Science, New Series, Vol. 103, No. 2662, Jan. 4, 1946

Previous Issue: New Series, Vol. 102, No. 2661, Dec. 28, 1945
Next Issue: New Series, Vol. 103, No. 2663, Jan. 11, 1946

Volume Information (2 pp.)
Front Matter (2 pp.)
Editorial, pp. 1-3
A National Science Foundation and the Scientific Worker, pp. 4-6

R. W. Gerard

Alliance of Industry and Scientific Research in Great Britain, pp. 6-8

Basil J. A. Bard

Wartime Research in Malaria, pp. 8-9

Association Affairs

Recent Elections of Officers for Terms Beginning in 1946, p. 9

Science Legislation

Science Legislation and the Holiday Recess, pp. 10-11

Howard A. Meyerhoff

Technical Papers

The Lipotropic Properties of Inositol, pp. 12-13

C. H. Best; C. C. Lucas; J. M. Patterson; J. H. Ridout

TDE, 1,1-Dichloro-2,2-Bis (p-Chlorophenyl) Ethane, as an Anopheline Larvicide, pp. 13-14

Christian C. Deonier; Howard A. Jones

The Age of Jerome Bog, "A Carolina Bay", pp. 14-15

Murray F. Buell

News and Notes, pp. 15-20

In the Laboratory

Black Fly Incubator-Aerator Cabinet, p. 21

Lyell J. Thomas

Sintered Glass Disks, pp. 21-22

Arthur D. Mack

Attachment of Electroencephalographic Electrodes, p. 22

Chester W. Darrow; Julian H. Pathman

A Potometer for Rapid Measurements of Ingestion by Haustellate Insects, pp. 22-23

Mable R. Frings; Hubert Frings

A New Glass Device for Staining Cover-Glass Preparations, pp. 23-24

Ralph Wichterman

Letters to the Editor

Growth of Trophoblast in the Anterior Chamber of the Eye of the Rabbit, p. 25

Charles Gurchot; Ernest T. Krebs

The Pelletier and Caventou Monument in Paris, p. 25

George Urdang

Some X-Ray Crystallographic Data on DDT, p. 25

I. Fankuchen; M. Schneider; J. Singer

The Best Defense, pp. 25-26

Raymond E. Bassett

On Opening "Frozen" Vacuum Desiccators, p. 26

William A. Hiestand

Information Please, p. 26

B.; T.

The Rumbling of Thunder, pp. 26-27

Samuel R. Cook

"Freezing" Behavior in Rats, p. 27

Henry W. Nissen

A Correction, p. 27

Bernard F. Riess

Book Reviews

----------------, p. 28

Experimental Catatonia: A General Reaction-Form of the Central Nervous System and Its Implications for Human Pathology

Herman Holland De Jong

Review author[s]: Jules H. Masserman

----------------, pp. 28+30

American Old and Middle Tertiary Larger Foraminifera and Corals. Pt. I: American Paleocene and Eocene Larger Foraminifera

Thomas Wayland Vaughan

West Indian Eocene and Miocene Corals

John West Wells

Review author[s]: W. Storrs Cole

----------------, p. 30

Introduction to Organic Chemistry

Alexander Lowy; Benjamin Harrow; Percy M. Apfelbaum

Review author[s]: Albert L. Henne

----------------, pp. 30-31

Introduction to Industrial Chemistry

W. T. Frier; Albert C. Holler

Review author[s]: Albert L. Henne

----------------, pp. 31-32

Physics of the Twentieth Century

Pascual Jordan

Review author[s]: Wayne B. Denny

----------------, p. 32

Check-List of Birds of the World

James Lee Peters

Review author[s]: Alden H. Miller

Catalogue Corner, p. 32

Previous Issue: New Series, Vol. 102, No. 2661, Dec. 28, 1945
Next Issue: New Series, Vol. 103, No. 2663, Jan. 11, 1946

Science, New Series, Vol. 103, No. 2663, Jan. 11, 1946

Previous Issue: New Series, Vol. 103, No. 2662, Jan. 4, 1946
Next Issue: New Series, Vol. 103, No. 2664, Jan. 18, 1946

Front Matter (2 pp.)
New Opportunities and New Responsibilities for the Psychologist, pp. 33-38

John G. Jenkins

S. 1720, pp. 39-44
Committee for a National Science Foundation, pp. 45+62-63
News and Notes, pp. 46-47

Technical Papers

Electrical Correlates of Peripheral Nerve Injury: A Preliminary Note, pp. 48-49

R. G. Grenell; H. S. Burr

Spinal Conditioning in Dogs, pp. 49-50

W. N. Kellogg; N. H. Pronko; James Deese

A Gastric Mucigogue Action of the Alkyl Sulfates, pp. 50-52

Harry Shay; S. A. Komarov; H. Siplet; Samuel S. Fels

Degradation of Streptomycin and the Structure of Streptidine and Streptamine, pp. 53-54

H. E. Carter; R. K. Clark; S. R. Dickman; Y. H. Loo; J. S. Meek; P. S. Skell; W. A. Strong; J. T. Alberi; Q. R. Bartz; S. B. Binkley; H. M. Crooks; I. R. Hooper; M. C. Rebstock

In the Laboratory

A Photographic Method for Recording Ureteral Kinetics in Situ, pp. 55-56

D. R. Peterson

The Estimation of Streptomycin in Body Fluids, pp. 56-57

Clifford W. Price; Jean K. Nielsen; Henry Welch

Continuous Anesthesia for Insects, p. 57

Carroll M. Williams

Letters to the Editor

Pleistocene Fossil Excavations at Blue Licks Spring, Kentucky, pp. 58-59

Willard Rouse Jillson

Why Not?, p. 59

Lyell J. Thomas

An Appeal, p. 59

Langhorne H. Brickwedde; Louise McD. Browne; Emilie H. Condon; Lola S. Deming; Edith O. Hendricks; Mildred R. Masi; Grace H. Ruark; Grace H. Smith

Ch'ang Shan, a Chinese Antimalarial Herb, p. 59

C. S. Jang; F. Y. Fu; C. Y. Wang; K. C. Huang; G. Lu; T. C. Chou

Book Reviews

----------------, p. 60

How a Baby Grows: A Story in Pictures

Arnold Gesell

Review author[s]: Lewis M. Terman

----------------, pp. 60+62

The Maya of East Central Quintana Roo

Alfonso Villa R.

Review author[s]: John Gillin

Back Matter (1 p.)

Previous Issue: New Series, Vol. 103, No. 2662, Jan. 4, 1946
Next Issue: New Series, Vol. 103, No. 2664, Jan. 18, 1946

Science, New Series, Vol. 103, No. 2664, Jan. 18, 1946

Previous Issue: New Series, Vol. 103, No. 2663, Jan. 11, 1946
Next Issue: New Series, Vol. 103, No. 2665, Jan. 25, 1946

Front Matter (2 pp.)
Science for Democracy, pp. 65-68

Ward Shepard

The Science Teacher and Legislative Proposals for the Promotion of Science, pp. 68-69

Frank E. E. Germann

Science Legislation

Scientific Training, pp. 70-71

Howard A. Meyerhoff

Technical Papers

The Anemia Associated with Chronic Infection, pp. 72-73

G. E. Cartwright; M. A. Lauritsen; S. Humphreys; P. J. Jones; I. M. Merrill; M. M. Wintrobe

An Observation on the Red Cell Content of the Blood of the Thoroughbred Horse, p. 73

John Macleod; Eric Ponder

Fur and Feathers: A Response to Falling Temperature?, pp. 74-75

Raymond B. Cowles

In the Laboratory

Semi-Continuous Tap-Water Aerator, pp. 75-76

E. C. Cantino; E. D. Hatfield

Prozones and Blocking Effect in Normal Iso- and Hetero-Agglutination with Cord Sera, pp. 76-77

Herbert H. Lubinski

News and Notes, pp. 77-84

Letters to the Editor

Reply to Professor Reed, p. 85

R. D. Bennett

Subaqueous Mud Cracks Formed by Settling, pp. 85-86

Rousseau H. Flower; Willard G. Ives

Soviet Biology, p. 86

P. C. Koller

Study of Scientific Russian in American Universities, p. 86

J. G. Tolpin

A Correction, p. 86

Karl K. Darrow

Book Reviews

----------------, p. 87

Fungicides and Their Action

James G. Horsfall

Review author[s]: C. E. Yarwood

----------------, pp. 87-88

L'hérédité et l'homme

Jacques Rousseau

Review author[s]: C. P. Oliver

----------------, pp. 88-89

Vertebrate Paleontology

Alfred Sherwood Romer

Review author[s]: Edwin H. Colbert

----------------, p. 89

Textbook of Bacteriology

Edwin O. Jordan; William Burrows

Review author[s]: J. J. Bronfenbrenner

----------------, p. 89

Russian-English Scientific-Technical Dictionary

A. Bray

Review author[s]: Raymond A. Bauer

----------------, pp. 89-90

Coasts, Waves and Weather for Navigators

John Q. Stewart

Review author[s]: H. U. Sverdrup

----------------, pp. 90+92-93

Psychology for the Armed Services

Edwin G. Boring

Review author[s]: Walter R. Miles

Scientific Book Register, p. 93
Catalogue Corner, p. 94

Previous Issue: New Series, Vol. 103, No. 2663, Jan. 11, 1946
Next Issue: New Series, Vol. 103, No. 2665, Jan. 25, 1946

Science, New Series, Vol. 103, No. 2665, Jan. 25, 1946

Previous Issue: New Series, Vol. 103, No. 2664, Jan. 18, 1946
Next Issue: New Series, Vol. 103, No. 2666, Feb. 1, 1946

Front Matter (3 pp.)
An Industrial View of Research Trends, pp. 95-99

M. L. Tainter

Study of Experimentally Deformed Rocks, pp. 99-103

Eleanora Bliss Knopf

Science Legislation

A National Science Foundation: Will It Be a Practical Reality or a Perpetual Controversy?, p. 104

I. M. Kolthoff; Maurice B. Visscher

Association Affairs

Work for Section K, pp. 105-106

Bruce L. Melvin

Technical Papers

Protein Apoferritin and Ferritin in Iron Feeding and Absorption, p. 107

S. Granick

The Use of Synthetic L. Casei Factor in the Treatment of Sprue, p. 108

William J. Darby; Edgar Jones; Howard C. Johnson

News and Notes, pp. 109-111

In the Laboratory

A Superior Pith for Free-Hand Sections, p. 112

Fernando Carvajal

A Culture Method for Certain Marine Algae, pp. 112-113

J. C. Strickland

A Slide Rule for the Addition of Squares, pp. 113-114

William E. Morrell

An Impurity in Some Commercial Penicillin Preparations Which Interferes with the Diazo Reaction in Determining Blood Phenols, pp. 114-115

John C. Hartnett

A Method of Growing Dense Cultures of Paramecium, pp. 115-116

John Stanley

Letters to the Editor

Convulsive Effects of Antibiotic Agents on the Cerebral Cortex, p. 116

A. Earl Walker; Herbert C. Johnson; Theodore J. Case; Jerry J. Kollros

The Genus Aspergillus, pp. 116-117

G. W. Martin

Replies to Dr. Visscher, pp. 117-118

Ray G. Hulburt; Thomas J. Meyers; Cyrus N. Ray

Transposition, p. 118

Harry Shay

Book Reviews

----------------, pp. 119-120

Anatomy as a Basis for Medical and Dental Practice

Donald Mainland

Review author[s]: Roland H. Alden

----------------, pp. 120+122

Your Eyes Have Told Me

Louis H. Schwartz

Review author[s]: LeGrand H. Hardy

----------------, p. 122

Text-Book on Spherical Astronomy

W. M. Smart

Review author[s]: R. J. Trumpler

Catalogue Corner, p. 124

Previous Issue: New Series, Vol. 103, No. 2664, Jan. 18, 1946
Next Issue: New Series, Vol. 103, No. 2666, Feb. 1, 1946

Science, New Series, Vol. 103, No. 2666, Feb. 1, 1946

Previous Issue: New Series, Vol. 103, No. 2665, Jan. 25, 1946
Next Issue: New Series, Vol. 103, No. 2667, Feb. 8, 1946

Front Matter (3 pp.)
The Importance of Scientific Research in the Postwar Era, pp. 125-128

George R. Harrison

The Science Section of Biarritz American University, pp. 129-132

Stanley A. Cain

Science Legislation

Domestic Control of Atomic Energy, pp. 133-136

Howard A. Meyerhoff

Association Affairs

The Science Writers Annual Award, p. 136

Technical Papers

Sterility Induced in Growing Rats on a Tryptophane-Deficient Diet, p. 137

William F. Keller

The Effect of Environmental Temperature on Mouse Susceptibility to Poliomyelitis Virus, pp. 137-138

D. Frank Holtman

News and Notes, pp. 139-142

Obituary

Frank Blair Hanson: 1886-1945, p. 143

Francis O. Schmitt

In the Laboratory

Notes on the Possibility of a Histochemical Method for Localizing Adenosinetriphosphatase, p. 144

Florence Moog; H. Burr Steinbach

A Transparent Plastic Tank and Cover for the Warburg Manometric Apparatus, pp. 144-145

W. Robbie; P. J. Leinfelder; Lee Allen

A Simple Automatic Pressure-Regulating Device for Use with Vacuum Lines, pp. 145-146

