Science, New Series, Vol. 93, No. 2401, Jan. 3, 1941

Previous Issue: New Series, Vol. 92, No. 2400, Dec. 27, 1940
Next Issue: New Series, Vol. 93, No. 2402, Jan. 10, 1941

Volume Information (8 pp.)
Front Matter (12 pp.)

The American Association for the Advancement of Science

The Body Physiologic and the Body Politic, pp. 1-10

Walter B. Cannon

Obituary

Gladwyn Kingsley Noble: (September 20, 1894--December 9, 1940), pp. 10-11

William K. Gregory

Scientific Events

The Union of American Biological Societies, pp. 11-12

Scientific Expeditions, p. 12

High-Voltage Transmission Laboratory at Cornell University, pp. 12-13

The Industrial X-Ray Unit of the General Electric Company, p. 13

Grants of the Carnegie Corporation of New York, pp. 13-14

Scientific Notes and News, pp. 14-16

Discussion

A New Radioactive Series, pp. 16-17

Walter Wahl; Alfred C. Lane

Plans for the Future of the Virginia Academy of Science, pp. 17-19

Wortley F. Rudd

The Presentation of Scientific Papers, p. 19

Francis H. Allen

Scientific Books

Sedimentary Petrography, p. 19

Sedimentary Petrography, with Special Reference to Petrographic Methods of Correlation of Strata, Petroleum Technology and Other Economic Applications of Geology

Henry B. Milner

Review author[s]: Esper S. Larsen

Marine Shells of the Southwest Coast of Florida, p. 20

Marine Shells of the Southwest Coast of Florida

Louise M. Perry

Review author[s]: Paul Bartsch

Special Articles

The Excretion of Specific Fluorescent Substances in the Urine in Pellagra, pp. 20-21

Victor A. Najjar; L. Emmett Holt

Effect of Alcohol on Vitamin a Content of Blood in Human Subjects, pp. 21-22

Samuel W. Clausen; Burtis B. Breese; William S. Baum; Augusta B. McCoord; John O. Rydeen

Ultraviolet Transmission by the Vitelline Membrane of the Hen's Egg, pp. 22-23

Fred M. Uber; Teru Hayashi; Victor R. Ells

Scientific Apparatus and Laboratory Methods

A Simple Apparatus for Pressure Filtration, pp. 23-24

Ethan Allan Brown; Norbert Benotti

An Electronic Relay with Improved Characteristics, p. 24

Roland C. Hawes

Science News, pp. 10-13
Back Matter (3 pp.)

Previous Issue: New Series, Vol. 92, No. 2400, Dec. 27, 1940
Next Issue: New Series, Vol. 93, No. 2402, Jan. 10, 1941

Science, New Series, Vol. 93, No. 2402, Jan. 10, 1941

Previous Issue: New Series, Vol. 93, No. 2401, Jan. 3, 1941
Next Issue: New Series, Vol. 93, No. 2403, Jan. 17, 1941

Volume Information (2 pp.)
Front Matter (10 pp.)
Science and the Nation, pp. 25-27

William Bragg

The Royal Society, pp. 27-32

L. J. Henderson

Obituary

Carl L. Alsberg, pp. 32-33

Edwin C. Voorhies

Recent Deaths, p. 33

Scientific Events

Research in the Field of Pharmacopoeial Revision, p. 33

Training at the New York University for Squadron Engineering Officers for the Air Corps, pp. 33-34

New Medical Journals, p. 34

The New York Academy of Medicine, pp. 34-35

Officers of the American Association for the Advancement of Science, pp. 35-36

Scientific Notes and News, pp. 36-38

Discussion

The Distribution of the Periodical Literature of Science, pp. 38-39

Atherton Seidell

Vitamin L and Dextrin Diet, pp. 39-40

Waro Nakahara; Fumito Inukai; Saburo Ugami

An Investigation of Growth in Plants, p. 40

D. F. Jones

Pro and Con Evolution in Contemporary Germany, pp. 40-41

Otto Haas

Scientific Books

Geometry of Curves and Surfaces, pp. 41-42

Metric Differential Geometry of Curves and Surfaces

Ernest Preston Lane

Review author[s]: T. Y. Thomas

Special Articles

The Structure of the Mesomorphic Phase of Certain Cyanine Dyes, pp. 42-43

S. E. Sheppard

Association of Phosphatase with a Material in Kidney Sedimentable at High Speed and its Liberation by Autolysis, pp. 43-44

Elvin A. Kabat

The Inadequacy of Synthetic Diets for Mice, pp. 44-45

Christopher Carruthers

Scientific Apparatus and Laboratory Methods

An Apparatus for Measuring Microscopic Objects, pp. 45-46

John C. Lotze; Marvin J. Yiengst

A Simple Duplicator for Labeling Slides, p. 46

Paul H. Ralph

Science News, pp. 8+10-11
Back Matter (1 p.)

