinoflagellate
Gyrodinium Cohnii (Schiller) . . . . . . 508
Marco Baggiolini and
James G. Hirsch and
Christian de Duve Resolution of Granules from Rabbit
Heterophil Leukocytes into Distinct
Populations by Zonal Sedimentation . . . 529
Peter B. Moens Multiple Core Complexes in Grasshopper
Spermatocytes and Spermatids . . . . . . 542
Charles P. Miles and
Frank O'Neill $^3$H Labeling Patterns of Permanent
Cell Line Chromosomes Showing
Pulverization Or Accentuated Secondary
Constrictions . . . . . . . . . . . . . 553
Paul F. Parakkal Ultrastructural Changes of the Basal
Lamina During the Hair Growth Cycle . . 561
Ivonne Pasquali-Ronchetti and
John W. Greenawalt and
Ernesto Carafoli On the Nature of the Dense Matrix
Granules of Normal Mitochondria . . . . 565
M. Reznik Thymidine-$^3$H Uptake by Satellite
Cells of Regenerating Skeletal Muscle 568
Beatriz G. T. Pogo The Effect of N-Acetyl-D-Galactosamine
and Amantadine Hydrochloride on Equine
Lymphocytes Stimulated with
Phytohemagglutinin . . . . . . . . . . . 571
Dieter Ammermann Release of DNA Breakdown Products into
the Culture Medium of Stylonychia
Mytilus Exconjugants (Protozoa, Ciliata)
During the Destruction of the Polytene
Chromosomes . . . . . . . . . . . . . . 576
Arnaldo Lasansky Basal Junctions at Synaptic Endings of
Turtle Visual Cells . . . . . . . . . . 577
J. Groniowski and
W. Biczyskowa and
M. Walski Electron Microscope Studies on the
Surface Coat of the Nephron . . . . . . 585
Umberto Muscatello and
Ernesto Carafoli The Oxidation of Exogenous and
Endogenous Cytochrome C in Mitochondria 602
Nessly Craig and
Lester Goldstein Studies on the Origin of Ribosomes in
Amoeba Proteus . . . . . . . . . . . . . 622
A. Lord and
J.-G. Lafontaine The Organization of the Nucleolus in
Meristematic Plant Cells . . . . . . . . 633
M. W. Brightman and
T. S. Reese Junctions Between Intimately Apposed
Cell Membranes in the Vertebrate Brain 648
Elliott Robbins and
Gisela Jentzsch Ultrastructural Changes in the Mitotic
Apparatus at the Metaphase-To-Anaphase
Transition . . . . . . . . . . . . . . . 678
W. G. Forssmann and
L. Orci and
R. Pictet and
A. E. Renold and
C. Rouiller The Endocrine Cells in the Epithelium of
the Gastrointestinal Mucosa of the Rat 692
Richard D. Allen The Morphogenesis of Basal Bodies and
Accessory Structures of the Cortex of
the Ciliated Protozoan
\bionameTetrahymena Pyriformis . . . . . 716
Donald Svoboda and
Daniel Azarnoff and
Janardan Reddy Microbodies in Experimentally Altered
Cells . . . . . . . . . . . . . . . . . 734
Jacques Padawer Uptake of Colloidal Thorium Dioxide by
Mast Cells . . . . . . . . . . . . . . . 747
Lloyd Silverman and
David Glick The Reactivity and Staining of Tissue
Proteins with Phosphotungstic Acid . . . 761
Lloyd Silverman and
Berit Schreiner and
David Glick Measurement of Thickness Within Sections
by Quantitative Electron Microscopy . . 768
Lloyd Silverman and
David Glick Measurement of Protein Concentration by
Quantitative Electron Microscopy . . . . 773
Linda A. Hufnagel Cortical Ultrastructure of Paramecium
Aurelia . . . . . . . . . . . . . . . . 779
Terence J. Scallen and
Scott E. Dietert The Quantitative Retention of
Cholesterol in Mouse Liver Prepared for
Electron Microscopy by Fixation in a
Digitonin-Containing Aldehyde Solution 802
G. A. de Zoeten and
G. Gaard Possibilities for Inter- and
Intracellular Translocation of Some
Icosahedral Plant Viruses . . . . . . . 814
Alain Perrelet and
Fritz Baumann Evidence for Extracellular Space in the
Rhabdome of the Honeybee Drone Eye . . . 825
Kimie Fukuyama and
William L. Epstein Sulfur-Containing Proteins and Epidermal
Keratinization . . . . . . . . . . . . . 830
Ernest Feleppa Holographic, Motion-Induced-Contrast
Images . . . . . . . . . . . . . . . . . 838
Günter Brittinger and
Rochelle Hirschhorn and
Kurt Hirschhorn and
Gerald Weissmann Effect of Pokeweed Mitogen (Pwm) on
Lymphocyte Lysosomes . . . . . . . . . . 843
J. L. Pauly and
G. A. Caron and
R. R. Suskind Blast Transformation of Lymphocytes from