Walter S. Clark

Letters to the Editor

Blood Group Factors and Racial Relationships, p. 147

A. S. Wiener

Published Misconceptions regarding the New Clinically Adequate Curare, p. 147

Richard C. Gill

Mumpsimus!, pp. 147-148

Jerome Alexander

Proposed International Association of Scientists, p. 148

Chauncey D. Leake

The Portuguese Man-Of-War as a Food Source for the Sand Crab (Emerita pacifica), pp. 148-149

David D. Bonnet

High School Science, p. 149

Charles A. Gramet

Book Reviews

----------------, pp. 150+152

The Social Systems of American Ethnic Groups

W. Lloyd Warner; Leo Srole

Review author[s]: Raymond A. Bauer

----------------, p. 152

Advances in Carbohydrate Chemistry

W. W. Pigman; M. L. Wolfrom

Review author[s]: Edward F. Degering

Scientific Book Register, pp. 152+154

Previous Issue: New Series, Vol. 103, No. 2665, Jan. 25, 1946
Next Issue: New Series, Vol. 103, No. 2667, Feb. 8, 1946

Science, New Series, Vol. 103, No. 2667, Feb. 8, 1946

Previous Issue: New Series, Vol. 103, No. 2666, Feb. 1, 1946
Next Issue: New Series, Vol. 103, No. 2668, Feb. 15, 1946

Front Matter (2 pp.)
Uniform Luminescent Materials, pp. 155-158

C. G. A. Hill

Another Chain Reaction, pp. 158-160

Katherine Chamberlain

Science Legislation

Further Notes on Science Legislation, pp. 160-161

Robert Chambers

S. 1720 Vs. S. 1777, pp. 161-162

Howard A. Meyerhoff

Statement by Senator Willis Introducing a Bill for a National Science Foundation, pp. 163-164

S. 1777, pp. 164-165

News and Notes, p. 165

Technical Papers

Characterization of Pectin, pp. 166-167

Claude H. Hills; Rudolph Speiser

Inhibition of Growth of Mycobacterium Tuberculosis by a Mold Product--The Effect on Pathogenic Human Tubercle Bacilli, pp. 167-169

Isadore E. Gerber; Milton Gross

In the Laboratory

Pulsating Perfusing Apparatus, p. 170

J. A. Long

An Apparatus for Determining the Respiratory Volume of Large Aquatic Birds, pp. 171-172

Eugene Dehner

A New Sterile Technic for Preparing Agar Cup-Plates, pp. 172-173

John E. Christian; Milton L. Neuroth

Letters to the Editor

Information for B. and T., p. 174

W. O. R.; E. Henry Ruediger; Z.; T.; W.

What Can You Do about It?, p. 174

Karl Heyman

Announcement, p. 174

A. N. Richards

Reversal in the Winter Flounder, pp. 174-175

S. C. Bishop

The Coloration of Acid Earths Caused by Vitamin A, p. 175

Henry M. Espoy

The Coloration of Acid Earths Caused by Vitamin A, p. 175

Henry M. Espoy

The Coloration of Acid Earths Caused by Vitamin A, p. 175

Henry M. Espoy

Preservation of Biological Specimens with Clarite X, p. 175

Herbert W. Levi

Algae in the Carlsbad Caverns, New Mexico, pp. 175-176

Walter B. Lang

What is the Matter with Science?, pp. 176-177

Harold Ward

The Prevention of Atomic Warfare, p. 177

James H. Pannell

The Prevention of Atomic Warfare, p. 177

James H. Pannell

Veterans' Retraining Program in Geology, pp. 177-178

W. H. Bradley

Plea for Change in Regular Time of Meeting of the AAAS, p. 178

Robert S. McEwen

The Law of Precharged Luminescence, p. 178

Jack De Ment

Book Reviews

----------------, pp. 180-181

Heredity and Its Variability

T. D. Lysenko

Review author[s]: L. C. Dunn

----------------, pp. 181-182

The Fortress Islands of the Pacific

William Herbert Hobbs

Review author[s]: J. Edward Hoffmeister

----------------, p. 182

The Woods Hole Marine Biological Laboratory

Frank R. Lillie

Review author[s]: Charles A. Kofoid

Scientific Book Register, p. 182

Previous Issue: New Series, Vol. 103, No. 2666, Feb. 1, 1946
Next Issue: New Series, Vol. 103, No. 2668, Feb. 15, 1946

Science, New Series, Vol. 103, No. 2668, Feb. 15, 1946

Previous Issue: New Series, Vol. 103, No. 2667, Feb. 8, 1946
Next Issue: New Series, Vol. 103, No. 2669, Feb. 22, 1946

Front Matter (2 pp.)
The Butter-Margarine Controversy, pp. 183-187

Harry J. Deuel

Developing Food Acceptance Research, pp. 187-190

W. Franklin Dove

Association Affairs

James Bryant Conant, pp. 191-192

Karl T. Compton

Science Legislation

Compromise Bill for a National Science Foundation, p. 192

Howard A. Meyerhoff

Technical Papers

The Ratio of Carotene to Carotenoid Pigments in Sweet-Potato Varieties, pp. 193-194

Boyce D. Ezell; Marguerite S. Wilcox

Amino Acid and Protein Deficiencies as Causes of Corneal Vascularization: A Preliminary Report, pp. 194-196

V. P. Sydenstricker; W. Knowlton Hall; Charles W. Hock; Edgar R. Pund

Dehydroascorbic Acid in Cabbage, pp. 196-197

Thelma J. McMillan; E. Neige Todhunter

Buckwheat as a Source of Rutin, pp. 197-198

James F. Couch; Joseph Naghski; Charles F. Krewson

Thiamine Depletion of Human Subjects on a Diet Rich in Thiamine, pp. 198-199

Helen T. Ness; Echo L. Price; Helen T. Parsons

Effect of Methionine Supplements on Hepatic Injury Produced by Carbon Tetrachloride, pp. 199-201

Victor A. Drill; Ted A. Loomis

In the Laboratory

Inhibition of Oxidation of Ascorbic Acid by Certain Vegetable Extracts, pp. 201-202

Ruth Reder

The Use of 2,4-Dinitrophenylhydrazine for the Determination of Ascorbic Acid, pp. 202-203

M. Pijoan; H. J. Gerjovich

News and Notes, pp. 203-205

Letters to the Editor

Federal Scientific Research, p. 206

Chester R. Longwell

Federal Scientific Research, p. 206

Chester R. Longwell

One World, Yet Different Biologies?, p. 206

Edgar T. Wherry

The Abstracting of Biological Films, p. 206

W. Malcolm Reid

Glutamine from Rye Grass, pp. 206-207

G. J. Raleigh

Captain Jenkins' Views, p. 207

Paul D. Harwood; E. C. Koerper

Pancreatic Enzymes and Liver Fat, p. 207

C. H. Best

Absorption of Phenol Vapors by Plants, pp. 207-208

E. G. Beinhart

Book Reviews

----------------, p. 210

Industrial Oil and Fat Products

Alton E. Bailey

Review author[s]: Herbert E. Longenecker

----------------, p. 210

Vitamins and Hormones: Advances in Research and Application

Robert S. Harris; Kenneth V. Thimann

Review author[s]: C. A. Elvehjem

----------------, pp. 210-211

Advances in Protein Chemistry

M. L. Anson; John T. Edsall

Review author[s]: Jesse P. Greenstein

Scientific Book Register, p. 212
Catalogue Corner, p. 212

Previous Issue: New Series, Vol. 103, No. 2667, Feb. 8, 1946
Next Issue: New Series, Vol. 103, No. 2669, Feb. 22, 1946

Science, New Series, Vol. 103, No. 2669, Feb. 22, 1946

Previous Issue: New Series, Vol. 103, No. 2668, Feb. 15, 1946
Next Issue: New Series, Vol. 103, No. 2670, Mar. 1, 1946

Front Matter (2 pp.)
Remarks on the History of the Exclusion Principle, pp. 213-215

Wolfgang Pauli

Introductory Remarks, pp. 215-216

Frank Aydelotte

Encomium, pp. 216-218

Hermann Weyl

Technical Papers

The High Ascorbic Acid Content of the West Indian Cherry, p. 219

Conrado F. Asenjo; Ana Rosa Freire De Guzmán

Motherless Males from Irradiated Eggs, pp. 219-220

Anna R. Whiting

Diabetes Produced by Feeding Alloxan to Cats, pp. 220-221

J. A. Ruben; K. Yardumian

Sex Hormonal Action and Chemical Constitution, pp. 221-223

F. W. Schueler

Effect of Altitude Anoxia in Provoking Relapse in Malaria, p. 223

Clifton D. Howe; Fratis L. Duff

The Transmission of Litomosoides Carinii, Filariid Parasite of the Cotton Rat, by the Tropical Rat Mite, Liponyssus bacoti, p. 224

Roger W. Williams; Harold W. Brown

Science Legislation

Text of the New Kilgore-Magnuson Bill, pp. 225-230

Association Affairs

Housing Arrangements in St. Louis, p. 231

News and Notes, pp. 231-234

Letters to the Editor

CO2 Baths, p. 235

Croom Beatty

The Age of Lake Cahuilla, p. 235

T. D. A. Cockerell

A Critique of the "Exact" Natural Sciences, pp. 235-236

G. M. Kosolapoff

Pandora's Box, p. 236

Joel W. Hedgpeth

Book Reviews

----------------, p. 238

The Falling Sickness: A History of Epilepsy from the Greeks to the Beginnings of Modern Neurology

Owsei Temkin

Review author[s]: H. Houston Merritt

----------------, pp. 238-239

Engineering Preview: An Introduction to Engineering Including the Necessary Review of Science and Mathematics

L. E. Grinter; Harry N. Holmes; H. C. Spencer; Rufus Oldenburger; Charles Harris; R. G. Kloeffler; V. M. Faires

Review author[s]: I. Melville Stein

----------------, pp. 239-240

Infrared and Raman Spectra of Polyatomic Molecules

Gerhard Herzberg

Review author[s]: Richard M. Badger

----------------, p. 240

Uranium and Atomic Power

Jack De Ment; H. C. Dake

Review author[s]: W. F. Libby

Previous Issue: New Series, Vol. 103, No. 2668, Feb. 15, 1946
Next Issue: New Series, Vol. 103, No. 2670, Mar. 1, 1946

Science, New Series, Vol. 103, No. 2670, Mar. 1, 1946

Previous Issue: New Series, Vol. 103, No. 2669, Feb. 22, 1946
Next Issue: New Series, Vol. 103, No. 2671, Mar. 8, 1946

Science and Man's Dilemma, pp. 241-245

Bruce L. Melvin

Association Affairs

Revision of the Association's Constitution, pp. 245-250

Otis W. Caldwell; Burton E. Livingston; F. R. Moulton

Audit of Financial Records of the Association for 1944, pp. 250-258

F. R. Moulton

Program Ninth AAAS-Gibson Island Conference, 17 June--24 August: Frontiers in Chemistry, pp. 259-261

Sumner B. Twiss

Meeting Notes, pp. 262-270

Science Legislation

The National Science Foundation: S. 1850, Final Senate Bill, pp. 270-273

Howard A. Meyerhoff

Science Exhibition: Kiel Memorial Hall, St. Louis, 27-30 March 1946, pp. 273-279

Letters to the Editor

Pectin Intravenously, p. 280

W. E. Baier; E. F. Bryant; G. H. Joseph; G. H. Palmer

Pectin Intravenously, p. 280

W. E. Baier; E. F. Bryant; G. H. Joseph; G. H. Palmer

Genetical Studies of the Sesame Flower, p. 280

D. G. Langham

A Possible Source of Atmospheric N2O, p. 280

Arthur Adel

The Function of Psychology, pp. 280-281

T. D. A. Cockerell

Water Loss from the Respiratory Tract in the Subtropics, p. 281

Charles F. Brooks

Rediscovery in the Vitamin A Field, p. 281

E. Lester Smith

Rediscovery in the Vitamin A Field, p. 281

E. Lester Smith

Freedom of Science in Soviet Union, p. 281

Vladimir C. Asmous

Freedom of Science in Soviet Union, p. 281

Vladimir C. Asmous

Freedom of Science in Soviet Union, pp. 281-282

Vladimir C. Asmous

Present Status of Foreign Herbaria and Museums, pp. 282-283

F. Raymond Fosberg; William W. Diehl

Recent Contributions to the Theory of Random Functions, pp. 283-284

N. Levinson; W. Pitts; W. F. Whitmore

A Publicity Victim, p. 284

B. W. Wells

Blood Group Factors and Ethnic Relationships, p. 284

M. F. Ashley Montagu

Book Reviews

----------------, p. 285

Physical Methods of Organic Chemistry

Arnold Weissberger

Review author[s]: Louis P. Hammett

----------------, pp. 285-286

Cambrian History of the Grand Canyon Region

Edwin D. McKee; Charles E. Resser

Review author[s]: Christina Lochman

----------------, pp. 286-287

Physical Chemistry of Cells and Tissues

Rudolf Höber

Review author[s]: Robert Chambers

Scientific Book Register, p. 287
Catalogue Corner, p. 288

Previous Issue: New Series, Vol. 103, No. 2669, Feb. 22, 1946
Next Issue: New Series, Vol. 103, No. 2671, Mar. 8, 1946

Science, New Series, Vol. 103, No. 2671, Mar. 8, 1946

Previous Issue: New Series, Vol. 103, No. 2670, Mar. 1, 1946
Next Issue: New Series, Vol. 103, No. 2672, Mar. 15, 1946