Previous Issue: New Series, Vol. 93, No. 2401, Jan. 3, 1941
Next Issue: New Series, Vol. 93, No. 2403, Jan. 17, 1941

Science, New Series, Vol. 93, No. 2403, Jan. 17, 1941

Previous Issue: New Series, Vol. 93, No. 2402, Jan. 10, 1941
Next Issue: New Series, Vol. 93, No. 2404, Jan. 24, 1941

Front Matter (10 pp.)

The American Association for the Advancement of Science

Some Biological Applications of Organometallic Compounds, pp. 47-50

Henry Gilman

The Motions of the Stars, pp. 50-53

Everett I. Yowell

Obituary

Henry Hurd Rusby, pp. 53-54

C. W. Ballard

Scientific Events

A New Course in Aircraft Production at New York University, pp. 54-55

Fellowships and Scholarships in Engineering at Cornell University, p. 55

The American Museum-Sinclair Dinosaur Expedition, pp. 55-56

Work of the Field Museum of Natural History during 1940, pp. 56-57

Medal of Honor of the Institute of Radio Engineers, p. 57

Scientific Notes and News, pp. 57-59

Discussion

A Chinese Insecticidal Plant, Tripterygium Wilfordii, Introduced into the United States, pp. 60-61

Walter T. Swingle; H. L. Haller; E. H. Siegler; M. C. Swingle

Proposed Names for the Follicle-Stimulating and Interstitial Cell-Stimulating Hormones of the Anterior Lobe of the Pituitary Body, p. 61

Harrison C. Coffin; H. B. Van Dyke

The Encyclopedia of Chemical Reactions, p. 61

C. A. Jacobson

Animal Behavior during Air-Raids, pp. 61-62

H. Barraclough Fell

Societies and Meetings

The Western Society of Naturalists, pp. 62-63

D. L. Fox

Reports

Report to Congress of the National Advisory Committee for Aeronautics, pp. 63-64

Special Articles

Localization of Lithium in Tumor Tissue as a Basis for Slow Neutron Therapy, pp. 64-65

Paul A. Zahl; Franklin S. Cooper

Carbonic Anhydrase Inactivation as the Source of Sulfanilamide ``Acidosis'', pp. 66-67

Arthur Locke; E. R. Main; R. R. Mellon

Scientific Apparatus and Laboratory Methods

Reunion of Stumps of Small Nerves by Tubulation Instead of Suture, pp. 67-68

Paul Weiss

A Method for Determining and Specifying Locality by Collectors, p. 68

Clyde F. Reed

Science News, pp. 8-11
Back Matter (1 p.)

Previous Issue: New Series, Vol. 93, No. 2402, Jan. 10, 1941
Next Issue: New Series, Vol. 93, No. 2404, Jan. 24, 1941

Science, New Series, Vol. 93, No. 2404, Jan. 24, 1941

Previous Issue: New Series, Vol. 93, No. 2403, Jan. 17, 1941
Next Issue: New Series, Vol. 93, No. 2405, Jan. 31, 1941

Front Matter (10 pp.)

The American Association for the Advancement of Science

A Mathematical Theory of Equilibrium with Applications to Minimal Surface Theory, pp. 69-71

Marston Morse

Technical Progress in Aviation, pp. 71-74

J. C. Hunsaker

Professor Lawrence and the Development of the Cyclotron, pp. 74-76

R. H. Fowler

Scientific Events

The Sixth Lerner-American Museum Big Game Fish Expedition, p. 76

Work of the United States Geological Survey, pp. 76-77

The National Research Fellowship for Women in Science, p. 77

A Plan to Promote Cultural Fellowship and Cooperation among the American Republics, pp. 77-78

The Geological Society of America, p. 78

Recent Deaths and Memorials, pp. 78-79

Scientific Notes and News, pp. 79-81

Discussion

An Inventory of Natural Vegetation Types and the Need for Their Preservation, pp. 81-82

Henry I. Baldwin

Leading Nations in Science and the Nobel Prize, pp. 82-83

Gordon Gunter

Festschrift of Professor Embrik Strand, pp. 83-84

H. P. K. Agersborg

Quotations

Scientific Societies in War Time, pp. 84-86

Reports

The Soybean Crop in the United States, pp. 86-87

A. W. Von Struve

Special Articles

Red Cell Volume Circulating and Total as Determined by Radio Iron, pp. 87-88

P. F. Hahn; W. M. Balfour; J. F. Ross; W. F. Bale; G. H. Whipple

The Turnover of Acid-Soluble Phosphorus in the Kidneys of Rats, pp. 88-89

S. Rapoport; Norton Nelson; George M. Guest; I. Arthur Mirsky

An Inverse Distance Variation for Certain Social Influences, pp. 89-90

John Q. Stewart

Scientific Apparatus and Laboratory Methods

A Stable Trypsin Solution, pp. 91-92

Kenneth L. Burdon

Purification of Diphtheria Anti-Toxin, p. 92

John H. Northrop

Science News, pp. 8-11
Back Matter (1 p.)