Guinea Pigs, Rats, and Rabbits Induced
by Mercuric Chloride in Vitro . . . . . 847
Richard L. McCarl and
Robert C. Shaler The Effects of Actinomycin D on Protein
Synthesis and Beating in Cultured Rat
Heart Cells . . . . . . . . . . . . . . 850
H. J. Wilson Arms and Bridges on Microtubules in the
Mitotic Apparatus . . . . . . . . . . . 854
Peter A. Nickerson and
Joseph C. Curtis Concentric Whorls of Rough Endoplasmic
Reticulum in Adrenocortical Cells of the
Mongolian Gerbil . . . . . . . . . . . . 859
Eric Holtzman and
Edith R. Peterson Uptake of Protein by Mammalian Neurons 863
Carolyn D. Mitchell Preservation of the Lipids of the Human
Erythrocyte Stroma During Fixation and
Dehydration for Electron Microscopy . . 869
M. M. Salpeter and
L. Bachmann and
E. E. Salpeter Resolution in Electron Microscope
Radioautography . . . . . . . . . . . . 1
G. C. Budd and
M. M. Salpeter The Distribution of Labeled
Norepinephrine Within Sympathetic Nerve
Terminals Studied with Electron
Microscope Radioautography . . . . . . . 21
F. Clementi and
G. E. Palade Intestinal Capillaries . . . . . . . . . 33
H. Clarke Anderson Vesicles Associated with Calcification
in the Matrix of Epiphyseal Cartilage 59
J. G. Abuelo and
Dorothy E. Moore The Human Chromosome . . . . . . . . . . 73
Carlos J. Tandler and
Alberto J. Solari Nucleolar Orthophosphate Ions . . . . . 91
R. M. Brown Observations on the Relationship of the
Golgi Apparatus to Wall Formation in the
Marine Chrysophycean Alga, Pleurochrysis
Scherffelii Pringsheim . . . . . . . . . 109
C. S. Song and
W. Rubin and
A. B. Rifkind and
A. Kappas Plasma Membranes of the Rat Liver . . . 124
R. E. Kane and
R. E. Stephens A Comparative Study of the Isolation of
the Cortex and the Role of the
Calcium-Insoluble Protein in Several
Species of Sea Urchin Egg . . . . . . . 133
David W. Rooney and
John J. Eiler Effects of Division-Synchronizing
Hypoxic and Hyperthermic Shocks Upon
\bionameTetrahymena Respiration and
Intracellular ATP Concentration . . . . 145
S. L. Howell and
C. J. Fink and
P. E. Lacy Isolation and Properties of Secretory
Granules from Rat Islets of Langerhans 154
Marie H. Greider and
S. L. Howell and
P. E. Lacy Isolation and Properties of Secretory
Granules from Rat Islets of Langerhans 162
S. L. Howell and
D. A. Young and
P. E. Lacy Isolation and Properties of Secretory
Granules from Rat Islets of Langerhans 167
Margherita Willems and
Maria Penman and
Sheldon Penman The Regulation of RNA Synthesis and
Processing in the Nucleolus During
Inhibition of Protein Synthesis . . . . 177
Richard Bischoff and
Howard Holtzer Mitosis and the Processes of
Differentiation of Myogenic Cells in
Vitro . . . . . . . . . . . . . . . . . 188
John R. Gibbins and
Lewis G. Tilney and
Keith R. Porter Microtubules in the Formation and
Development of the Primary Mesenchyme in
\bionameArbacia Punctulata . . . . . . . 201
Lewis G. Tilney and
John R. Gibbins Microtubules in the Formation and
Development of the Primary Mesenchyme in
\bionameArbacia Punctulata . . . . . . . 227
W. David Troughton and
Jerry S. Trier Paneth and Goblet Cell Renewal in Mouse
Duodenal Crypts . . . . . . . . . . . . 251
Daniel S. Friend Cytochemical Staining of Multivesicular
Body and Golgi Vesicles . . . . . . . . 269
Hisashi Shinozuka and
Emmanuel Farber Reformation of Nucleoli After
Ethione-Induced Fragmentation in the
Absence of Significant Protein Synthesis 280
J. L. S. Cobb and
Terence Bennett A Study of Nexuses in Visceral Smooth
Muscle . . . . . . . . . . . . . . . . . 287
Tom Elsdale and
Robert Foley Morphogenetic Aspects of Multilayering
in Petri Dish Cultures of Human Fetal
Lung Fibroblasts . . . . . . . . . . . . 298
John F. Thomson and
Duane A. Habeck and
Sharron L. Nance and
Karen L. Beetham Ultrastructural and Biochemical Changes
in Brown Fat in Cold-Exposed Rats . . . 312
Noel T. Florendo Ribosome Substructure in Intact Mouse
Liver Cells . . . . . . . . . . . . . . 335
J. Ramus Dimorphic Pit Connections in the Red
Alga Pseudogloiophloea . . . . . . . . . 340