Front Matter (2 pp.)
The Neutron, the Intermediate or Compound Nucleus, and the Atomic Bomb, pp. 289-302

William Draper Harkins

Obituary

Thomas J. Maney: 1888-1945, p. 302

A. T. Erwin

Bruce Lawrence Clark: 1880-1945, p. 302

Charles L. Camp

Technical Papers

The Effect of B-Pyracin and the Lactobacillus casei Factor upon Hemoglobin Regeneration Following Hemorrhage, pp. 303-304

M. L. Scott; L. C. Norris; G. F. Heuser

The Site of Action of DDT in the Cockroach, pp. 304-306

Kenneth D. Roeder; Elizabeth A. Weiant

Molecular Weights and Other Properties of Viruses as Determined by Light Absorption, pp. 306-308

Gerald Oster

News and Notes, pp. 308-314

Letters to the Editor

Nuclear Energy and the Polar Icecap, p. 316

Raymond T. Ellickson

Transmission of Papaya Bunchy Top by a Leaf Hopper of the Genus Empoasca, p. 316

José Adsuar

Geopathology, a Branch of Biometeorology, pp. 316-317

Frederick Sargent

Retention of High School Science, pp. 317-318

Cyril E. Abbott

Catalogue Corner, p. 318

Previous Issue: New Series, Vol. 103, No. 2670, Mar. 1, 1946
Next Issue: New Series, Vol. 103, No. 2672, Mar. 15, 1946

Science, New Series, Vol. 103, No. 2672, Mar. 15, 1946

Previous Issue: New Series, Vol. 103, No. 2671, Mar. 8, 1946
Next Issue: New Series, Vol. 103, No. 2673, Mar. 22, 1946

Front Matter (2 pp.)
The Millionth Map of Hispanic America, pp. 319-323

Isaiah Bowman

Congratulatory Address, pp. 323-325

Spruille Braden

Technical Papers

Deposition of Calcium Phosphates Accompanying Senile Degeneration and Disease, p. 326

Clifford Frondel; Edwin L. Prien

Rate of Enzymic Digestion of Proteins as a Factor in Nutrition, pp. 326-329

Daniel Melnick; Bernard L. Oser; Sidney Weiss

A ``Frenching'' Response of Tobacco Seedlings to Isoleucine, pp. 329-330

Robert A. Steinberg

On the Specificity of Epidemic and Murine Typhus, pp. 330-331

Vincent Groupé; Richard Donovick

The Target Area of Mammalian Red Cells, p. 331

Eric Ponder

Soil Nitrogen and Thrips Injury to Spinach, pp. 331-332

S. H. Wittwer; Leonard Haseman

Obituary

D. F. J. Lynch: 1891-1945, p. 332

Joseph T. Hogan

News and Notes, pp. 333-337

In the Laboratory

An Instrument for Determining the Partial Pressure of Oxygen in a Gas, p. 338

Linus Pauling; Reuben E. Wood; J. H. Sturdivant

Quantitative Differentiation of Minute Amounts of the Coproporphyrin Isomers (I and III) Based on Fluorescence Behavior, pp. 338-340

Samuel Schwartz; Violet E. Hawkinson; C. J. Watson

The Use of Ultraviolet Light in Tracing the Course of a Drug through the Body, pp. 340-341

Charles H. Taft

Modification of Metabolism Apparatus, pp. 341-342

W. James Leach

Letters to the Editor

The McDonald Observatory, p. 342

Otto Struve

Museum of Science and Industry, p. 342

Russell H. Anderson

Malaria and Rainfall Periodicity in Palestine, pp. 342-344

Erwin H. Ackerknecht; George F. Carter; H. De Terra

Virus Encephalomyelitis in Buffaloes, pp. 344+346

T. S. Sheng

Book Reviews

----------------, pp. 346-347

Principles of Physics III: Optics

Francis Weston Sears

Review author[s]: John R. Platt

----------------, pp. 347-348

The Chemical Process Industries

R. Norris Shreve

Review author[s]: James M. Church

----------------, p. 348

War Neuroses

Roy R. Grinker; John P. Spiegel

Review author[s]: Addison M. Duval

Scientific Book Register, p. 348

Previous Issue: New Series, Vol. 103, No. 2671, Mar. 8, 1946
Next Issue: New Series, Vol. 103, No. 2673, Mar. 22, 1946

Science, New Series, Vol. 103, No. 2673, Mar. 22, 1946

Previous Issue: New Series, Vol. 103, No. 2672, Mar. 15, 1946
Next Issue: New Series, Vol. 103, No. 2674, Mar. 29, 1946

Front Matter (2 pp.)
Can We Curb the Irresponsibles?, pp. 349-351

Lawrence K. Frank

Technical Papers

Hemolytic Streptococcal Sore Throat: Antibody Response Following Treatment with Penicillin, Sulfadiazine, and Salicylates, pp. 352-353

Lowell A. Rantz; Paul J. Boisvert; Wesley W. Spink

Blood Levels of Penicillin after Oral Administration with Various Antacids, pp. 353-355

Lloyd D. Seager

Studies on the Toxicity of Streptomycin for Man: A Preliminary Report, pp. 355-357

Robert A. Hettig; John D. Adcock

Complement-Fixing and Neutralizing Antibodies against Japanese B Virus in the Sera of Okinawan Horses, pp. 357-359

Horace L. Hodes; Lewis Thomas; John L. Peck

The Absorption of Orally Administered Penicillin, pp. 359-361

Walsh McDermott; Paul A. Bunn; Maria Benoit; Rebeckah DuBois; Mildred E. Reynolds

Effect of Penicillin on Growth of Alcaligenes fecalis, pp. 361-362

MacDonald Fulton; Charles E. Lankford; Martha Chilton

Intravenous Utilization of Partial Acid Hydrolysates of Proteins, p. 362

William C. Risser; Jay R. Schenck; Douglas V. Frost

The Presence in Normal Serum of Inhibiting Substances against Bacillus subtilis, pp. 363-364

C. W. Buggs; Bernice Bronstein; John Winslow Hirshfeld; Matthew A. Pilling

Preliminary Studies on the Absorption and Excretion of Streptomycin in Dogs, pp. 364-365

Boyd E. Graham; Milton J. Vander Brook; Marvin H. Kuizenga

The Activity of Streptomycin in Experimental Syphilis, p. 365

Wolcott B. Dunham; Geoffrey Rake

News and Notes, p. 366
Science Exhibition, pp. 367-369

Letters to the Editor

A Plea for Stabilized Progress, p. 370

R. J. Cordell

Broadcasting Congressional Sessions, p. 370

Maurice J. Kelley; Ralph G. Schaubhut

Federal Aid for Scientific Research, pp. 370-371

Jerome Alexander

In Support of a September Meeting of the AAAS, p. 371

Ruth M. Addoms; Lewis E. Anderson; H. L. Blomquist; Paul J. Kramer; Henry J. Oosting; H. W. Perry; F. A. Wolf

Radio Echoes from the Planets, p. 371

W. D. Hershberger

Competition between Two Entomogenous Bacteria, pp. 371-372

R. L. Beard

Relief Packages for Scientific Workers in Western Europe, pp. 372-373

Frans Verdoorn

Book Reviews

----------------, p. 374

Studies in Biophysics: The Critical Temperature of Serum (56°)

Lecomte du Noüy

Review author[s]: Otto Stuhlman

----------------, p. 374

Principles of Radio for Operators

Ralph Atherton

Review author[s]: Leonard F. Fuller

----------------, pp. 374+376

Electronics for Engineers

John Markus; Vin Zeluff

Review author[s]: W. D. Hershberger

----------------, p. 376

Human Biochemistry

Israel S. Kleiner

Review author[s]: Victor C. Myers

Previous Issue: New Series, Vol. 103, No. 2672, Mar. 15, 1946
Next Issue: New Series, Vol. 103, No. 2674, Mar. 29, 1946

Science, New Series, Vol. 103, No. 2674, Mar. 29, 1946

Previous Issue: New Series, Vol. 103, No. 2673, Mar. 22, 1946
Next Issue: New Series, Vol. 103, No. 2675, Apr. 5, 1946

Front Matter (2 pp.)
Is There "A Standard to Which the Wise and the Honest Can Repair"?, pp. 377-382

A. J. Carlson

Science Legislation

On the Floor of the Senate, p. 382

Howard A. Meyerhoff

Report on Science Legislation, pp. 383-384

Obituary

Theodore Crété Burnett: 1861-1945, p. 384

J. M. D. Olmsted

Technical Papers

A New Steric Effect in Organic Chemistry, pp. 385-387

Herbert C. Brown

The Detoxification by Acetylation of Soluble Antigens from Shigella Dysenteriae (Shiga) and E. Typhosa, pp. 387-389

Henry P. Treffers

On the Blocking Antibody and the Zone Phenomenon in Human Anti-Rh Sera, pp. 389-391

Philip Levine; R. K. Waller

Relapses Following Delayed Treatment of Naturally Induced Vivax Malaria of Pacific Origin, pp. 391-392

Harry H. Gordon; Alexander Marble; William W. Engstrom; Henry A. Brunsting; Stuart W. Lippincott

U. S. News and Notes, pp. 392-394
International News, pp. 395-397

In the Laboratory

Assay of p-Aminobenzoic Acid, p. 397

Derrol Pennington

Antagonism of Salicylate by Pantoyltaurine, pp. 398-399

Philip G. Stansly; Clara M. Alverson

Interference with the Antibacterial Action of Streptomycin by Reducing Agents, pp. 399-401

Amedeo Bondi; Catherine C. Dietz; Earle H. Spaulding

Water-Level Regulator for a Series of High-Temperature Water Baths, p. 401

I. I. Bezman; E. P. Barrett

Letters to the Editor

Soviet Scientists, p. 402

J. G. Tolpin

Thromboplastic Studies on Hemophilia, p. 402

David I. Macht; Marcus Ostro

The Presumptive Identification of Antibiotics, pp. 402-403

Philip G. Stansly

Regional Research Stations in Basic Science, p. 403

Lee R. Dice

Science--A Means to What End?, pp. 403-404

C. Reinold Noyes

Remarks on "Science and Man's Dilemma", p. 404

Carl D. Miller

Reply to Dr. Asmous on Russia, p. 404

Sergei Gaposchkin

Rediscovery of Vitamin A, pp. 404+406

K. Hickman

Inactive (Non-Oxygen-Combining) Hemoglobin in the Blood of Ophidia and Dogs, p. 406

J. Leal Prado

Book Reviews

----------------, pp. 406-407

Animal Breeding Plans

Jay L. Lush

Review author[s]: Clair E. Terrill

----------------, p. 407

Correlation of Cycles in Weather, Solar Activity, Geomagnetic Values, and Planetary Configurations

Maxwell O. Johnson

Review author[s]: C. G. Abbot

----------------, pp. 407-408

Statistical Methods: Applied to Experiments in Agriculture and Biology

George W. Snedecor

Review author[s]: F. M. Wadley

----------------, p. 408

Organic Preparations

Conrad Weygand

Review author[s]: M. L. Wolfrom

Previous Issue: New Series, Vol. 103, No. 2673, Mar. 22, 1946
Next Issue: New Series, Vol. 103, No. 2675, Apr. 5, 1946

Science, New Series, Vol. 103, No. 2675, Apr. 5, 1946

Previous Issue: New Series, Vol. 103, No. 2674, Mar. 29, 1946
Next Issue: New Series, Vol. 103, No. 2676, Apr. 12, 1946

Front Matter (2 pp.)
The Biological Actions and Therapeutic Applications of the B-Chloroethyl Amines and Sulfides, pp. 409-415+436

Alfred Gilman; Frederick S. Philips

Science and Our Future, pp. 415-417

E. U. Condon

Obituary

George Dunlap McLaughlin: 1887-1945, p. 418

Charles H. Behre; David B. Eisendrath

Technical Papers

Some Physical and Biologic Properties of Subtilin and Other Antibiotics, pp. 419-420

Hamilton H. Anderson; Gilberto G. Villela; Eder Lindsay Hansen; Racheal K. Reed

A Relation between Size of the Divalent Cation and Solubility of Triple Acetate Salt of Sodium, pp. 420-421

Lockhart B. Rogers

The Mechanism of the Therapeutic Effect of Iodine on the Thyroid Gland, pp. 421-422

Eduardo De Robertis; Wiktor W. Nowinski

Brain Involvement as a Possible Cause of Relapse after Treatment in Spirochetal Relapsing Fever, pp. 422-423

V. T. Schuhardt; Emmarie C. Hemphill

The Ambiguity of International Antitoxic Units, pp. 423-424

Ivan C. Hall

U. S. News and Notes, pp. 425-426
International News, pp. 427-428

In the Laboratory

A Vibrating Muller for the Preparation of Dispersions of Fine Pigments for Electron Microscopy, p. 429

Harold C. O'Brien

A Note on the Silencing of Air-Stirring Motors, pp. 429-430

W. H. Eberhardt

Letters to the Editor

Safeguarding Science in the NSF, p. 430

M. W. Welch

On the New Kilgore-Magnuson Bill--S. 1850, pp. 430-431

Alfred E. Cohn

The Amino Acid Composition of Proteins and Foods, pp. 431-432

R. J. Block; D. Bolling

Amino Acids in Food Materials, pp. 432+434

E. B. Hart

Book Reviews

----------------, pp. 434-435

One World or None: A Report to the Public on the Full Meaning of the Atomic Bomb

Dexter Masters; Katherine Way

Review author[s]: Morris C. Leikind

----------------, pp. 435-436

The Royal Society 1660-1940: A History of Its Administration under Its Charters

Henry Lyons

Review author[s]: Joel W. Hedgpeth

Previous Issue: New Series, Vol. 103, No. 2674, Mar. 29, 1946
Next Issue: New Series, Vol. 103, No. 2676, Apr. 12, 1946