Previous Issue: New Series, Vol. 93, No. 2403, Jan. 17, 1941
Next Issue: New Series, Vol. 93, No. 2405, Jan. 31, 1941

Science, New Series, Vol. 93, No. 2405, Jan. 31, 1941

Previous Issue: New Series, Vol. 93, No. 2404, Jan. 24, 1941
Next Issue: New Series, Vol. 93, No. 2406, Special Issue Containing Reports of the Sixth Philadelphia Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 7, 1941

Front Matter (7 pp.)

The American Association for the Advancement of Science

Science Versus Life, pp. 93-100

A. J. Carlson

Contributions to Science by the Research Laboratory of the General Electric Company, pp. 100-101

Karl T. Compton

The Research Laboratory of the General Electric Company, pp. 101-103

L. A. Hawkins

Obituary

David Hilt Tennent, p. 103

C. E. McClung

Recent Deaths, p. 103

Scientific Events

The Highland Park Zoological Garden at Pittsburgh, p. 104

Work of the Commonwealth Fund, pp. 104-105

The Industrial Research Institute at the University of Oklahoma, p. 105

The School of Chemical Engineering of Cornell University, p. 105

Meeting of the Board of Regents of the Smithsonian Institution, pp. 105-106

The Royal Astronomical Society of Canada, p. 106

Scientific Notes and News, pp. 106-109

Discussion

A Further Comment on Stability in Nomenclature, pp. 109-110

Leon Croizat

The Rate of Seasonal Deposition of Pearl Aragonite, pp. 110-111

A. E. Alexander

The ``Smut'' Disease of Gladiolus, p. 111

B. O. Dodge; Thomas Laskaris

Occurrence of the Oriental Rat Flea in Columbus, Ohio, pp. 111-112

A. G. Runner

Scientific Books

Mathematical Analysis, p. 112

A Course of Analysis

E. G. Phillips

Review author[s]: Philip Franklin

The Endocrine Function of Iodine, pp. 112-113

Endocrine Function of Iodine

William T. Salter

Review author[s]: David Marine

Societies and Meetings

Indiana Academy of Science, pp. 113-114

Will E. Edington

Special Articles

Application of N15 to the Study of Biological Nitrogen Fixation, pp. 114-115

Robert H. Burris; Charles E. Miller

Seasonal Fluctuation in Estrogen Excretion, pp. 115-116

Hugh H. Darby; Dorothy Childs

The Effect of Tyrosinase on Arterial Hypertension, p. 116

Henry A. Schroeder

Scientific Apparatus and Laboratory Methods

A Method of Freeing Sea Water of Phosphate, pp. 117-118

Rex J. Robinson

An Improved Method for Determining the Presence of the Virus of Anterior Poliomyelitis in Stool Specimens, p. 118

George Y. McClure

Science News, pp. 6-8

Previous Issue: New Series, Vol. 93, No. 2404, Jan. 24, 1941
Next Issue: New Series, Vol. 93, No. 2406, Special Issue Containing Reports of the Sixth Philadelphia Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 7, 1941

Science, New Series, Vol. 93, No. 2406, Special Issue Containing Reports of the Sixth Philadelphia Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 7, 1941

Previous Issue: New Series, Vol. 93, No. 2405, Jan. 31, 1941
Next Issue: New Series, Vol. 93, No. 2407, Feb. 14, 1941

Front Matter (44 pp.)
The Sixth Philadelphia Meeting of the American Association for the Advancement of Science and Associated Societies, pp. 119-142

F. R. Moulton

Science News, pp. 42a+44a+46a
Back Matter (35 pp.)

Previous Issue: New Series, Vol. 93, No. 2405, Jan. 31, 1941
Next Issue: New Series, Vol. 93, No. 2407, Feb. 14, 1941

Science, New Series, Vol. 93, No. 2407, Feb. 14, 1941

Previous Issue: New Series, Vol. 93, No. 2406, Special Issue Containing Reports of the Sixth Philadelphia Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 7, 1941
Next Issue: New Series, Vol. 93, No. 2408, Feb. 21, 1941

Front Matter (8 pp.)