Paul F. Parakkal Involvement of Macrophages in Collagen
Resorption . . . . . . . . . . . . . . . 345
Peter R. Dallman and
Gustav Dallner and
Anders Bergstrand and
Lars Ernster Heterogeneous Distribution of Enzymes in
Submicrosomal Membrane Fragments . . . . 357
Charles W. Boone and
Lincoln E. Ford and
Howard E. Bond and
Donald C. Stuart and
Dianne Lorenz Isolation of Plasma Membrane Fragments
from HeLa Cells . . . . . . . . . . . . 378
R. A. Goyer and
R. Krall Ultrastructural Transformation in
Mitochondria Isolated from Kidneys of
Normal and Lead-Intoxicated Rats . . . . 393
Marianne J. Legato and
Glenn A. Langer The Subcellular Localization of Calcium
Ion in Mammalian Myocardium . . . . . . 401
Yasukazu Tanaka Effect of the Ruby Laser Microbeam on
Mitochondria of Kb Cells Supravitally
Stained by Pinacyanol . . . . . . . . . 424
Edgar F. Carell Studies on Chloroplast Development and
Replication in Euglena . . . . . . . . . 431
Kin-Ichi Ohkawa and
Molly T. Vogt and
Emmanuel Farber Unusually High Mitochondrial Alpha
Glycerophosphate Dehydrogenase Activity
in Rat Brown Adipose Tissue . . . . . . 441
David Brandes and
Elsa Anton An Electron Microscopic Cytochemical
Study of Macrophages During Uterine
Involution . . . . . . . . . . . . . . . 450
Peter M. Robinson A Cholinergic Component in the
Innervation of the Longitudinal Smooth
Muscle of the Guinea Pig Vas Deferens 462
Bernard Tandler and
Robert A. Erlandson and
Archie L. Smith and
Ernest L. Wynder Riboflavin and Mouse Hepatic Cell
Structure and Function . . . . . . . . . 477
Marko Zalokar Intracellular Centrifugal Separation of
Organelles in \bionamePhycomyces . . . . 494
Moshe Siev and
Robert Weinberg and
Sheldon Penman The Selective Interruption of Nucleolar
RNA Synthesis in HeLa Cells by
Cordycepin . . . . . . . . . . . . . . . 510
Federico Leighton and
Brian Poole and
Paul B. Lazarow and
Christian De Duve The Synthesis and Turnover of Rat Liver
Peroxisomes . . . . . . . . . . . . . . 521
Brian Poole and
Federico Leighton and
Christian De Duve The Synthesis and Turnover of Rat Liver
Peroxisomes . . . . . . . . . . . . . . 536
George C. Hill and
Winston A. Anderson Effects of Acriflavine on the
Mitochondria and Kinetoplast of
Crithidia Fasciculata . . . . . . . . . 547
Jared J. Grantham and
Charles E. Ganote and
Maurice B. Burg and
Jack Orloff Paths of Transtubular Water Flow in
Isolated Renal Collecting Tubules . . . 562
Thomas Bibring and
Jane Baxandall Immunochemical Studies of 22S Protein
from Isolated Mitotic Apparatus . . . . 577
Hans D. Berendes and
James B. Boyd Structural and Functional Properties of
Polytene Nuclei Isolated from Salivary
Glands of \bionameDrosophila Hydei . . . 591
Joel L. Rosenbaum and
John E. Moulder and
David L. Ringo Flagellar Elongation and Shortening in
Chlamydomonas . . . . . . . . . . . . . 600
B. Daneholt and
J.-E. Edström The DNA Base Composition of Individual
Chromosomes and Chromosome Segments from
Chironomus Tentans . . . . . . . . . . . 620
Srinivasan Rajalakshmi and
W. Robert Adams and
Robert E. Handschumacher Isolation and Characterization of Low
Density Structures from Orotic
Acid-Induced Fatty Livers . . . . . . . 625
R. Barton Investigation of Negatively Stained
Plant Flagellar Microtubules by Optical
Diffraction . . . . . . . . . . . . . . 637
R. A. Florentin and
B. H. Choi and
K. T. Lee and
W. A. Thomas Stimulation of DNA Synthesis and Cell
Division in Vitro by Serum from
Cholesterol-Fed Swine . . . . . . . . . 641
C. A. R. Boyd and
D. S. Parsons The Fine Structure of the Microvilli of
Isolated Brush Borders of Intestinal
Epithelial Cells . . . . . . . . . . . . 646
Joseph B. Warshaw Cellular Energy Metabolism During Fetal
Development . . . . . . . . . . . . . . 651
Robert M. Lavker Fine Structure of Mucus Granules in
Rumen Epithelium . . . . . . . . . . . . 657
Leroy Kuehl Effect of Various Inhibitors on Nuclear
Protein Synthesis in Rat Liver . . . . . 660
A. W. Rogers and
Z. Darzynkiewicz and
M. M. Salpeter and
K. Ostrowski and
E. A. Barnard Quantitative Studies on Enzymes in