Science, New Series, Vol. 103, No. 2676, Apr. 12, 1946

Previous Issue: New Series, Vol. 103, No. 2675, Apr. 5, 1946
Next Issue: New Series, Vol. 103, No. 2677, Apr. 19, 1946

Front Matter (2 pp.)
Advisory Committee on Scientific Personnel, p. 437

M. H. Trytten

Need for a Meaningful B.S. Degree, pp. 438-439
Canadian Researches on BAL (British Anti-Lewisite), pp. 439-440

Leslie Young

Technical Papers

Thiamine Deficiency and High Estrogen Findings in Uterine Cancer and in Menorrhagia, pp. 441-445

J. Ernest Ayre; W. A. G. Bauld

The Antibacterial Activity of Protamine Zinc Insulin, pp. 445-446

Carol Houck Bollenback; Sidney W. Fox

U. S. News and Notes, pp. 447-450
International News and Notes, pp. 451-453

In the Laboratory

A Method for Determining Bacterial Resistance and Susceptibility to Sulfonamides and Penicillin, pp. 454-455

Roger D. Reid; Dorothy Trotter Anderson

About the Chemical Nature of Syphilis Antigen, pp. 455-456

E. Fischer; F. Velasco

A Cheap and Speedy Method of Cleaning Old Microscope Slides, pp. 456-457

G. J. Spencer

Letters to the Editor

Sources of Our Future Scientists, pp. 457-458

Clarence J. Gamble

B-Glycoside Formation in Plants from Absorbed Chemicals, p. 458

Lawrence P. Miller

On Recognition of High School Science Training, pp. 458-459

Roswell Ward

Recent Additions to the Dudley Herbarium, p. 459

Ira L. Wiggins

New Use for DDT, pp. 459-460

Ernst T. Krebs

Book Reviews

----------------, pp. 460+462

Photosynthesis and Related Processes. Vol. I: Chemistry of Photosynthesis, Chemosynthesis and Related Processes in Vitro and in Vivo

Eugene I. Rabinowitch

Review author[s]: Selig Hecht

----------------, p. 462

Sampling Statistics and Applications: Fundamentals of the Theory of Statistics

James G. Smith; Acheson J. Duncan

Review author[s]: Raymond Franzen

----------------, pp. 462-463

The Bacterial Cell

René J. Dubos

Review author[s]: C. H. Werkman

Scientific Book Register, p. 464

Previous Issue: New Series, Vol. 103, No. 2675, Apr. 5, 1946
Next Issue: New Series, Vol. 103, No. 2677, Apr. 19, 1946

Science, New Series, Vol. 103, No. 2677, Apr. 19, 1946

Previous Issue: New Series, Vol. 103, No. 2676, Apr. 12, 1946
Next Issue: New Series, Vol. 103, No. 2678, Apr. 26, 1946

Front Matter (2 pp.)
War on Weeds, pp. 465-468+492

E. M. Hildebrand

Plant Growth Regulators, pp. 469-470

Obituary

John Campbell Merriam: 1869-1945, pp. 470-471

Chester Stock

Technical Papers

Use of 2,4-Dichlorophenoxyacetic Acid as a Selective Herbicide in the Tropics, pp. 472-473

J. Van Overbeek; Ismael Vélez

Control of Ragweed Pollen Production with 2,4-Dichlorophenoxyacetic Acid, pp. 473-474

Frederick G. Smith; Charles L. Hamner; Robert F. Carlson

Rapid Estimation of the Phytocidal Action of Chemicals, pp. 474-476

H. R. Offord

Tributyl Phosphate as a Solvent for Preparing Concentrated and Oil-Miscible Solutions of 2,4-Dichlorophenoxyacetic Acid and Similar Substances, p. 476

W. B. Ennis; H. E. Thompson; H. H. Smith

Treatment of Muck and Manure with 2,4-Dichlorophenoxyacetic Acid to Inhibit Germination of Weed Seeds, pp. 476-477

C. L. Hamner; J. E. Moulton; H. B. Tukey

Herbicidal Action of 2,4-Dichlorophenoxyacetic Acid on the Water Hyacinth, Eichornia Crassipes, pp. 477-479

E. M. Hildebrand

Science Legislation

Selective Service and Student Personnel, pp. 479-480

Howard A. Meyerhoff

U. S. News and Notes, pp. 480-482
International News and Notes, pp. 482-484

In the Laboratory

Inhibition of Fungus Respiration: A Metabolic Bio-Assay Method, pp. 484-486

Walter J. Nickerson

Letters to the Editor

Effects of New Herbicides on Fish, p. 487

Joseph E. King; William T. Penfound

Some Reflections on the Cause of Heat and Cold, p. 487

Anatol J. Shneiderov

Science in the Albuquerque High School, pp. 487-488

E. R. Harrington

More Reversed Winter Flounders, p. 488

J. C. Medcof

A Circular Slide Rule, p. 488

J. R. Dempster

Reply to Prof. Chamberlain, p. 488

Robert Kerr Dewar

Book Reviews

----------------, p. 490

Two-Way Radio

Samuel Freedman

Review author[s]: Frederick W. Grover

----------------, pp. 490-492

Sequential Analysis of Statistical Data: Applications

Review author[s]: James G. Smith

Previous Issue: New Series, Vol. 103, No. 2676, Apr. 12, 1946
Next Issue: New Series, Vol. 103, No. 2678, Apr. 26, 1946

Science, New Series, Vol. 103, No. 2678, Apr. 26, 1946

Previous Issue: New Series, Vol. 103, No. 2677, Apr. 19, 1946
Next Issue: New Series, Vol. 103, No. 2679, May 3, 1946

The Little Researcher, pp. 493-496

Carl G. Hartman

Technical Papers

Distemperoid Virus Interference in Canine Distemper, pp. 497-498

Robert G. Green; Cyril S. Stulberg

Availability of Carotene from Kale, pp. 498-499

Elsa Orent-Keiles; Elizabeth Crofts Callison; Jeanette Schaevitz; Ruth Frenchman

The Growth and Distribution of Murine Encephalomyelitis Virus in the Developing Chick Embryo, pp. 499-500

John T. Riordan; M. José Sá-Fleitas

Seed Pitting of the Lima Bean by Lygus Bugs in California, pp. 500-501

Kenneth F. Baker; William C. Snyder

Oral Penicillin X, pp. 501-503

Manson Meads; Edwin M. Ory; Maxwell Finland

The Beckmann Rearrangement of Aliphatic Ketoximes, p. 503

A. D. McLaren

Penicillin Production by a Superior Strain of Mold, pp. 504-505

Marvin J. Johnson; J. J. Stefaniak; F. B. Gailey; B. H. Olson

The Evolution of Oxygen from Illuminated Suspensions of Frozen, Dried, and Homogenized Chloroplasts, pp. 505-506

C. S. French; A. S. Holt; R. D. Powell; M. L. Anson

Association Affairs

The One Hundred Twelfth Meeting of the American Association for the Advancement of Science, pp. 506-507

F. R. Moulton

Meeting of the Council of the AAAS, pp. 507-509

Otis W. Caldwell

Sections and Societies, pp. 510-524

Howard A. Meyerhoff

News and Notes, pp. 524-534

In the Laboratory

Production of Penicillin X in "Submerged" Surface Cultures, pp. 535-537

Edith Stice; Robertson Pratt

A Low-Resistance Valve and Indicating Flowmeter for Respiratory Measurements, pp. 537-539

Leslie Silverman; Robert C. Lee

Letters to the Editor

Degradation of Streptomycin and the Structure of Streptidine and Streptamine, p. 540

H. E. Carter; R. K. Clark; S. R. Dickman; Y. H. Loo; P. S. Skell; W. A. Strong

Scientific Research and National Welfare, pp. 540-541

Leonard B. Loeb

Temperatures in Deep Wells and the Ice Age, p. 541

Karl Ver Steeg

Consultant Articles, pp. 541-542

Charles F. Bodecker

Research Service Laboratories, pp. 542-543

Paul J. Kramer

On Introductory Biology Courses, p. 543

Arthur C. Giese

On Introductory Biology Courses, p. 543

Arthur C. Giese

Support of Scientific Research, pp. 543-544

C. C. Little

Book Reviews

----------------, pp. 544-545

Pulmonary Edema and Inflammation

Cecil K. Drinker

Review author[s]: Herbert Chasis

----------------, p. 545

Insect Dietary: An Account of the Food Habits of Insects

Charles T. Brues

Review author[s]: W. Dwight Pierce

----------------, p. 545

Dvorine Color Perception Testing and Training Charts

Israel Dvorine

Review author[s]: Dean Farnsworth

Scientific Book Register, p. 546

Previous Issue: New Series, Vol. 103, No. 2677, Apr. 19, 1946
Next Issue: New Series, Vol. 103, No. 2679, May 3, 1946

Science, New Series, Vol. 103, No. 2679, May 3, 1946

Previous Issue: New Series, Vol. 103, No. 2678, Apr. 26, 1946
Next Issue: New Series, Vol. 103, No. 2680, May 10, 1946

Front Matter (2 pp.)
Hybrid Seed Corn, pp. 547-550

George Harrison Shull

Obituary

Thomas Hunt Morgan: 1866-1945, pp. 550-551

H. J. Muller

Clarence Erwin McClung: 1870-1946, pp. 551-552

D. H. Wenrich

Technical Papers

Occurrence of Mitotic Crossing-Over without Meiotic Crossing-Over, pp. 553-554

Germaine LeClerc

Linkage and Crossing-Over between Black Pigmentation and Susceptibility to Induced Fibrosarcoma in Mice, p. 554

Leonell C. Strong

Haploidy as a Factor in the Polymorphic Differentiation of the Hymenoptera, pp. 555-556

Stanley E. Flanders

Carcinogenic Substances from Pituitary Glands of Cattle, pp. 556-557

Henry K. Wachtel

Science Legislation

Statement concerning S. 1850, p. 558

News and Notes, pp. 559-566

In the Laboratory

Nucleosis of Skeletal Muscle: Its Value as a Biological Test, pp. 566-567

Rudolf Altschul

On the Fluorometric Determination of Nicotinamide, pp. 567-568

John V. Scudi

Chloride-Free Filter Paper, pp. 568-569

Daniel Cushing; Ralph N. Prince; Joseph Seiberlich

Letters to the Editor

Science and Mankind's Plight, pp. 569-570

G. Edgar Owen

The Atomic Bomb and the Anthropologists, p. 570

M. F. Ashley Montagu

Pathogenesis of Kernicterus, p. 570

Alexander S. Wiener; Matthew Brody

Genetics and Biological Theory, pp. 570+572

Alan Deakin

Are Scientists Irresponsibles?, pp. 572-573

L. A. Hawkins

Book Reviews

----------------, pp. 573-574

Chemical Crystallography: An Introduction to Optical and X-Ray Methods

C. W. Bunn

Review author[s]: Joseph S. Lukesh

----------------, p. 574

Principles of Dynamic Psychiatry: Including an Integrative Approach to Abnormal and Clinical Psychology

Jules H. Masserman

Review author[s]: Carl Binger

----------------, p. 574

Basic Electrical Engineering: Circuits, Machines, Electronics

A. E. Fitzgerald

Review author[s]: B. R. Teare

Previous Issue: New Series, Vol. 103, No. 2678, Apr. 26, 1946
Next Issue: New Series, Vol. 103, No. 2680, May 10, 1946

Science, New Series, Vol. 103, No. 2680, May 10, 1946

Previous Issue: New Series, Vol. 103, No. 2679, May 3, 1946
Next Issue: New Series, Vol. 103, No. 2681, May 17, 1946

Front Matter (2 pp.)
The Impact of the War on Medicine, pp. 575-578

A. N. Richards

Anatomy and the Concept of Analogy, pp. 578-579

Ernst Scharrer

Universal Military Service in Peacetime, pp. 579-581

Technical Papers

Synthesis of Biologically Active Vitamin A Substances, pp. 581-583

Nicholas A. Milas

Treatment of Severe Erythroblastosis by Simultaneous Removal and Replacement of the Blood of the Newborn Infant, pp. 583-584

Harry Wallerstein

The Apparent Antagonism between Vitamin A and Carotenoids in the Fowl, pp. 584-586

Max Rubin; H. R. Bird

The Effect of Tocopherols in Preventing Gastric Ulcers in Rats, pp. 586-587

James L. Jensen

Identification of Small Amounts of Organic Compounds by Distribution Studies. IV: Use of a Solid Phase, pp. 587-589