The American Institute of the City of New York

The Infinitely Small in Biology, pp. 143-145

Thomas M. Rivers

Some Chemical, Medical and Philosophical Aspects of Viruses, pp. 145-151

W. M. Stanley

Scientific Events

Expeditions Sent out by the U. S. National Museum, p. 151

The New School of Public Health of the University of Michigan, p. 151

Awards of the Amory Fund by the American Academy of Arts and Sciences, p. 152

Prizes Awarded by Memorial Hospital, New York City, pp. 152-153

Award of the Willard Gibbs Medal to Dr. Doisy, p. 153

Recent Deaths, p. 153

Scientific Notes and News, pp. 154-156

Discussion

The Synthesis of Plastein, p. 157

Earl W. Flosdorf

The Use of Plastic as a Substitute for Cover Glasses, pp. 157-158

V. Suntzeff; Irene Smith

Adenosinetriphosphatase, p. 158

A. Szent-Györgyi; I. Banga

Another Avivorous Angler or Goosefish, p. 158

A. M. Banta

Poor Delivery of Scientific Papers, p. 158

Albert M. Reese

Societies and Meetings

The American Association of Scientific Workers, pp. 158-160

Harry Grundfest

Reports

Industrial Research in the United States in 1940, pp. 160-162

Wm. A. Hamor

Special Articles

Complement-Fixation in Encephalitis and Rabies Virus Infections, pp. 162-163

J. Casals; R. Palacios

Alcoholic and Non-Alcoholic Ketosteroids and the Zimmerman Color Reaction, pp. 163-164

Gregory Pincus; William H. Pearlman

p-Aminobenzoic Acid, a Vitamin, pp. 164-165

S. Ansbacher

Scientific Apparatus and Laboratory Methods

A Method for Measuring the Area of Small Irregular Surfaces of the Human Body, pp. 165-166

George E. Burch; Alfred E. Cohn; Charles Neumann

Melting Point Apparatus, p. 166

A. Yaussy; C. C. Kiplinger

Science News, pp. 6-9
Back Matter (1 p.)

Previous Issue: New Series, Vol. 93, No. 2406, Special Issue Containing Reports of the Sixth Philadelphia Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 7, 1941
Next Issue: New Series, Vol. 93, No. 2408, Feb. 21, 1941

Science, New Series, Vol. 93, No. 2408, Feb. 21, 1941

Previous Issue: New Series, Vol. 93, No. 2407, Feb. 14, 1941
Next Issue: New Series, Vol. 93, No. 2409, Feb. 28, 1941

Front Matter (8 pp.)
Ions in Gases, pp. 167-172

John Zeleny

Botanical Research by Unfashionable Technics, pp. 172-176

Neil E. Stevens

Scientific Events

The Research Section of the Rochester Academy of Science, pp. 176-177

Conference of Radio Engineers at the Ohio State University, p. 177

Symposia at the St. Louis Meeting of the American Chemical Society, pp. 177-178

Symposium at Union College, p. 178

Nominations of Officers of the American Institute of Electrical Engineers, p. 178

Appointment of Dr. James Bryant Conant as Head of Scientific Mission, pp. 178-179

Recent Deaths, p. 179

Scientific Notes and News, pp. 179-182

Discussion

An Important Factor in Evolution, pp. 182-183

Melville H. Hatch

Linnæus on the Natural History of Man, p. 183

Francis H. Allen

The Soybean in China, pp. 183-184

L. Carrington Goodrich

Our Science Meetings Again, p. 184

William Seifriz

The Presentation of Scientific Papers, pp. 184-185

J. Van Overbeek

Scientific Books

The Design of High Pressure Plant, p. 185

The Design of High Pressure Plant and the Properties of Fluids at High Pressures

Dudley M. Newitt

Review author[s]: P. W. Bridgman

Abstract Algebra, pp. 185-186

An Introduction to Abstract Algebra

Cyrus C. MacDuffee

Review author[s]: Garrett Birkhoff

Special Articles

On Lubimenko Extracts of Chlorophyll-Protein, pp. 186-187

M. L. Anson

The H-Ion Concentration and the Origin of the Heart Beat, pp. 187-188

C. R. Spealman

Susceptibility to Disease in Relation to Plant Nutrition, pp. 188-189

Walter Thomas; Warren B. Mack

Scientific Apparatus and Laboratory Methods

Histological Sectioning of Hard Tissues by a New Technique, pp. 189-190

Alexander Randall; Alan W. C. Menzies

The Staining of Acid-Fast Tubercle Bacteria, p. 190

Oscar W. Richards

Books Received, p. 190
Science News, pp. 6+8-10

Previous Issue: New Series, Vol. 93, No. 2407, Feb. 14, 1941
Next Issue: New Series, Vol. 93, No. 2409, Feb. 28, 1941