Structures in Striated Muscles by
Labeled Inhibitor Methods . . . . . . . 665
A. W. Rogers and
E. A. Barnard Quantitative Studies on Enzymes in
Structures in Striated Muscles by
Labeled Inhibitor Methods . . . . . . . 686
Eleanor C. Adams and
Arthur T. Hertig Studies on the Human Corpus Luteum . . . 696
Eleanor C. Adams and
Arthur T. Hertig Studies on the Human Corpus Luteum . . . 716
David A. Sell and
Edward S. Reynolds Liver Parenchymal Cell Injury . . . . . 736
Avraham Amsterdam and
Itzhak Ohad and
Michael Schramm Dynamic Changes in the Ultrastructure of
the Acinar Cell of the Rat Parotid Gland
During the Secretory Cycle . . . . . . . 753
Eugene Marquet and
Harold John Sobel Crystalline Inclusions in the Nuclear
Envelope and Granular Endoplasmic
Reticulum of the Fish Spinal Cord . . . 774
Blair Bowers and
Edward D. Korn The Fine Structure of
\bionameAcanthamoeba Castellanii (Neff
Strain) . . . . . . . . . . . . . . . . 786
R. H. Bottomley and
A. L. Trainer and
M. J. Griffin Enzymatic and Chromosomal
Characterization of HeLa Variants . . . 806
Takami Oka and
Robert T. Schimke Interaction of Estrogen and Progesterone
in Chick Oviduct Development . . . . . . 816
Sonia Rude and
Richard E. Coggeshall and
Lucas S. Van Orden Chemical and Ultrastructural
Identification of $5$-Hydroxytryptamine
in an Identified Neuron . . . . . . . . 832
S. Schiaffino and
A. Margreth Coordinated Development of the
Sarcoplasmic Reticulum and T System
During Postnatal Differentiation of Rat
Skeletal Muscle . . . . . . . . . . . . 855
James A. Robb Maintenance of Imaginal Discs of
\bionameDrosophila Melanogaster in
Chemically Defined Media . . . . . . . . 876
G. C. Priestley and
R. A. Malt Membrane-Bound Ribosomes in Kidney . . . 886
John M. Arnold Cleavage Furrow Formation in a
Telolecithal Egg (\bionameLoligo Pealii) 894
Myra Jagendorf-Elfvin and
Eva Eliasson Reversible Changes in the Ultrastructure
of Chang Liver Cell Mitochondria
Following Incubation of the Cells in a
Glutamine-Deficient Medium . . . . . . . 905
Carole Kelley Wall Projections in the Sporophyte and
Gametophyte of Sphaerocarpos . . . . . . 910
Mary Bell Langerhans Granules in Fetal
Keratinocytes . . . . . . . . . . . . . 914
Lucien G. Caro A Common Source of Difficulty in
High-Resolution Radioautography . . . . 918
Don W. Fawcett and
N. Scott McNutt The Ultrastructure of the Cat Myocardium 1
N. Scott McNutt and
Don W. Fawcett The Ultrastructure of the Cat Myocardium 46
Ewald R. Weibel and
Willy Stäubli and
Hans Rudolf Gnägi and
Felix A. Hess Correlated Morphometric and Biochemical
Studies on the Liver Cell . . . . . . . 68
Willy Stäubli and
Robert Hess and
Ewald R. Weibel Correlated Morphometric and Biochemical
Studies on the Liver Cell . . . . . . . 92
Paul F. Kruse and
Wilbur Whittle and
Ed Miedema Mitotic and Nonmitotic Multiple-Layered
Perfusion Cultures . . . . . . . . . . . 113
M. M. Salpeter Electron Microscope Radioautography As a
Quantitative Tool in Enzyme
Cytochemistry . . . . . . . . . . . . . 122
A. M. Kelly and
S. I. Zacks The Histogenesis of Rat Intercostal
Muscle . . . . . . . . . . . . . . . . . 135
A. M. Kelly and
S. I. Zacks The Fine Structure of Motor Endplate
Morphogenesis . . . . . . . . . . . . . 154
Lewis G. Tilney and
Douglas Marsland A Fine Structural Analysis of Cleavage
Induction and Furrowing in the Eggs of
\bionameArbacia Punctulata . . . . . . . 170
R. G. Kessel and
H. W. Beams Annulate Lamellae and ``Yolk Nuclei'' in
Oocytes of the Dragonfly, Libellula
Pulchella . . . . . . . . . . . . . . . 185
Toku Kanaseki and
Ken Kadota The ``Vesicle in a Basket'' . . . . . . 202
Charles R. Hackenbrock and
Arnold I. Caplan Ion-Induced Ultrastructural
Transformations in Isolated Mitochondria 221
Lloyd Schick and
Larry G. Butler Inorganic Pyrophosphatase of Rat Liver
Mitochondria . . . . . . . . . . . . . . 235
A. Lasansky and
M. G. F. Fuortes The Site of Origin of Electrical
Responses in Visual Cells of the Leech,
Hirudo Medicinalis . . . . . . . . . . . 241