Lyman C. Craig; Calvin Columbic; Harold Mighton; Elwood Titus

Science Legislation

The Senate and S. 1850, pp. 589-590

Howard A. Meyerhoff

Association Affairs

AAAS Buys Washington Building Site, pp. 591-592

News and Notes, pp. 593-598

Letters to the Editor

The Serodiagnosis of Amebiasis, p. 598

John F. Kent; Charles R. Rein

Biology in College and High School, pp. 598-599

Walter C. Kraatz

Gift Packages Direct to Scientists in Europe, p. 599

Grace H. Smith

Histochemical Localization of Adenosinetriphosphatase, p. 599

David Glick

Sources of Future Scientists, pp. 599-600

Wm. Mayo Venable

Anent "Blood Relationship", pp. 600+602

E. Adamson Hoebel

Book Reviews

----------------, pp. 602-603

Animal Cytology and Evolution

M. J. D. White

Review author[s]: Emil Witschi

----------------, p. 603

Modern Plastics

Harry Barron

Review author[s]: Maurice E. Marks

Catalogue Corner, p. 604

Previous Issue: New Series, Vol. 103, No. 2679, May 3, 1946
Next Issue: New Series, Vol. 103, No. 2681, May 17, 1946

Science, New Series, Vol. 103, No. 2681, May 17, 1946

Previous Issue: New Series, Vol. 103, No. 2680, May 10, 1946
Next Issue: New Series, Vol. 103, No. 2682, May 24, 1946

Front Matter (2 pp.)
Medical Research Mission to the Soviet Union, pp. 605-608

A. Baird Hastings; Michael B. Shimkin

Functions and Development of a Tropical Marine Laboratory, pp. 609-611

F. G. Walton Smith

Obituary

Edwin Bissell Holt: 1873-1946, p. 612

Daniel Katz

Technical Papers

The Purification and Crystallization of Clostridium botulinum Type A Toxin, pp. 613-614

Carl Lamanna; Olive E. McElroy; Henning W. Eklund

The Isolation and Crystallization of Tetanal Toxin, pp. 615-616

Louis Pillemer; Ruth Wittler; Donald B. Grossberg

The Effect of the Prepartum Diet of the Cow on the Vitamin A Reserves of Her Newborn Offspring, pp. 616-618

G. H. Wise; M. J. Caldwell; J. S. Hughes

The Low Therapeutic Activity of Penicillin K Relative to That of Penicillins F, G. and X, and Its Pharmacological Basis, pp. 618-620

Harry Eagle; Arlyne Musselman

Direct Culture of Rheumatic Virus, pp. 620-621

Ward J. Mac Neal; Katherine Wardell; Anne Blevins; Marcello R. Pacis

News and Notes, pp. 621-627

In the Laboratory

The Lifwynn Eye-Movement Camera, pp. 628-629

Hans Syz

Inactivation of Penicillin by Zinc Salts, pp. 629-630

Hans Eisner; Bernardo Porzecanski

A Note on Staining Plasmodia, pp. 630-631

A. W. Ratcliffe

Letters to the Editor

The Fluorescence of Radium Burns, pp. 631-632

Jack De Ment

Interesting Observations in Dissections of the Frog, p. 632

James A. Mullen

The Plainview, Texas, Fossil Bison Quarry, p. 632

E. H. Sellards

On "The Rumbling of Thunder", pp. 632+634

J. Hollie Cross

A New and Effective Hemostatic Agent, p. 634

Clifton A. H. Smith

Actualités Medico-Chirurgicales, p. 634

Harold F. Blum

Note on the ``Purple'' Test for Alloxan, p. 634

R. Stuart Tipson; J. A. Ruben

The Record and the Metric System, p. 634

Arthur Bessey Smith

The Use of Aircraft for Oceanographic Surveys, p. 635

Lorin J. Mullins; Walter J. Nickerson

Notice about Sending Reprints to Austria, p. 635

F. Fromm

Book Reviews

----------------, p. 636

The Heating of Steel

M. H. Mawhinney

Review author[s]: A. L. Feild

----------------, p. 636

Handbook of Nonferrous Metallurgy. Pt. II: Recovery of the Metals

Donald M. Liddell

Review author[s]: Ben H. Alexander

Previous Issue: New Series, Vol. 103, No. 2680, May 10, 1946
Next Issue: New Series, Vol. 103, No. 2682, May 24, 1946

Science, New Series, Vol. 103, No. 2682, May 24, 1946

Previous Issue: New Series, Vol. 103, No. 2681, May 17, 1946
Next Issue: New Series, Vol. 103, No. 2683, May 31, 1946

Front Matter (1 p.)
Medical Research Mission to the Soviet Union: Part II, pp. 637-644

A. Baird Hastings; Michael B. Shimkin

Technical Papers

Acetylcholine Synthesis, pp. 645-646

Clara Torda; Harold C. Wolff

Granulocytopenia and Anemia in Rats Fed Diets of Low Casein Content, pp. 646-648

Arthur Kornberg; Floyd S. Daft; W. H. Sebrell

The Presence and Significance of a Leukopenic Factor in Inflammatory Exudates, pp. 648-649

Valy Menkin

The Comparative Toxicity of Thiourea to Four Mutants of Drosophila melanogaster, pp. 649-651

E. D. Goldsmith; Morris Henry Harnly

News and Notes, pp. 651-653

Letters to the Editor

The Effect of DDT on Cutaneous Sensations in Man, p. 654

Yin-Ch'ang Chin; Chi-Hsüeh T'ant

Arginine-free Diets and Intestinal Synthesis of Arginine, p. 654

H. L. Williams; E. M. Watson

The Successful Transfer of Ovaries between Dogs of Different Breed, pp. 654-655

Leon F. Whitney

Work of the International Commission on Zoological Nomenclature, pp. 655-656

Francis Hemming

Scientific Independence in Russia, p. 656

P. J. Olson

Book Reviews

----------------, p. 656

Essentials of General Chemistry

B. Smith Hopkins; John C. Bailar

Review author[s]: Laurence S. Foster

Previous Issue: New Series, Vol. 103, No. 2681, May 17, 1946
Next Issue: New Series, Vol. 103, No. 2683, May 31, 1946

Science, New Series, Vol. 103, No. 2683, May 31, 1946

Previous Issue: New Series, Vol. 103, No. 2682, May 24, 1946
Next Issue: New Series, Vol. 103, No. 2684, Jun. 7, 1946

Front Matter (1 p.)
The Nature and Need of Educational Research, pp. 657-661

Douglas E. Scates

Science and Life in the World, pp. 662-666

Technical Papers

The Structure and Synthesis of the Liver L. Casei Factor, pp. 667-669

Robert B. Angier; James H. Boothe; Brian L. Hutchings; John H. Mowat; Joseph Semb; E. L. R. Stokstad; Y. SubbaRow; Coy W. Waller; Donna B. Cosulich; M. J. Fahrenbach; M. E. Hultquist; Erwin Kuh; E. H. Northey; Doris R. Seeger; J. P. Sickels; James M. Smith

Famine Edema and the Mechanism of Its Formation, pp. 669-670

Ancel Keys; Henry Longstreet Taylor; Olaf Mickelsen; Austin Henschel

Antibacterial Action of Phenanthrene-Related Substances, pp. 670-671

Walter Raab

News and Notes, pp. 671-672

Letters to the Editor

Carbon Dioxide as an Essential Factor in the Bacterial Decomposition of Cellulose, p. 673

A. S. Perlin; M. Michaelis

Use of the Shay Rat for Assay of Antiulcer Substance, p. 673

Frances Pauls; Arne N. Wick; Eaton M. MacKay

Reprints to Denmark, p. 673

Henrik Dam

Differentiation of Antibiotics by Resistant Strains, pp. 673-674

P. C. Eisman; W. S. Marsh; R. L. Mayer

Nuclear Fission Bomb as Initiator of Earthquakes, pp. 674-675

Anatol James Shneiderov

Book Reviews

----------------, p. 676

New Drugs

Arthur D. Herrick

Review author[s]: L. Wait Rising

----------------, p. 676

Soap in Industry

Georgia Leffingwell; Milton Lesser

Review author[s]: A. Bondi

Previous Issue: New Series, Vol. 103, No. 2682, May 24, 1946
Next Issue: New Series, Vol. 103, No. 2684, Jun. 7, 1946

Science, New Series, Vol. 103, No. 2684, Jun. 7, 1946

Previous Issue: New Series, Vol. 103, No. 2683, May 31, 1946
Next Issue: New Series, Vol. 103, No. 2685, Jun. 14, 1946

Front Matter (1 p.)
On the Theory of Scales of Measurement, pp. 677-680

S. S. Stevens

Technical Papers

Apparent Visible Violet Radiation in the Recent Large Sunspot Group, pp. 681-682

James C. Bartlett

The Activity of Synthetic Folic Acid in Purified Rations for the Chick, pp. 682-684

T. D. Luckey; P. R. Moore; C. A. Elvehjem; E. B. Hart

Fluctuations in Abundance of Marine Animals, pp. 684-686

Martin D. Burkenroad

Hyaluronidase Inhibition by Sodium Salicylate in Rheumatic Fever, pp. 686-687

Francisco Guerra

Science Legislation

H.R. 6448, pp. 687-688

Howard A. Meyerhoff

Scientists Divided, p. 688

Watson Davis

News and Notes, pp. 689-692

Letters to the Editor

Rains of Fishes--Myth or Fact?, pp. 693-694

E. W. Gudger

Geopathology or Ethnopathology?, p. 694

Herbert Lieker

Geopathology or Ethnopathology?, p. 694

Herbert Lieker

A New Pennsylvania Meteorite, pp. 694-695

Henry Leighton

Another Superior Pith for Free-hand Sections, p. 695

R. L. Steyaert

Book Reviews

----------------, p. 696

The Endocrine Glands

Max A. Goldzieher

Review author[s]: R. G. Hoskins

----------------, p. 696

Endocrine Man: A Study in the Surgery of Sex

L. R. Broster

Review author[s]: R. G. Hoskins

----------------, p. 696

Transmission Lines, Antennas and Wave Guides

Ronold W. P. King; Harry Rowe Mimno; Alexander H. Wing

Review author[s]: A. E. Vivell

Previous Issue: New Series, Vol. 103, No. 2683, May 31, 1946
Next Issue: New Series, Vol. 103, No. 2685, Jun. 14, 1946

Science, New Series, Vol. 103, No. 2685, Jun. 14, 1946

Previous Issue: New Series, Vol. 103, No. 2684, Jun. 7, 1946
Next Issue: New Series, Vol. 103, No. 2686, Jun. 21, 1946

Front Matter (1 p.)
Availability of Radioactive Isotopes, pp. 697-705
A Nuclear Research Institute at Oak Ridge, pp. 705-706

Technical Papers

Interpretation of Resistance to Fusarium Wilt in Tomato, pp. 707-708

William C. Snyder; Kenneth F. Baker; H. N. Hansen

The Blood Parasites of the Blue Grouse, pp. 708-709

C. David Fowle

The Relative Effectiveness of Pure Penicillins G, X, and K, pp. 709-710

Robert D. Coghill; A. E. Osterberg; G. R. Hazel

News and Notes, pp. 710-712

Letters to the Editor

Concerning Rains of Fishes, p. 713

Bergen Evans

Why is Taxonomy Ill-Supported?, pp. 713-714

Carleton R. Ball

Cancer Research and Benefit to Patients, p. 714

Frederick S. Hammett

Book Reviews

----------------, p. 715

Marine Microbiology: A Monograph on Hydrobacteriology

Claude E. ZoBell

Review author[s]: Charles E. Renn

----------------, p. 716

Physical Chemistry for Premedical Students

John Page Amsden

Review author[s]: Scott E. Wood

----------------, p. 716

Advancing Fronts in Chemistry. Vol. I: High Polymers

Sumner B. Twiss

Review author[s]: Robert Simha

Previous Issue: New Series, Vol. 103, No. 2684, Jun. 7, 1946
Next Issue: New Series, Vol. 103, No. 2686, Jun. 21, 1946

Science, New Series, Vol. 103, No. 2686, Jun. 21, 1946

Previous Issue: New Series, Vol. 103, No. 2685, Jun. 14, 1946
Next Issue: New Series, Vol. 103, No. 2687, Jun. 28, 1946

Front Matter (2 pp.)
Physical Thinking and Social Problems, pp. 717-718

Gregory Bateson

Technical Papers

An Intestinal Antiseptic: 2-Sulfanilamido-5-Carboxythiazole, pp. 719-720

Philip S. Winnek

Pectoral Girdles Vs. Hyobranchia in the Snake Genera Liotyphlops and Anomalepis, pp. 720-722

Rosemary Warner

Interrelations between Choline, Betaine, and Methionine, pp. 722-723

H. J. Almquist

Science Legislation

Forum, p. 724

Why H.R. 6448 is the Better Bill, pp. 724+728-729

Homer W. Smith

Why S. 1850 is the Better Bill, pp. 724-725+729-730

Henry A. Wallace

Why I Am Biased in Favor of S. 1850, p. 725

Howard A. Meyerhoff

A United Front for S. 1850, p. 726

Robert Chambers

News and Notes, pp. 727-728

In the Laboratory

A Modification of the Ergograph, p. 731

F. W. Kinard; C. D. Coleman

Use of Wetting Agents in Histological Fixatives, pp. 731-732

Ralph L. Chermock; Hugh E. Muller

Letters to the Editor

Relative to the B.S. Degree, p. 733

J. C. Jensen

The Metric System and the Historical Record, p. 733

George W. Hervey

The Metric System and the Historical Record, pp. 733-734

George W. Hervey

A Dangerous Postwar Development in Science Teaching, p. 734

John R. Sampey

Death-Rate Study on a High Molecular Quaternary Ammonium Compound with Bacillus metiens, p. 734