Science, New Series, Vol. 93, No. 2409, Feb. 28, 1941

Previous Issue: New Series, Vol. 93, No. 2408, Feb. 21, 1941
Next Issue: New Series, Vol. 93, No. 2410, Mar. 7, 1941

Front Matter (7 pp.)
Our Better Ordering and Preservation, pp. 191-197

Isaiah Bowman

Status of Bio-Assay of the Digitalis Group, pp. 197-201

Harry Gold; McKeen Cattell

Obituary

Frank Craig Jordan, pp. 201-202

Keivin Burns

Clarence Preston Gillette, p. 202

George M. List

Recent Deaths, p. 202

Scientific Events

The American Diabetes Association, p. 203

The American Society for Testing Materials, pp. 203-204

Award of the Lamme Medal of the American Institute of Electrical Engineers, p. 204

The American Institute of Mining and Metallurgical Engineers, p. 204

A Proposed Southern Scientific Society, pp. 204-205

Otis W. Caldwell

Scientific Notes and News, pp. 205-208

Discussion

Note on an Erroneous Statement Concerning Pre-Nova Stars, pp. 208-209

Dean B. McLaughlin

Southernmost Glaciated Peak in the United States, p. 209

H. T. U. Smith; L. L. Ray

A Suggestion for the Maintenance of Scientific Illustrations, p. 209

Albro Tilton Gaul

Catalogues of Current Scientific Literature, pp. 209-210

Philip P. Calvert

Scientific Books

Strength and Structure of the Earth, pp. 210-211

Strength and Structure of the Earth

Reginald Aldsworth Daly

Review author[s]: Chester R. Longwell

Societies and Meetings

The Annual Meeting of the Southwestern Division, pp. 211-212

Frank E. E. Germann

Special Articles

Sterilization of Air by Certain Glycols Employed as Aerosols, pp. 213-214

O. H. Robertson; Edward Bigg; Benjamin F. Miller; Zelma Baker

Racemization of Glutamic Acid with Alkalies, pp. 214-215

L. Earle Arnow; Jeanette C. Opsahl

Cochlear Potentials from the Bat, p. 215

Robert Galambos

Scientific Apparatus and Laboratory Methods

Photoelectric Temperature Control, pp. 215-216

Alfred D. Compton

Science News, pp. 6-8

Previous Issue: New Series, Vol. 93, No. 2408, Feb. 21, 1941
Next Issue: New Series, Vol. 93, No. 2410, Mar. 7, 1941

Science, New Series, Vol. 93, No. 2410, Mar. 7, 1941

Previous Issue: New Series, Vol. 93, No. 2409, Feb. 28, 1941
Next Issue: New Series, Vol. 93, No. 2411, Mar. 14, 1941

Front Matter (12 pp.)
The National Roster of Scientific and Specialized Personnel: A Progress Report, pp. 217-219

Leonard Carmichael

The American Association for the Advancement of Science

Report of the President to Council of American Association for the Advancement of Science, pp. 219-225

Albert Francis Blakeslee

Membership of the American Association, pp. 225-227

F. R. Moulton

Obituary

Sir Joseph John Thomson, pp. 227-229

W. F. G. Swann

Scientific Events

Scientific Developments in the U.S.S.R., p. 229

The Divisional Programs for the St. Louis Meeting of the American Chemical Society, pp. 229-230

Scientific Meetings, pp. 230-231

The American Association of Mining and Metallurgical Engineers, p. 231

Presentation of a Portrait of Professor Cohen, pp. 231-232

Recent Deaths, p. 232

Scientific Notes and News, pp. 232-235

Discussion

General or Special in the Development of Mathematics, pp. 235-236

G. A. Miller

Illusions in Printed Matter, p. 236

Christian A. Ruckmick

Catalogue of North American Early Tertiary Fossils of the Gulf and Atlantic Coastal Plain, pp. 236-237

H. B. Stenzel

Special Articles

Production from Sucrose of a Serologically Reactive Polysaccharide by a Sterile Bacterial Extract, pp. 237-238

Edward J. Hehre

On Vitamins in Wheat Germ, pp. 238-239

Herbert H. Bunzell

Scientific Apparatus and Laboratory Methods

A Method for Making Snowflake Replicas, pp. 239-240

Vincent J. Schaefer

The Use of Infra-Red Film for Electrophoretic and Ultracentrifugal Analyses, p. 240

Henry P. Treffers; Dan H. Moore

Books Received, p. 240
Science News, pp. 10+12+14

Previous Issue: New Series, Vol. 93, No. 2409, Feb. 28, 1941
Next Issue: New Series, Vol. 93, No. 2411, Mar. 14, 1941

Science, New Series, Vol. 93, No. 2411, Mar. 14, 1941

Previous Issue: New Series, Vol. 93, No. 2410, Mar. 7, 1941
Next Issue: New Series, Vol. 93, No. 2412, Mar. 21, 1941