Sidney Goldfischer and
Jay Bernstein Lipofuscin (Aging) Pigment Granules of
the Newborn Human Liver . . . . . . . . 253
Richard Holmes and
Judy Helms and
Gretchen Mercer Cholesterol Requirement of Primary
Diploid Human Fibroblasts . . . . . . . 262
Ming C. Liau and
Robert P. Perry Ribosome Precursor Particles in Nucleoli 272
Allen L. Bell and
David B. Peakall Changes in Fine Structure During Silk
Protein Production in the Ampullate
Gland of the Spider \bionameAraneus
Sericatus . . . . . . . . . . . . . . . 284
D. W. Deamer and
R. J. Baskin Ultrastructure of Sarcoplasmic Reticulum
Preparations . . . . . . . . . . . . . . 296
M. D. Enger and
R. A. Tobey RNA Synthesis in Chinese Hamster Cells 308
G. R. Millward Cellulose contamination: a possible
source of error in the interpretation of
previous experimental evidence for the $
\alpha $-keratin protofibril . . . . . . 317
Robert S. Gardner The Use of Tricine Buffer in Animal
Tissue Cultures . . . . . . . . . . . . 320
D. G. Rayns and
F. O. Simpson and
Janet M. Ledingham Ultrastructure of Desmosomes in
Mammalian Intercalated Disc; Appearances
After Lanthanum Treatment . . . . . . . 322
Werner W. Franke and
Werner Schinko Nuclear Shape in Muscle Cells . . . . . 326
Walter Rubin Enzyme Cytochemistry of Gastric Parietal
Cells at a Fine Structure Level . . . . 332
Bernard Tandler and
Leonard L. Ross Observations of Nerve Terminals in Human
Labial Salivary Glands . . . . . . . . . 339
J. P. Kraehenbuhl and
M. A. Campiche Early Stages of Intestinal Absorption of
Specific Antibodies in the Newborn . . . 345
M. M. Elkind and
E. Kano and
H. Sutton-Gilbert Cell Killing by Actinomycin D in
Relation to the Growth Cycle of Chinese
Hamster Cells . . . . . . . . . . . . . 366
G. M. Kellerman and
D. R. Biggs and
Anthony W. Linnane Biogenesis of Mitochondria . . . . . . . 377
Richard W. Young and
Dean Bok Participation of the Retinal Pigment
Epithelium in the Rod Outer Segment
Renewal Process . . . . . . . . . . . . 392
Robert K. Trench and
Richard W. Greene and
Barbara G. Bystrom Chloroplasts As Functional Organelles in
Animal Tissues . . . . . . . . . . . . . 404
Romaine R. Bruns A Symmetrical, Extracellular Fibril . . 418
Thomas L. Lentz Development of the Neuromuscular
Junction . . . . . . . . . . . . . . . . 431
Cecilia Bibbiani and
Roberto Tongiani and
Maria Pia Viola-Magni I. Quantitative Determination of the
Amount of DNA Per Nucleus by
Interference Microscopy . . . . . . . . 444
Roberto Tongiani and
Maria Pia Viola-Magni Ii. Differences in Adrenal Medulla
Nuclear DNA Content Among Rats of
Different Strains Following Intermittent
Exposure to Cold . . . . . . . . . . . . 452
S. R. Pelc and
Maria Pia Viola-Magni III. Decrease of Labeled DNA in Cells of
the Adrenal Medulla After Intermittent
Exposure to Cold . . . . . . . . . . . . 460
Agnes Horvat and
Jane Baxandall and
Oscar Touster The Isolation of Lysosomes from Ehrlich
Ascites Tumor Cells Following
Pretreatment of Mice with Triton Wr-1339 469
M. A. Venkatachalam and
H. Dariush Fahimi The Use of Beef Liver Catalase As a
Protein Tracer for Electron Microscopy 480
William O. Whetsell and
Richard P. Bunge Reversible Alterations in the Golgi
Complex of Cultured Neurons Treated with
an Inhibitor of Active Na and K
Transport . . . . . . . . . . . . . . . 490
Margaret E. Beard and
Alex B. Novikoff Distribution of Peroxisomes
(Microbodies) in the Nephron of the Rat 501
Ulrich Scheer and
Werner W. Franke Negative Staining and Adenosine
Triphosphatase Activity of Annulate
Lamellae of Newt Oocytes . . . . . . . . 519
Jack Rosenbluth Sarcoplasmic Reticulum of an Unusually
Fast-Acting Crustacean Muscle . . . . . 534
Martin Mendelson Electrical and Mechanical
Characteristics of a Very Fast Lobster
Muscle . . . . . . . . . . . . . . . . . 548
E. L. Carstensen and
A. Coopersmith and
M. Ingram and
S. Z. Child Stability of Erythrocytes Fixed in
Osmium Tetroxide Solutions . . . . . . . 565
Georgiana M. Jagiello Meiosis and Inhibition of Ovulation in
Mouse Eggs Treated with Actinomycin D 571