Adrien S. DuBois; Diana Dibblee

Aspergillus or What?, p. 735

Charles Thom; Kenneth B. Raper

Book Reviews

----------------, p. 736

Chromosome Atlas of Cultivated Plants

C. D. Darlington; E. K. Janaki Ammal

Review author[s]: John M. Fogg

----------------, pp. 736+738

Die Methoden der Fermentforschung

Eugen Bamann; Karl Myrbäck

Review author[s]: Robert D. Coghill

----------------, p. 738

A Textbook of Bacteriology and Immunology

Joseph M. Dougherty; Anthony J. Lamberti

Review author[s]: Kenneth L. Burdon

----------------, p. 738

The Svedberg, 1884-1944

A. Tiselius; Kai O. Pedersen

Review author[s]: A. J. Carlson

Previous Issue: New Series, Vol. 103, No. 2685, Jun. 14, 1946
Next Issue: New Series, Vol. 103, No. 2687, Jun. 28, 1946

Science, New Series, Vol. 103, No. 2687, Jun. 28, 1946

Previous Issue: New Series, Vol. 103, No. 2686, Jun. 21, 1946
Next Issue: New Series, Vol. 104, No. 2688, Jul. 5, 1946

Volume Information (12 pp.)
Front Matter (2 pp.)
The Multiple Factor Theory of the Control of Respiratory Ventilation, pp. 739-744

John S. Gray

Technical Papers

Radioactivation of Colloidal Gamma Ferric Oxide, pp. 744-748

M. Blau; H. Sinason; O. Baudisch

The Age Factor in Adaptability of a Sarcoma Virus to Other Animal Species, pp. 748-749

F. Duran-Reynals

The Effects of Sex Hormones on the Copulatory Behavior of Senile White Rats, pp. 749-750

R. S. Minnick; C. J. Warden; S. Arieti

Obituary

Forrest Rhinehart Immer: 1899-1946, p. 751

H. K. Hayes

Homer Jay Wheeler: 1861-1945, pp. 751-752

Carl O. J. Wheeler

News and Notes, pp. 752-758

In the Laboratory

A Useful Selective Bactericidal Property of Tergitol-7, pp. 758-759

Arthur L. Pollard

A Method for Continuous Parenteral Administration of Penicillin and Other Drugs, p. 759

Baxter G. Noble

Letters to the Editor

Atomic Bombs and Novae, p. 760

Dean B. McLaughlin

Facts, Feelings, and Freedom of Science, p. 760

Vladimir C. Asmous

On Science and Government Subsidies, p. 761

Stanley F. Morse

New Units for the Measurement of Radioactivity, pp. 761-762

S. C. Lind

Thyroid Adenomas in Rats Receiving Selenium, p. 762

Joseph Seifter; W. E. Ehrich; George Hudyma; George Mueller

Cestode "Parasitized" by Acanthocephalan, p. 762

R. B. Miller

Antipurpuric Action of A-Tocopherol (Vitamin E), p. 762

Floyd Skelton; Evan Shute; H. G. Skinner; R. A. Waud

Book Reviews

----------------, p. 763

Fluorochemistry: A Comprehensive Study Embracing the Theory and Applications of Luminescence and Radiation in Physicochemical Science

Jack De Ment

Review author[s]: G. K. Rollefson

----------------, p. 764

Faune de France 44: Coléoptères bruchides et anthribides

Adolphe Hoffmann

Review author[s]: L. L. Buchanan

----------------, p. 764

Science and Scientists in the Netherlands Indies

Pieter Honig; Frans Verdoorn

Review author[s]: Egbert H. Walker

Scientific Book Register, p. 766
Catalogue Corner, p. 766

Previous Issue: New Series, Vol. 103, No. 2686, Jun. 21, 1946
Next Issue: New Series, Vol. 104, No. 2688, Jul. 5, 1946

Science, New Series, Vol. 104, No. 2688, Jul. 5, 1946

Previous Issue: New Series, Vol. 103, No. 2687, Jun. 28, 1946
Next Issue: New Series, Vol. 104, No. 2689, Jul. 12, 1946

Volume Information (1 p.)
Front Matter (1 p.)
New Perspectives in Forest Tree Breeding, pp. 1-3

F. I. Righter

Technical Papers

The Property of Certain Calcium Silicates to Impart Supersaturation of CaCO3 to Carbonatated Water Extractions, pp. 3-4

W. H. MacIntire; W. M. Shaw

The Habitat of the Snail Host of Schistosoma japonicum in the Philippines, p. 5

John Lawrence Avery

Systolic Effect by Sulfhydryl Reagents, pp. 5-6

Rafael Mendez

Reduction of Sympathetic Synaptic Transmission as an Index of Inhibition at Adrenergic Junctions in General, pp. 6-8

Amedeo S. Marrazzi

In the Laboratory

Mixtures of Solid Amino Acids for Microbiological Amino Acid Assay, p. 9

Louis B. Rockland; Max S. Dunn

Demonstration of the Bronchial Tree and Pulmonary Blood Vessels in the Fetal Pig, pp. 9-10

A. C. Clement

News and Notes, pp. 10-16

Letters to the Editor

Commercial Fertilizer in the Culture of Fresh-Water Algae, pp. 16-17

Nolan E. Rice

Misuse of the Linnaean System of Nomenclature, p. 17

A. Byron Leonard

Synthetic Hydrophilic Colloids as Soil Amendments, pp. 17-18

H. A. Wadsworth

Penicillin Action on the Germination of Seeds, p. 18

D. Fonseca Ribeiro

A Substitute for Microfilm Readers, p. 18

Jack D. Tiner

An Improved Slide Rule for the Addition of Squares, p. 18

Bernhard H. Dawson

Book Reviews

----------------, p. 19

Tihuanacu: The Cradle of American Man

Arthur Posnansky

Review author[s]: Julian H. Steward

----------------, pp. 19-20

Bibliographia araneorum: analyse méthodique de toute la litterature araneologique jusqu'en 1939

Pierre Bonnet

Review author[s]: Relis B. Brown

----------------, p. 20

Howell's Textbook of Physiology

John F. Fulton

Review author[s]: Dietrich C. Smith

Previous Issue: New Series, Vol. 103, No. 2687, Jun. 28, 1946
Next Issue: New Series, Vol. 104, No. 2689, Jul. 12, 1946

Science, New Series, Vol. 104, No. 2689, Jul. 12, 1946

Previous Issue: New Series, Vol. 104, No. 2688, Jul. 5, 1946
Next Issue: New Series, Vol. 104, No. 2690, Jul. 19, 1946

Some Recent Developments in the Field of Electron Microscopy, pp. 21-26

Ralph W. G. Wyckoff

Technical Papers

Radiochemical Changes in Some Fatty Acids, pp. 27-28

Richard E. Honig

Surface Phagocytosis -- Its Relation to the Mechanism of Recovery in Pneumococcal Pneumonia, pp. 28-29

W. Barry Wood; Mary Ruth Smith; Barbara Watson

Transplantation of Adult Filarial Worms, Litomosoides carinii, in Cotton Rats, pp. 30-31

D. R. A. Wharton

The Effect of Thiouracil upon Pigmentation in the Tadpole, p. 31

W. Gardner Lynn; Alfred De Marie

News and Notes, pp. 32-35

In the Laboratory

Modifications of Specimens in Electron Microscopy, pp. 35-36

L. Marton; N. N. Das Gupta; C. Marton

Frozen-Dried Preparations for the Electron Microscope, pp. 36-37

Ralph W. G. Wyckoff

Letters to the Editor

On the Mechanism of Action of Folic Acid and Liver Extract in the Treatment of Anemia, pp. 37-38

John Emerson Davis

Some Effects of Electronic Transitions upon Precision Thermometry, p. 38

W. R. Ham; C. H. Samans

Some Thoughts on ``Gene Action'', p. 38

Werner Braun

Meteor Crater, Arizona, pp. 38-39

Eliot Blackwelder

Book Reviews

----------------, p. 39

Encyclopédie entomologique. XXII: Les Coléoptères des denrées alimentaires et des produits industriels entreposés

P. Lepesme

Review author[s]: Bryant E. Rees

----------------, pp. 39-40

A Primer of Electrocardiography

George Burch; Travis Winsor

Review author[s]: Harold J. Stewart

----------------, pp. 40-41

The Mosquitoes of New Jersey and Their Control

Thomas J. Headlee

Review author[s]: Willard V. King

----------------, p. 41

Table of Arc Sin X and Tables of Associated Legendre Functions

Lyman J. Briggs; Arnold N. Lowan

Review author[s]: J. L. Walsh

----------------, p. 41

The University at the Crossroads

Henry E. Sigerist

Review author[s]: Chauncey D. Leake

Scientific Book Register, p. 42

Previous Issue: New Series, Vol. 104, No. 2688, Jul. 5, 1946
Next Issue: New Series, Vol. 104, No. 2690, Jul. 19, 1946

Science, New Series, Vol. 104, No. 2690, Jul. 19, 1946

Previous Issue: New Series, Vol. 104, No. 2689, Jul. 12, 1946
Next Issue: New Series, Vol. 104, No. 2691, Jul. 26, 1946

Thermodynamics of an Ice Age: The Cause and Sequence of Glaciation, pp. 43-47

Gilbert N. Lewis

Association Affairs

West Point and the AAAS, pp. 47-48

Sidney Forman

Science Legislation

S. 1850 in the House, p. 48

Howard A. Meyerhoff

Technical Papers

Spinal Cord Circulation in Poliomyelitis, pp. 49-50

Norman Nelson

The Effect of Thiouracil and Thyroactive Substances on Mouse Susceptibility to Poliomyelitis Virus, pp. 50-51

D. Frank Holtman

The Failure of Poliomyelitis Virus to Grow in Certain Protozoa of Sewage, pp. 51-53

C. A. Evans; K. L. Osterud

Influence of Anesthesia on Experimental Western Equine Encephalomyelitis, pp. 53-54

S. Edward Sulkin; Andres Goth; Christine Zarafonetis

News and Notes, pp. 55-59

In the Laboratory

Built-In Jacks for Plaster Casts, pp. 59-60

John Stanley

An Improved Method for Quantitative Impregnation of Textiles with Germicidal Emulsifiable Oils, pp. 60-61

The Research Staff

A Multiple Light Source Microscope, p. 61

George I. Lavin

Letters to the Editor

On the Need for Social Engineering, p. 62

Ralph W. Burhoe

Abbreviations of Generic Names, p. 62

C. E. Skinner

``The Little Researcher'', pp. 62-63

A. C. Warrington

Redwood Notes, pp. 63-64

Douglas Houghton Campbell

Survival Time of Hypertensive Rats Receiving Fish-Oil Extracts, p. 64

Francis Reichsman

Logic and the Science Curricula, p. 64

Clarence Archer Tryon

Book Reviews

----------------, p. 65

A Bibliography of Infantile Paralysis, 1789-1944: With Selected Abstracts and Annotations

Morris Fishbein

Review author[s]: Morris C. Leikind

----------------, p. 65

Inside the Vacuum Tube

John F. Rider

Review author[s]: Harner Selvidge

----------------, p. 66

Craniometry of Ambrym Island

Wilfrid D. Hambly

Review author[s]: W. W. Howells

----------------, p. 66

Colloid Chemistry: Theoretical and Applied. Vol. VI: General Principles and Specific Industries; Synthetic Polymers and Plastics

Jerome Alexander

Review author[s]: Karl Sollner

Previous Issue: New Series, Vol. 104, No. 2689, Jul. 12, 1946
Next Issue: New Series, Vol. 104, No. 2691, Jul. 26, 1946

Science, New Series, Vol. 104, No. 2691, Jul. 26, 1946

Previous Issue: New Series, Vol. 104, No. 2690, Jul. 19, 1946
Next Issue: New Series, Vol. 104, No. 2692, Aug. 2, 1946

The Orientation of an Undergraduate Medical Curriculum, pp. 67-70

Dana W. Atchley

International Conference on Magnetism Strasbourg, 21-24 May 1939, pp. 70-73

S. J. Barnett

Technical Papers

DDT as a Marine Antifouling Agent, pp. 74-75

John F. Marchand

The Therapeutic Effect of Folic Acid in Tropical Sprue, pp. 75-76

Tom D. Spies; Hillman Hospital; Birmingham; Alabama; Ramon M. Suarez; F. Hernandez-Morales

Food of Nymphs and Adults of Neoschöngastia indica (Hirst 1915), pp. 76-77

G. W. Wharton; R. K. Carver

Period of Effective Weed Control by the Use of 2,4-Dichlorophenoxyacetic Acid, pp. 77-79

Paul C. Marth; John W. Mitchell

News and Notes, pp. 79-84

In the Laboratory

Determination of Penicillin K by Partition Chromatography, pp. 84-85

Henry Fischbach; Merlin Mundell; Thomas E. Eble

Letters to the Editor

Sulfa Drugs and the Treatment of Furunculosis in Trout, pp. 85-86

James S. Gutsell

Sir Oliver Lodge, Lord Kelvin, and Hertzian Waves, p. 86

Francis C. Coulter

Inactivation of Hypertensin, p. 86

Eduardo Cruz Coke

Request for Reprints on Virus Diseases, pp. 86-87

Jonas E. Salk

On the Use of ``Fission'', p. 87

Ira M. Freeman

A Note on the Meaning of Normal, pp. 87-88

C. Daly King

Book Reviews

----------------, pp. 88-89

Biological Actions of Sex Hormones

Harold Burrows

Review author[s]: Carroll A. Pfeiffer

----------------, p. 89

The Chemistry of the Carbon Compounds, Vol. III: The Aromatic Compounds

Victor Von Richter

Review author[s]: Gustav Egloff

----------------, pp. 89-90

Organic Reagents for Organic Analysis

Staff of Hopkin and Williams Research Laboratory

Review author[s]: Remsen Ten Eyck Schenck

----------------, p. 90

The South African Fossil Ape Men: The Australopithecinae

Robert Broom; G. W. H. Schepers

Review author[s]: Loren C. Eiseley

Previous Issue: New Series, Vol. 104, No. 2690, Jul. 19, 1946
Next Issue: New Series, Vol. 104, No. 2692, Aug. 2, 1946