Front Matter (8 pp.)
The Division of Medical Sciences of the National Research Council and National Defense, pp. 241-244

Sanford V. Larkey

Strategic Minerals in War and Peace, pp. 244-246

C. K. Leith

Presentation of the Penrose Medal of the Geological Society of America to Dr. N. H. Darton, pp. 247-248

Douglas Johnson

Obituary

Sir Frederick Banting, pp. 248-249

C. H. Best

Levi Walter Mengel, pp. 249-250

Lawrence S. Dillon

Recent Deaths, p. 250

Scientific Events

The School of Tropical Medicine of the University of Puerto Rico, pp. 250-251

The American Health Unit in Great Britain, pp. 251-252

The New Cancer Hospital and Clinic of New York City, pp. 252-253

Scientific Notes and News, pp. 253-255

Discussion

Excurrent Cones, p. 256

G. R. Wieland

Kidney Stones in Rana Pipiens Tadpoles Reared on Spinach, pp. 256-257

Robert W. Briggs

Scientific Men in the Hall of Fame, p. 257

Jerome Alexander

Fire Hazard in Sterilization by Di-Ethylene Glycol, p. 257

L. B. Tuckerman

Scientific Books

Embryology of Insects and Myriapods, pp. 257-258

Embryology of Insects and Myriapods. The Developmental History of Insects, Centipedes, and Millepedes from Egg Deposition to Hatching.

Oskar A. Johannsen; Ferdinand H. Butt

Review author[s]: R. E. Snodgrass

Reports

The Banting Research Foundation, pp. 258-260

V. E. Henderson; A. W. Ham

Special Articles

Breeding a Disease-Resistant Red Climbing Rose, pp. 260-261

H. R. Rosen

The Effect of Imbalance in the ``Filtrate Fraction'' of the Vitamin B Complex in Dogs, pp. 261-262

Agnes Fay Morgan

The Examination of Tissues for Carcinogenic Factors, pp. 262-263

I. Hieger

Scientific Apparatus and Laboratory Methods

A Vibrating Needle as a Microsurgical Instrument, pp. 263-264

H. F. Drury

Science News, pp. 6+8-9
Back Matter (1 p.)

Previous Issue: New Series, Vol. 93, No. 2410, Mar. 7, 1941
Next Issue: New Series, Vol. 93, No. 2412, Mar. 21, 1941

Science, New Series, Vol. 93, No. 2412, Mar. 21, 1941

Previous Issue: New Series, Vol. 93, No. 2411, Mar. 14, 1941
Next Issue: New Series, Vol. 93, No. 2413, Mar. 28, 1941

Front Matter (9 pp.)
Evolution of the Germ-Plasm, pp. 265-268

C. E. McClung

The Zoological Society in These Times, pp. 269-270

Fairfield Osborn

Obituary

Dayton Clarence Miller, pp. 270-272

H. W. Mountcastle

Scientific Events

The One Hundredth Anniversary of the Establishment of the Alexander Dallas Bache Magnetic Observatory, pp. 272-273

Paul R. Heyl

Pan-American Union against Cancer, p. 273

Francis Carter Wood

The Nineteenth Annual Plant Science Seminar, p. 273

The Union College Science Symposium, p. 274

The Hundredth Anniversary of the New York University College of Medicine, pp. 274-275

Physicists and National Defense, p. 275

Scientific Notes and News, pp. 275-278

Discussion

The Museums of New York, pp. 278-280

Musaeus

The ECR is Progressing, pp. 280-281

C. A. Jacobson

Pigeon Malaria in California, p. 281

Carl G. Kadner

Specificity of Renin, p. 281

David Turnoff; L. G. Rowntree

Scientific Books

Mathematics, pp. 281-283

The Development of Mathematics

E. T. Bell

Review author[s]: Rudolph E. Langer

Radiologic Physics, p. 283

Radiologic Physics

Charles Weyl; S. Reid Warren; Dallett B. O'Neill

Review author[s]: G. Failla

Special Articles

Chemistry of Energetic Atoms Produced by Neutron Capture, pp. 283-285

W. F. Libby

The Effect of Heat on Crystals of Serum Albumin; Production of Crystals of Denatured Protein, pp. 285-286

A. E. Mirsky

N ¹ -(b-Aminoethyl) Sulfanilamide and N ¹ -(b-Diethylaminoethyl) Sulfanilamide, p. 286

Lawrence H. Amundsen; Lena A. Malentacchi

Scientific Apparatus and Laboratory Methods

Another Circuit for Temperature. Controls, pp. 286-288

Bradford Noyes

Another Method for Recording Localities from Topographical Maps, p. 288

Leslie Hubricht; Ralph O. Erickson

A Convenient Method of Labeling Bottles, p. 288

Charles Gurchot; Jack K. Finnegan

Science News, pp. 6+8-10

Previous Issue: New Series, Vol. 93, No. 2411, Mar. 14, 1941
Next Issue: New Series, Vol. 93, No. 2413, Mar. 28, 1941

Science, New Series, Vol. 93, No. 2413, Mar. 28, 1941

Previous Issue: New Series, Vol. 93, No. 2412, Mar. 21, 1941
Next Issue: New Series, Vol. 93, No. 2414, Apr. 4, 1941

Front Matter (9 pp.)