Toby C. Rodman Morphology and Replication of
Intranucleolar DNA in Polytene Nuclei 575
Heinz Falk Rough Thylakoids: Polysomes Attached to
Chloroplast Membranes . . . . . . . . . 582
Janardan Reddy and
Sukhum Bunyaratvej and
Donald Svoboda Microbodies in Experimentally Altered
Cells . . . . . . . . . . . . . . . . . 587
Stephen E. Malawista and
Hidemi Sato Vinblastine Produces Uniaxial,
Birefringent Crystals in Starfish
Oocytes . . . . . . . . . . . . . . . . 596
Joel B. Kirkpatrick Stability of Brain Microtubules in
Homogenates . . . . . . . . . . . . . . 600
Imogene Schneider Establishment of Three Diploid Cell
Lines of Anopheles Stephensi (Diptera:
Culicidae) . . . . . . . . . . . . . . . 603
Paul Urban The Fine Structure of Pronuclear Fusion
in the Coenocytic Marine Alga Bryopsis
Hypnoides Lamouroux . . . . . . . . . . 606
Walther Stoeckenius and
Donald M. Engelman Current Models for the Structure of
Biological Membranes . . . . . . . . . . 613
Guido Majno and
Stephen M. Shea and
Monika Leventhal Endothelial Contraction Induced by
Histamine-Type Mediators . . . . . . . . 647
Martin A. Gorovsky and
John Woodard Studies on Nuclear Structure and
Function in \bionameTetrahymena
Pyriformis . . . . . . . . . . . . . . . 673
Robert E. Kelly and
Robert V. Rice Ultrastructural Studies on the
Contractile Mechanism of Smooth Muscle 683
S. L. Howell and
M. Kostianovsky and
P. E. Lacy Beta Granule Formation in Isolated
Islets of Langerhans . . . . . . . . . . 695
Francesco Clementi and
George E. Palade Intestinal Capillaries . . . . . . . . . 706
Richard W. Hendler and
Amelia H. Burgess and
Raymond Scharff Respiration and Protein Synthesis in
\bionameEscherichia coli
Membrane-Envelope Fragments . . . . . . 715
N. Nanninga Preservation of the Ultrastructure of
Bacillus Subtilis by Chemical Fixation
As Verified by Freeze-Etching . . . . . 733
Ronald M. Humphrey and
B. R. Brinkley Ultrastructural Studies of
Radiation-Induced Chromosome Damage . . 745
Cesar M. Libanati and
Carlos J. Tandler The Distribution of the Water-Soluble
Inorganic Orthophosphate Ions Within the
Cell: Accumulation in the Nucleus . . . 754
Peter G. W. Plagemann Choline Metabolism and Membrane
Formation in Rat Hepatoma Cells Grown in
Suspension Culture . . . . . . . . . . . 766
Ken Shortman and
Kathrin Seligman The Separation of Different Cell Classes
from Lymphoid Organs . . . . . . . . . . 783
I-Li Chen and
Robert D. Yates Electron Microscopic Radioautographic
Studies of the Carotid Body Following
Injections of Labeled Biogenic Amine
Precursors . . . . . . . . . . . . . . . 794
I-Li Chen and
Robert D. Yates and
Donald Duncan The Effects of Reserpine and Hypoxia on
the Amine-Storing Granules of the
Hamster Carotid Body . . . . . . . . . . 804
Jack Rosenbluth Ultrastructure of Dyads in Muscle Fibers
of Ascaris Lumbricoides . . . . . . . . 817
B. R. Brinkley and
Ronald M. Humphrey Evidence for Subchromatid Organization
in Marsupial Chromosomes . . . . . . . . 827
E. C. Raff and
J. J. Blum Some Properties of a Model Assay for
Ciliary Contractility . . . . . . . . . 831
Leonard Amaral and
Louis G. Moriber and
Marion Himes The Effect of Cortisone on the Volume
and Total Protein Content of Mouse Liver
Nuclei . . . . . . . . . . . . . . . . . 835
G. E. Stone Change in Histone\slash DNA Ratio During
Population Growth in \bionameTetrahymena 837
Carl M. Feldherr A Comparative Study of Nucleocytoplasmic
Interactions . . . . . . . . . . . . . . 841
M. M. Thaler and
M. C. L. Cox and
C. A. Villee Isolation of Nuclei from Sea Urchin Eggs
and Embryos . . . . . . . . . . . . . . 846
Daniel M. Berkowitz and
Tsuyoshi Kakefuda and
Michael B. Sporn A Simple and Rapid Method for the
Isolation of Enzymatically Active HeLa
Cell Nuclei . . . . . . . . . . . . . . 851
Guillermo Jaim-Etcheverry and
Luis Maria Zieher Selective Demonstration of a Type of
Synaptic Vesicle by Phosphotungstic Acid
Staining . . . . . . . . . . . . . . . . 855
Y. Marikovsky and
D. Danon Electron Microscope Analysis of Young
and Old Red Blood Cells Stained with