Science, New Series, Vol. 104, No. 2692, Aug. 2, 1946

Previous Issue: New Series, Vol. 104, No. 2691, Jul. 26, 1946
Next Issue: New Series, Vol. 104, No. 2693, Aug. 9, 1946

Plans and Problems in Nuclear Research, pp. 91-96

Farrington Daniels

Science Legislation

Obituary: National Science Foundation, 1946, pp. 97-98

Howard A. Meyerhoff

Association Affairs

Scientific Exhibits, p. 98

Technical Papers

On Reporting the Comparative Values and the Biological Activities of Chemotherapeutic Agents, pp. 99-100

Leonard Karel

4-Thio- and 2,4-Dithiobarbituric Acid Derivatives, pp. 100-101

Charles O. Wilson; James H. Boothe; James M. Dille

Influence of Streptomycin on Type b Haemophilus influenzae, pp. 101-102

Hattie E. Alexander; Grace Leidy

Urinary Recovery of Penicillin after Oral Administration with Antacids and Buffers, pp. 102-104

Milton J. Golden; Franz M. Neumeier

Transmission of Salmonella enteritidis by Pulex irritans and Ctenocephalus canis, pp. 104-105

Gerardo Varela; J. Olarte

The Eurasian Continental Glacier of the Late Pleistocene, pp. 105-106

William Herbert Hobbs

News and Notes, pp. 107-110

Letters to the Editor

Iodine as a Cytological Stain, p. 111

F. B. Adamstone; A. B. Taylor

DDT and the Black Widow Spider, p. 111

Walker Van Riper

Fairy Shrimps in California Rice Fields, pp. 111-112

Lauren E. Rosenberg

Asphyxiate and ''Anoxiate'', p. 112

Edward J. Van Liere

Book Reviews

----------------, pp. 112-113

Principles of Physics II: Electricity and Magnetism

Francis Weston Sears

Review author[s]: John R. Platt

----------------, p. 113

Pure Cultures of Algae: Their Preparation and Maintenance

E. G. Pringsheim

Review author[s]: Nolan E. Rice

----------------, p. 113

A Textbook of Biochemistry

Philip H. Mitchell

Review author[s]: Ross A. Gortner

----------------, pp. 113-114

The Principles and Practice of Tropical Medicine

L. Everard Napier

Review author[s]: Henry E. Meleney

Scientific Book Register, p. 114

Previous Issue: New Series, Vol. 104, No. 2691, Jul. 26, 1946
Next Issue: New Series, Vol. 104, No. 2693, Aug. 9, 1946

Science, New Series, Vol. 104, No. 2693, Aug. 9, 1946

Previous Issue: New Series, Vol. 104, No. 2692, Aug. 2, 1946
Next Issue: New Series, Vol. 104, No. 2694, Aug. 16, 1946

After One Hundred Years, pp. 115-116

Alexander Wetmore

Astrophysical Contributions of the Smithsonian Institution, pp. 116-119

C. G. Abbot

One Hundred Years of Smithsonian Anthropology, pp. 119-125

Frank H. H. Roberts

The Smithsonian: Pioneer in American Geology, pp. 125-129

Ray S. Bassler

The Background of the Smithsonian's Museum of Engineering and Industries, pp. 130-132

Frank A. Taylor

A Century of Progress in Smithsonian Biology, pp. 132-141

Remington Kellogg

A Century of Smithsonian Publications, pp. 141-142

W. P. True

The International Exchange Service, pp. 142-143

H. W. Dorsey

The Library of the Smithsonian Institution, pp. 143-145

Leila F. Clark

The Smithsonian Deposit in the Library of Congress, pp. 145-146

Morris C. Leikind

Letters to the Editor

Botanical Taxonomy, p. 146

T. D. A. Cockerell

Lightning-Like Phenomena on the Moon, p. 146

N. J. Giddings

Previous Issue: New Series, Vol. 104, No. 2692, Aug. 2, 1946
Next Issue: New Series, Vol. 104, No. 2694, Aug. 16, 1946

Science, New Series, Vol. 104, No. 2694, Aug. 16, 1946

Previous Issue: New Series, Vol. 104, No. 2693, Aug. 9, 1946
Next Issue: New Series, Vol. 104, No. 2695, Aug. 23, 1946

Inequalities in Adult Capacity--From Military Data, pp. 147-152

Walter V. Bingham

Obituary

Frank Michler Chapman: 1864-1945, pp. 152-153

John T. Zimmer

Association Affairs, p. 153

Technical Papers

Observations of Behavioral Development in the Loggerhead Turtle (Caretta caretta), pp. 154-156

Karl U. Smith; Robert S. Daniel

The Concentration of 39K and 41K by Balanced Ion Migration in a Counterflowing Electrolyte, pp. 156-157

A. Keith Brewer; S. L. Madorsky; J. W. Westhaver

Determination of Total Body Water and Solids with Isotopes, pp. 157-160

Francis D. Moore

The Growth Response of Tetrahymena geleii W to Folic Acid and to the Streptococcus lactis R Factor, pp. 160-161

George W. Kidder; R. Clinton Fuller

News and Notes, pp. 161-166

Letters to the Editor

History of a Three-Color Mixer, p. 166

Jozef Cohen

Social Theory and Social Engineering, pp. 166-167

G. Evelyn Hutchinson

Coordination of Cancer Research, pp. 167-168

K. S. Pilcher

Human Breast Cancer and the Milk Factor, pp. 168-169

Madge Thurlow Macklin

Book Reviews

----------------, p. 169

College Mathematics: A General Introduction

Charles H. Sisam

Review author[s]: Susan M. Rambo

----------------, pp. 169-170

The Cavendish Laboratory

Alexander Wood

Review author[s]: Duane Studley

----------------, p. 170

The North American Clear-Wing Moths of the Family Aegeriidae

George Paul Engelhardt

Review author[s]: Rowland R. McElvare

Previous Issue: New Series, Vol. 104, No. 2693, Aug. 9, 1946
Next Issue: New Series, Vol. 104, No. 2695, Aug. 23, 1946

Science, New Series, Vol. 104, No. 2695, Aug. 23, 1946

Previous Issue: New Series, Vol. 104, No. 2694, Aug. 16, 1946
Next Issue: New Series, Vol. 104, No. 2696, Aug. 30, 1946

Science Librarianship, pp. 171-173

Judith Wallen Hunt

International Cooperation in Scientific Documentation, pp. 174-175

Atherton Seidell

Scientific Publication as Affected by War and Politics, pp. 175-177

Samuel W. Fernberger

A New Classification System for Chemical Compounds, pp. 177-178

D. E. H. Frear; E. J. Seiferle; H. L. King

Better Titles, More Effective Publication, pp. 179-180

O. A. Stevens

On the Preparation of Extensive Bibliographies, pp. 180-181

Joseph A. Shaw; Elton Fisher

Punch Cards for Indexing Scientific Data, p. 181

C. F. Bailey; Robert S. Casey; Gerald J. Cox

A Simple System for Reprint Filing, pp. 181-182

L. R. Richardson

Obituary

Louis A. Slotin: 1912-1946, pp. 182-183

H. L. Anderson; A. Novick; P. Morrison

News and Notes, pp. 183-190

Letters to the Editor

Inactive by Internal Compensation, pp. 190-191

George F. Wright

Relation between the Diamagnetic Susceptibilities of Ions in Solution and in the Crystalline State, p. 191

F. H. Lee

A Comment on Discoveries in the Vitamin A Field, p. 191

Arnold Lowman

Book Reviews

----------------, p. 192

Hematology: For Students and Practitioners

Willis M. Fowler

Review author[s]: S. P. Lucia

----------------, p. 192

Manual of Electroencephalography for Technicians

Robert S. Ogilvie

Review author[s]: Chester W. Darrow

----------------, p. 192

Psychology: The Fundamentals of Human Adjustment

Norman L. Munn

Review author[s]: C. M. Louttit

Previous Issue: New Series, Vol. 104, No. 2694, Aug. 16, 1946
Next Issue: New Series, Vol. 104, No. 2696, Aug. 30, 1946

Science, New Series, Vol. 104, No. 2696, Aug. 30, 1946

Previous Issue: New Series, Vol. 104, No. 2695, Aug. 23, 1946
Next Issue: New Series, Vol. 104, No. 2697, Sep. 6, 1946

Research in the Social Sciences, pp. 193-197

Holbrook Working

Association Affairs

Call for Papers: 113th Meeting, Boston, 26-31 December 1946, pp. 197-198

Special Notices, p. 198

Judges Named for AAAS-George Westinghouse Science Writing Award, p. 198

Technical Papers

Species Density Analysis of Silicate Glass Structure, pp. 199-201

Joseph S. Lukesh

Mechanism of Spontaneous Cure in Puberty of Ringworm of the Scalp, pp. 201-203

Stephen Rothman; Adelaide M. Smiljanic; Alfred W. Weitkamp

Inhibition of the Catalyzed Thermal Decomposition of DDT, pp. 203-204

Francis A. Gunther; Lois R. Tow

News and Notes, pp. 204-207

Letters to the Editor

Terrestrial Thermodynamics of an Ice Age, p. 208

Knight Dunlap

Effect of Streptomycin on Budwood Infected with Phytomonas pruni, p. 208

J. G. Brown; Don M. Heep

Isolation of Type a Influenza Virus in Recent Epidemic in Chicago Area, pp. 208-209

George F. Forster; Howard J. Shaughnessy

Initiation of Geological Investigations in the Panama Canal Zone, p. 209

T. Wayland Vaughan

On the Term ``Normality Factor'', pp. 209-210

James H. M. Henderson

Rockets Vs. Meteoroids, p. 210

Fletcher Watson

Rediscovery in the Vitamin C Field, pp. 210-211

R. Roseman; B. W. Allan

The Occurrence of Crystalline Naringin on Grapefruit Rind, p. 211

George L. Keenan

Book Reviews

----------------, pp. 211-212

Rockets

Robert H. Goddard

Review author[s]: Richard B. Kershner

----------------, pp. 212-213

Handbook of South American Indians. Vol. I: The Marginal Tribes; Vol. II: The Andean Civilizations

Julian H. Steward

Review author[s]: Clyde Kluckhohn

Scientific Book Register, p. 214

Previous Issue: New Series, Vol. 104, No. 2695, Aug. 23, 1946
Next Issue: New Series, Vol. 104, No. 2697, Sep. 6, 1946

Science, New Series, Vol. 104, No. 2697, Sep. 6, 1946

Previous Issue: New Series, Vol. 104, No. 2696, Aug. 30, 1946
Next Issue: New Series, Vol. 104, No. 2698, Sep. 13, 1946

Acceleration: Disgrace or Challenge?, pp. 215-219

S. L. Pressey

Technical Papers

Effect of Some Sulfhydryl-Containing Substances on the Toxicity of an Organic Mercurial Compound, pp. 220-221

W. K. Long; A. Farah

The Mechanism of Myotonic Contraction, pp. 221-222

Alfredo Lanari

Biological Incorporation of a Choline Homologue into Liver Phospholipids, pp. 222-223

C. S. McArthur

The Effect of Alloxan on the in vitro Formation of Glucose by the Liver, p. 223

Attilio Canzanelli; Ruth Guild; David Rapport

News and Notes, pp. 224-227

In the Laboratory

Agar Technique for Arresting Movement in Protozoa, p. 227

W. S. Bullough

A Simple and Accurate Soil Fumigant Injection Apparatus, pp. 227-228

Carl T. Schmidt

A Spectrophotometric Method for the Determination of p,p′ -DDT, pp. 228-230

Roger M. Herriott

Letters to the Editor

The Ascorbic Acid Content of Some Malpighia Fruits and Jellies, pp. 230-231

Margaret J. Mustard

Notes on the Results of Army Intelligence Testing in World War I, pp. 231-232

F. L. Marcuse; M. E. Bitterman

Embryonic Induction in Regenerating Mesenchyme, pp. 232-233

Henry S. Emerson

Mustard Gas Mutations in Neurospora, pp. 233-234

N. H. Horowitz; M. B. Houlahan; M. G. Hungate; B. Wright

Book Reviews

----------------, p. 234

Human Embryology (Prenatal Development of Form and Function)

W. J. Hamilton; J. D. Boyd; H. W. Mossman

Review author[s]: F. B. Adamstone

----------------, p. 235

Preventive Medicine and Public Health

Wilson G. Smillie

Review author[s]: J. P. Gray

----------------, pp. 235-236

The Indians of the Southeastern United States

John R. Swanton

Review author[s]: Maurice A. Mook

Previous Issue: New Series, Vol. 104, No. 2696, Aug. 30, 1946
Next Issue: New Series, Vol. 104, No. 2698, Sep. 13, 1946

Science, New Series, Vol. 104, No. 2698, Sep. 13, 1946

Previous Issue: New Series, Vol. 104, No. 2697, Sep. 6, 1946
Next Issue: New Series, Vol. 104, No. 2699, Sep. 20, 1946