The American Association for the Advancement of Science

Each after His Kind, pp. 289-293

Leon J. Cole

Robert Kennedy Duncan, Eminent Chemist, pp. 294-296

Alexander Silverman

Obituary

Sir Oliver Lodge, pp. 296-297

W. F. G. Swann

Recent Deaths, p. 297

Scientific Events

The Research Laboratories at Princeton of the Radio Corporation of America, pp. 297-298

Refugee Scholars, pp. 298-299

Award of Prizes of the American Chemical Society, p. 299

Lectures on Infantile Paralysis, pp. 299-300

The Board for the Investigation of Epidemic Diseases in the Army, p. 300

Scientific Notes and News, pp. 300-303

Discussion

Proposed Glacial Map of North America, pp. 303-305

Richard Foster Flint

The Origin of the Ballistocardiograph, p. 305

Harold Lamport

The Early History of Research with Drosophila, pp. 305-306

C. B. Davenport

Quotations

Science and the Moral Order, pp. 306-307

Scientific Books

Scientific Computation, pp. 307-308

Punched Card Methods in Scientific Computation

W. J. Eckert

Review author[s]: Frank Schlesinger

John Alfred Brashear, p. 308

John Alfred Brashear, Scientist and Humanitarian

Harriet A. Gaul; Ruby Eiseman

Review author[s]: Virginia McKibben

Special Articles

Partial Protection of Rats by Riboflavin with Casein against Liver Cancer Caused by Dimethyl-Aminoazobenzene, pp. 308-310

C. J. Kensler; K. Sugiura; N. F. Young; C. R. Halter; C. P. Rhoads

Inhibition of Lipase Activity in Raw Milk, pp. 310-311

N. P. Tarassuk; G. A. Richardson

Thiuram Sulfide for Turf Diseases, p. 311

George E. Harrington

Scientific Apparatus and Laboratory Methods

New Paraffin-Resin Infiltrating and Imbedding Media for Microtechnique, pp. 311-312

Richard A. Groat

A Microfilm Camera, p. 312

Herman Branson

Science News, pp. 8-10

Previous Issue: New Series, Vol. 93, No. 2412, Mar. 21, 1941
Next Issue: New Series, Vol. 93, No. 2414, Apr. 4, 1941

Science, New Series, Vol. 93, No. 2414, Apr. 4, 1941

Previous Issue: New Series, Vol. 93, No. 2413, Mar. 28, 1941
Next Issue: New Series, Vol. 93, No. 2415, Apr. 11, 1941

Front Matter (13 pp.)
Medallists of the Royal Society, pp. 313-316

William Bragg

The American Association for the Advancement of Science

Each after His Kind, pp. 316-319

Leon J. Cole

Obituary

Dayton C. Miller and the Popularization of Science, pp. 319-320

David Dietz

Recent Deaths, p. 321

Scientific Events

Gift to the Royal Society by the American Philosophical Society, p. 321

Training Physicians for Great Britain, pp. 321-322

Research Laboratory of the Standard Oil Company, p. 322

The American Museum of Health, pp. 322-323

The Twentieth Anniversary of the Division of Petroleum Chemistry of the American Chemical Society, p. 323

The Chicago Meeting of the Federation of American Societies for Experimental Biology, pp. 323-324

Scientific Notes and News, pp. 324-326

Discussion

Another Note on the Isostatic Control of Fluctuations of Sea Level, pp. 326-327

Andrew C. Lawson

The Possibilities of Systemic Infection with Dermatitis-Producing Schistosomes, pp. 327-328

Lawrence R. Penner

A Clotting Factor in Rabbit Plasma, p. 328

I. A. Parfentjev

Little Known Enemies of Young Oysters, p. 328

Victor L. Loosanoff; James B. Engle

Scientific Books

Entomology, pp. 328-329

Entomophagous Insects

Curtis P. Clausen

Review author[s]: Charles T. Brues

Anthropology, p. 329

A Bibliography of Human Morphology, 1914-1939

W. M. Krogman

Review author[s]: A. Hrdlička

The American Association for the Advancement of Science

Affiliated Academies of Science, p. 330

F. R. Moulton

Special Articles

A Casein Digest by Vein Utilized to Form Blood Plasma Protein, pp. 330-331

S. C. Madden; L. J. Zeldis; A. D. Hengerer; L. L. Miller; G. H. Whipple

Reduction in the Blood Pressures of Renal Hypertensive Dogs with Hog Renin, p. 332