Colloidal Iron for Surface Charge
Evaluation . . . . . . . . . . . . . . . 1
E. Skutelsky and
D. Danon Reduction in Surface Charge As an
Explanation of the Recognition by
Macrophages of Nuclei Expelled from
Normoblasts . . . . . . . . . . . . . . 8
C. J. Arntzen and
R. A. Dilley and
F. L. Crane A Comparison of Chloroplast Membrane
Surfaces Visualized by Freeze-Etch and
Negative Staining Techniques; and
Ultrastructural Characterization of
Membrane Fractions Obtained from
Digitonin-Treated Spinach Chloroplasts 16
S. I. Rubinow A Simple Model of a Steady State
Differentiating Cell System . . . . . . 32
R. Bruce Nicklas and
Carol A. Koch Chromosome Micromanipulation . . . . . . 40
R. S. Dwivedi and
S. K. Dutta and
D. P. Bloch Isolation and Characterization of
Chromatin from Neurospora Crassa . . . . 51
Becca Fleischer and
Sidney Fleischer and
Hidehiro Ozawa Isolation and Characterization of Golgi
Membranes from Bovine Liver . . . . . . 59
Gustav Niebauer and
Walter S. Krawczyk and
Richard L. Kidd and
George F. Wilgram Osmium Zinc Iodide Reactive Sites in the
Epidermal Langerhans Cell . . . . . . . 80
Mary G. Wetzel and
Edward D. Korn Phagocytosis of Latex Beads by
\bionameAcanthamoeba Castellanii (Neff) 90
Andrew G. Ulsamer and
Frank Rees Smith and
Edward D. Korn Lipids of \bionameAcanthamoeba
Castellanii . . . . . . . . . . . . . . 105
William L. Robison and
David Davis Determination of Iodine Concentration
and Distribution in Rat Thyroid
Follicles by Electron-Probe
Microanalysis . . . . . . . . . . . . . 115
Takami Oka and
Robert T. Schimke Interaction of Estrogen and Progesterone
in Chick Oviduct Development . . . . . . 123
Alexandra von der Decke Activation in Vitro of Rat Liver
Polyribosomes . . . . . . . . . . . . . 138
Lewis G. Tilney and
Breck Byers Studies on the Microtubules in Heliozoa 148
Heinz Falk Fusiform Vesicles in Plant Cells . . . . 167
Caroline H. Damsky and
William M. Nelson and
Albert Claude Mitochondria in Anaerobically-Grown,
Lipid-Limited Brewer's Yeast . . . . . . 174
Albert W. Sedar Uptake of Peroxidase into the
Smooth-Surfaced Tubular System of the
Gastric Acid-Secreting Cell . . . . . . 179
Philip B. Dunham and
Larry C. Stoner Indentation of the Pellicle of
\bionameTetrahymena at the Contractile
Vacuole Pore Before Systole . . . . . . 184
D. Thines-Sempoux and
A. Amar-Costesec and
H. Beaufay and
J. Berthet The Association of Cholesterol,
5'-Nucleotidase, and Alkaline
Phosphodiesterase I with a Distinct
Group of Microsomal Particles . . . . . 189
James L. S. Cobb Modified Cilia in the Gut of the
Lamellibranch Mollusc Tapes Watlingi . . 192
J. Morris Johnson A Study of Nucleolar Vacuoles in
Cultured Tobacco Cells Using
Radioautography, Actinomycin D, and
Electron Microscopy . . . . . . . . . . 197
Robert R. Klevecz Temporal Order in Mammalian Cells . . . 207
Harriet M. McCurdy Enzyme Localization During Melanogenesis 220
Edmund Guttes and
Sophie Guttes Replication of Nucleolus-Associated DNA
During ``G$_2$ Phase'' in
\bionamePhysarum Polycephalum . . . . . 229
Charles A. Ashley and
Theodore Peters Electron Microscopic Radioautographic
Detection of Sites of Protein Synthesis
and Migration in Liver . . . . . . . . . 237
Charles J. Flickinger The Development of Golgi Complexes and
Their Dependence Upon the Nucleus in
Amebae . . . . . . . . . . . . . . . . . 250
Selma Silagi Control of Pigment Production in Mouse
Melanoma Cells in Vitro . . . . . . . . 263
H. Dariush Fahimi Cytochemical Localization of Peroxidatic
Activity of Catalase in Rat Hepatic
Microbodies (Peroxisomes) . . . . . . . 275
P. Whur and
Annette Herscovics and
C. P. Leblond Radioautographic Visualization of the
Incorporation of Galactose-$^3$H and
Mannose-$^3$H by Rat Thyroids in Vitro
in Relation to the Stages of
Thyroglobulin Synthesis . . . . . . . . 289
Harunori Ishikawa and
Richard Bischoff and
Howard Holtzer Formation of Arrowhead Complexes with
Heavy Meromyosin in a Variety of Cell
Types . . . . . . . . . . . . . . . . . 312
Emile Vivier and