The Naval Ordnance Laboratory, pp. 237-238

White Oak

Fifty Years of Physics--A Study in Contrasts, pp. 238-244

Gordon Ferrie Hull

Technical Papers

The Similarity of the Effect of Podophyllin and Colchicine and Their Use in the Treatment of Condylomata Acuminata, pp. 244-245

Lester S. King; Maurice Sullivan

X-Ray-Induced Depolymerization of Thymonucleohistone and of Sodium Thymonucleate, pp. 245-246

A. H. Sparrow; Florence M. Rosenfeld

Effect of Long Ultraviolet Radiation on the Human Eye, pp. 246-247

Elek Ludvigh; V. Everett Kinsey

Maintenance of Respiratory Activity in Stored Peripheral Nerve, p. 247

Joseph Wortis; Rema Lapouse

A High Rate of Natural Plasmodium Infection in Anopheles crucians, pp. 247-248

Curtis W. Sabrosky; G. E. McDaniel; R. F. Reider

News and Notes, pp. 248-251

In the Laboratory

Saccharose-Fermenting Diphtheria Bacilli, pp. 252-253

Evelyn A. Mauss; Margaret J. Keown

A Method for Immunological and Chemical Investigations of Body Fluids by means of Purified Gelatin, pp. 253-254

Oscar Kanner

A Method for Obtaining Standard Suspensions of Tubercle Bacilli in the Form of Single Cells, pp. 254-255

W. F. Wells

Letters to the Editor

Comparative Digestibilities of Plastic Shortenings Made from Lard and from Hydrogenated Vegetable Oils, pp. 255-256

Karl F. Mattil; Jim W. Higgins; H. E. Robinson

The Fireland Tribes of Chile, p. 256

A. Lipschutz

On Opinions of the International Commission on Zoological Nomenclature, pp. 256-257

J. Chester Bradley

Successful Interchange of Ovaries between Albino Rats and Mice, p. 257

James M. Sanders

Lomonósov and the Concept of Heat, pp. 257-258

LeRoy S. Weatherby

Book Reviews

----------------, p. 258

Diseases of the Skin

George Clinton Andrews

Review author[s]: Carroll S. Wright

----------------, p. 258

Forest Tree Breeding and Genetics

R. H. Richens

Review author[s]: Kenneth P. Davis

Previous Issue: New Series, Vol. 104, No. 2697, Sep. 6, 1946
Next Issue: New Series, Vol. 104, No. 2699, Sep. 20, 1946

Science, New Series, Vol. 104, No. 2699, Sep. 20, 1946

Previous Issue: New Series, Vol. 104, No. 2698, Sep. 13, 1946
Next Issue: New Series, Vol. 104, No. 2700, Sep. 27, 1946

Influences on Dental Defects in Naval Personnel, pp. 259-263

C. A. Schlack; J. E. Birren

Association Affairs

Call for Papers, p. 263

Microbiological Section, Botanical Society of America, p. 263

Technical Papers

Interactions between Proteins and Azosulfonamides, p. 264

I. M. Klotz; J. M. Longfellow; O. H. Johnson

The Relation of Manganese to Internal Bark Necrosis of Apple, pp. 265-266

Anthony Berg; Genevieve Clulo

Two New Effective Insect Repellents, NMRI-201 and NMRI-448, pp. 266-269

L. A. Jachowski; M. Pijoan

Passage of the Ring Spot Virus through Mazzard Cherry Seeds, pp. 269-270

L. C. Cochran

News and Notes, pp. 270-273

In the Laboratory

The Composition of Streptomycin Reineckate, pp. 273-274

J. Fried; O. Wintersteiner

Infrared Emission Spectra of Liquids, pp. 274-275

S. Frederick Kapff

Dropping Device for Cylinder Plate Assay of Penicillin, p. 275

Velma L. Chandler; Robert D. Shaw

Letters to the Editor

On Printing Wings of Insects for the Study of Venation, p. 276

Darrell T. Sullivan

Newton and Applied Mathematics, p. 276

Edwin B. Wilson

Prior Use of the Rutherford Unit, p. 276

Jerome Alexander

Prior Use of the Rutherford Unit, p. 276

Jerome Alexander

An Improved Synthesis of N-Methyl-L-Glucosaminic Acid, pp. 276-277

M. L. Wolfrom; Alva Thompson; I. R. Hooper

The Rh System in the Chimpanzee, p. 277

A. E. Mourant; R. R. Race

Misuse of the Linnaean System of Nomenclature, pp. 277-278

J. Brookes Knight; R. E. Blackwelder

Inhibition of Surface Growth, p. 278

James M. Sanders

Book Reviews

----------------, pp. 278-279

Structural Inorganic Chemistry

A. F. Wells

Review author[s]: E. St. Clair Gantz

----------------, p. 279

A History of the Conic Sections and Quadric Surfaces

Julian Lowell Coolidge

Review author[s]: R. J. Walker

----------------, pp. 279-280

The Psychoanalytic Theory of Neurosis

Otto Fenichel

Review author[s]: Franz Alexander

Scientific Book Register, p. 280

Previous Issue: New Series, Vol. 104, No. 2698, Sep. 13, 1946
Next Issue: New Series, Vol. 104, No. 2700, Sep. 27, 1946

Science, New Series, Vol. 104, No. 2700, Sep. 27, 1946

Previous Issue: New Series, Vol. 104, No. 2699, Sep. 20, 1946
Next Issue: New Series, Vol. 104, No. 2701, Oct. 4, 1946

The World Health Organization, pp. 281-283

Michael B. Shimkin

Teaching Personnel, pp. 284-285

M. H. Trytten

Obituary

Velyien Ewart Henderson: 1877-1945, pp. 285-286

A. D. Welch

Technical Papers

Formation of Hyalite and Opal, pp. 286-287

Alcon C. Copisarow; Maurice Copisarow

The Metabolism of a Very Small Mammal, pp. 287-289

Peter R. Morrison; Oliver P. Pearson

The Milk Factor in Blood, p. 289

Samuel Graff; Henry T. Randall; Gray E. Carpenter; Cushman D. Haagensen

Colistatin: A New Antibiotic Substance with Chemotherapeutic Activity, pp. 289-290

G. F. Gause

News and Notes, pp. 291-299

In the Laboratory

An Indwelling Arterial Needle for Use in the Radial Artery, pp. 299-300

J. P. Henry; P. O. Greeley; V. L. Frykman; L. Peterson

Letters to the Editor

Origin of Microseisms, pp. 300-301

James B. Macelwane

Verb Derived from ``Fission'', p. 301

G. M. Kosolapoff

Adjective Derived from ``Fission'', p. 301

John Davis Buddhue

Successful Use of Oxidized Cellulose in Surgery of the Uterus, pp. 301-302

Harley E. Anderson; A. R. McIntyre

Trophoblast Elements in Cancer, p. 302

Ernst T. Krebs; Charles Gurchot

Japanese Scientists and the POW's, pp. 302-303

Samuel A. Goldblith

Two Kinds of Neutrons?, p. 303

Jack De Ment

Quantification of Micronutrients, p. 303

Harold N. Simpson

Complement Fixation in Rats' Blood Sera, p. 303

Gerardo Varela; Carlos Ortiz Mariotte; Roberto Silva

A Relativistic Misconception, pp. 303-304

C. Roland Eddy

Book Reviews

----------------, pp. 304-305

Scientific, Medical and Technical Books Published in the United States of America, 1930-1944: A Selected List of Titles in Print with Annotations

R. R. Hawkins

Review author[s]: Morris C. Leikind

----------------, p. 305

An Introduction to the Study of Eclipsing Variables

Zdenek Kopal

Review author[s]: Dean B. McLaughlin

----------------, pp. 305-306

A Future for Preventive Medicine

Edward J. Stieglitz

Review author[s]: Fred J. Wampler

----------------, p. 306

L'action des toxiques sur la cellule en division

Paul Sentein

Review author[s]: Ivor Cornman

Scientific Book Register, p. 306

Previous Issue: New Series, Vol. 104, No. 2699, Sep. 20, 1946
Next Issue: New Series, Vol. 104, No. 2701, Oct. 4, 1946

Science, New Series, Vol. 104, No. 2701, Oct. 4, 1946

Previous Issue: New Series, Vol. 104, No. 2700, Sep. 27, 1946
Next Issue: New Series, Vol. 104, No. 2702, Oct. 11, 1946

Growth and Aging Problems in Agriculture, pp. 307-312

Samuel Brody

Technical Papers

Cardiac Failure in Cattle on Vitamin E-Free Rations as Revealed by Electrocardiograms, pp. 312-313

Thor W. Gullickson; Chas. E. Calverley

Influence of Purified Lignin on Nitrification in Soil, pp. 313-315

James E. Fuller

Administration of Streptomycin in Peanut Oil and Beeswax and in Solvecillin, pp. 315-317

John A. Kolmer; Amedeo Bondi; Halsey F. Warner; Catherine Dietz

Effect of Di-Isopropyl Fluorophosphate (DFP) on the Action Potential of Muscle, p. 317

René Couteaux; Harry Grundfest; David Nachmansohn; Mortimer A. Rothenberg

Derivation, Interpretation, and Application of the Second Law of Thermodynamics, pp. 317-318

P. G. Nutting

News and Notes, pp. 319-326

In the Laboratory

A Collapsible Metal Stirrer, p. 326

J. David Reid; Edmund M. Buras

Penicillin Blood-Level Determinations with a Streptococcus dysgalactiae Resistant to Normal Blood Inhibitors, pp. 327-328

J. C. Kakavas; E. G. Scott

Letters to the Editor

Taxonomy and the Biologists, pp. 328-329

Z. P. Metcalf

Dormant and Adventitious Buds, p. 329

Isador Aaron

Aseptic Cultivation of Excised Plant Embryos, pp. 329-330

Margaret Newcomb; Ralph E. Cleland

A Regrettable Error, p. 330

Joel W. Hedgpeth

Potentiation of the Antibiotic Activity of Aspergillic Acid by Bismuth, p. 330

Andres Goth

Disease Control in Frogs, p. 330

S. Meryl Rose

A Further Note on the Meaning of Normal, pp. 330-331

Chauncey D. Leake

Iron Concentrations in Cholinesterase Preparations, p. 331

Robert D. Barnard

Hypoparatypes, p. 331

Hobart M. Smith

Rigid Thinking in the Social Sciences--A Vital Need, pp. 331-332

Zachariah Subarsky

On the Question of Russian Scientists, p. 332

William Marquette

Book Reviews

----------------, pp. 332-333

Electron and Nuclear Counters--Theory and Use

A. Korff

Review author[s]: Gladys A. Anslow

----------------, p. 333

The Effect of Smallpox on the Destiny of the Amerindian

E. Wagner Stearn; Allen E. Stearn

Review author[s]: Georg K. Neumann

----------------, p. 333

Theory and Practice of Filtration

George D. Dickey; Charles L. Bryden

Review author[s]: H. L. Olin

----------------, pp. 333-334

Human Embryology

Bradley M. Patten

Review author[s]: Madge Thurlow Macklin

----------------, p. 334

Diseases of the Retina

Herman Elwyn

Review author[s]: W. L. Benedict

Previous Issue: New Series, Vol. 104, No. 2700, Sep. 27, 1946
Next Issue: New Series, Vol. 104, No. 2702, Oct. 11, 1946

Science, New Series, Vol. 104, No. 2702, Oct. 11, 1946

Previous Issue: New Series, Vol. 104, No. 2701, Oct. 4, 1946
Next Issue: New Series, Vol. 104, No. 2703, Oct. 18, 1946

The Cultural Understanding and Appreciation of the Scientific Approach, pp. 335-338

Ralph H. Ojemann

Obituary

Boris Aleksandrovich Keller: 1874-1945, p. 339

Vladimir C. Asmous

Technical Papers

An Iron-Binding Component in Human Blood Plasma, pp. 340-341

Arthur L. Schade; Leona Caroline

Origin of Nitrogen in Natural Gases, pp. 341-342

George H. Cady

The Intestinal Absorption of Penicillin G, pp. 342-343

Victor P. Seeberg; Paul L. Illg; Doris Jane Brown

Toxicity of DDT Isomers to Some Insects Affecting Man, pp. 343-344

Stanley J. Cristol; H. L. Haller; A. W. Lindquist

Blood Sugar Level Following Intravenous Glucose in Rheumatoid Arthritis, pp. 344-346

Joseph E. Flynn; Oliver J. Irish

News and Notes, pp. 346-352

Letters to the Editor

Use of Perchloric Acid as an Oxidizing Agent, p. 353

E. Gordon Young; Roberta B. Campbell

Safety and the Direction of Rotation of the Automobile Engine, pp. 353-354

Harold Lamport

The Etymology of ``Fission'', p. 354

Edwin G. Boring

Pleistocene Fossils in Eocene Rock from New Jersey, p. 354

Horace G. Richards

``Container-Dent Sensitivity'' of Explosives, pp. 354-355

Garret L. Schuyler

Book Reviews

----------------, p. 355

Mathematical Theory of Elasticity

I. S. Sokolnikoff

Review author[s]: C. W. MacGregor

Scientific Book Register, p. 356

Previous Issue: New Series, Vol. 104, No. 2701, Oct. 4, 1946
Next Issue: New Series, Vol. 104, No. 2703, Oct. 18, 1946