André Petitprez Le Complexe Membranaire Superficiel Et
Son Evolution Lors De L'Elaboration Des
Individus-Fils Chez Toxoplasma Gondii 329
Sue Ellen Frederick and
Eldon H. Newcomb Cytochemical Localization of Catalase in
Leaf Microbodies (Peroxisomes) . . . . . 343
Jerome J. Wolken Microspectrophotometry and the
Photoreceptor of \bionamePhycomyces I 354
K. P. Dingemans The Relation Between Cilia and Mitoses
in the Mouse Adenohypophysis . . . . . . 361
Peter G. Canonico and
John W. C. Bird The Use of Acridine Orange As a
Lysosomal Marker in Rat Skeletal Muscle 367
Elliott Robbins and
Michael Shelanski Synthesis of a Colchicine-Binding
Protein During the HeLa Cell Life Cycle 371
A. Macieira-Coelho and
J. Ponten Analogy in Growth Between Late Passage
Human Embryonic and Early Passage Human
Adult Fibroblasts . . . . . . . . . . . 374
Lennart Boquist Intranuclear rods in pancreatic islet $
\beta $-cells . . . . . . . . . . . . . 377
Yutaka Shimada and
D. A. Fischman and
A. A. Moscona The Development of Nerve-Muscle
Junctions in Monolayer Cultures of
Embryonic Spinal Cord and Skeletal
Muscle Cells . . . . . . . . . . . . . . 382
Arne Lòvlie Increase in Function During Growth of a
Single Cell Organelle . . . . . . . . . 389
H. J. Stoltze and
N. S. T. Lui and
O. R. Anderson and
O. A. Roels The Influence of the Mode of Nutrition
on the Digestive System of Ochromonas
Malhamensis . . . . . . . . . . . . . . 396
Olga Stein and
Yechezkiel Stein and
Dewitt S. Goodman and
Noel H. Fidge The Metabolism of Chylomicron
Cholesteryl Ester in Rat Liver . . . . . 410
Frank C. Bancroft and
Lawrence Levine and
Armen H. Tashjian Control of Growth Hormone Production by
a Clonal Strain of Rat Pituitary Cells 432
Jacob E. Berger Optical Diffraction Studies of
Crystalline Structures in Electron
Micrographs . . . . . . . . . . . . . . 442
Irmin Sternlieb and
Jacob E. Berger Optical Diffraction Studies of
Crystalline Structures in Electron
Micrographs . . . . . . . . . . . . . . 448
J. Metuzals and
C. S. Izzard Spatial Patterns of Threadlike Elements
in the Axoplasm of the Giant Nerve Fiber
of the Squid (\bionameLoligo Pealii L.)
As Disclosed by Differential
Interference Microscopy and by Electron
Microscopy . . . . . . . . . . . . . . . 456
J. Metuzals Configuration of a Filamentous Network
in the Axoplasm of the Squid
(\bionameLoligo Pealii L.) Giant Nerve
Fiber . . . . . . . . . . . . . . . . . 480
M. N. Berry and
D. S. Friend High-Yield Preparation of Isolated Rat
Liver Parenchymal Cells . . . . . . . . 506
Clinton D. Stoner and
Howard D. Sirak Osmotically-Induced Alterations in
Volume and Ultrastructure of
Mitochondria Isolated from Rat Liver and
Bovine Heart . . . . . . . . . . . . . . 521
Katsuhide Nishi and
Chikayoshi Oura and
Wazir Pallie Fine Structure of Pacinian Corpuscles in
the Mesentery of the Cat . . . . . . . . 539
Awtar Krishan and
Dora Hsu Observations on the Association of
Helical Polyribosomes and Filaments with
Vincristine-Induced Crystals in Earle's
L-Cell Fibroblasts . . . . . . . . . . . 553
Allen Costoff and
W. H. McShan Isolation and Biological Properties of
Secretory Granules from Rat Anterior
Pituitary Glands . . . . . . . . . . . . 564
Susan G. Langreth Spermiogenesis in Cancer Crabs . . . . . 575
Francis J. Manasek The Appearance of Granules in the Golgi
Complex of Embryonic Cardiac Myocytes 605
R. J. Baskin and
D. W. Deamer Comparative Ultrastructure and Calcium
Transport in Heart and Skeletal Muscle
Microsomes . . . . . . . . . . . . . . . 610
Awtar Krishan and
Ratna Ray-Chaudhuri Asynchrony of Nuclear Development in
Cytochalasin-Induced Multinucleate Cells 618
M. W. Berns and
R. S. Olson and
D. E. Rounds Argon Laser Micro-Irradiation of
Nucleoli . . . . . . . . . . . . . . . . 621
Andrea Mastro and
Emma Shelton and
W. C. Hymer DNA Synthesis in the Rat Anterior
Pituitary . . . . . . . . . . . . . . . 626
Elliott Robbins and
Gene A. Morrill Oxygen Uptake During the HeLa Cell Life
Cycle and Its Correlation with
Macromolecular Synthesis . . . . . . . . 629