G. E. Wakerlin; C. A. Johnson; B. Gomberg; M. L. Goldberg

The Cyanide Stable Respiration of the Sea Urchin Egg, pp. 332-333

P. E. Lindahl

Scientific Apparatus and Laboratory Methods

Spirit Blue Agar: A Medium for the Detection of Lipolytic Microorganisms, pp. 333-334

Mortimer P. Starr

An Improved Method of Applying Colored Pencils, p. 334

Brandon H. Grove

Science News, pp. 10+12+14
Back Matter (2 pp.)

Previous Issue: New Series, Vol. 93, No. 2413, Mar. 28, 1941
Next Issue: New Series, Vol. 93, No. 2415, Apr. 11, 1941

Science, New Series, Vol. 93, No. 2415, Apr. 11, 1941

Previous Issue: New Series, Vol. 93, No. 2414, Apr. 4, 1941
Next Issue: New Series, Vol. 93, No. 2416, Apr. 18, 1941

Front Matter (12 pp.)
Processes of Organic Evolution, pp. 335-339

R. Ruggles Gates

The Relation between Physical and Mental Development, pp. 339-342

Franz Boas

Obituary

Samuel Henshaw, pp. 342-343

Robert T. Jackson

Deaths and Memorials, p. 343

Scientific Events

The Commonwealth Solar Observatory, Canberra, p. 344

The Pacific Expedition of the American Museum of Natural History, p. 344

The Zoological Expedition to the Galapagos Islands of the Field Museum, pp. 344-345

Appointments, Promotions and Retirements at the Massachusetts Institute of Technology, pp. 345-346

The American Medical Association and the Anti-Trust Law, p. 346

Scientific Notes and News, pp. 346-349

Discussion

The Decrease in Vascularity of Human Hearts and Kidneys between the Third and Sixth Decades, p. 349

William Dock

Volatility of N1-Acylsulfanilamides with Steam, pp. 349-350

Walter C. Tobie; Roger D. Williams; Ellis J. Robinson

Availability of Chemicals Not Sold Commercially, p. 350

Samuel Soskin

A Prophecy Fulfilled, pp. 350-351

C. G. Abbot

Scientific Books

Human Affairs, pp. 351-352

Why Men Behave like Apes and Vice Versa

Earnest Albert Hooton

Review author[s]: Robert M. Yerkes

Biology, p. 352

Biology

Howard M. Parshley

Review author[s]: Edwin B. Matzke

Reports

The National Defense Research Committee, pp. 352-354

Special Articles

Saprophytes Antagonistic to Phytopathogenic and Other Microorganisms, pp. 354-355

P. A. Ark; Marjorie L. Hunt

Hemoglobin Regeneration in Anemic Trout Fed Liver Fractions and Fly Maggots, pp. 355-356

A. M. Phillips; Clive M. McCay

A Note on Serum Cholinesterase Variability in Male and Female Rats, pp. 356-357

J. M. R. Beveridge; C. C. Lucas

Scientific Apparatus and Laboratory Methods

The New Electron Microscope, pp. 357-358

H. E. Rhea

A Sensitive Color Reaction for 2-Methyl-1-4-Naphthoquinone and Related Compounds, p. 358

Armando Novelli

Science News, pp. 10+12-13
Back Matter (2 pp.)

Previous Issue: New Series, Vol. 93, No. 2414, Apr. 4, 1941
Next Issue: New Series, Vol. 93, No. 2416, Apr. 18, 1941

Science, New Series, Vol. 93, No. 2416, Apr. 18, 1941

Previous Issue: New Series, Vol. 93, No. 2415, Apr. 11, 1941
Next Issue: New Series, Vol. 93, No. 2417, Apr. 25, 1941

Front Matter (11 pp.)
Science and Human Prospects, pp. 359-366

Eliot Blackwelder

Obituary

Charles Wallis Edmunds, pp. 366-367

Nathan B. Eddy

Recent Deaths, p. 367

Scientific Events

Grants and Fellowships of the American College of Dentists, pp. 367-368

Expeditions of the Smithsonian Institution, pp. 368-369

The Jelliffe Library, p. 369

C. Charles Burlingame

Conference of Students of Connecticut Valley Colleges, p. 369

Symposium on Quantitative Biology at Cold Spring Harbor, pp. 369-370

The Society of Vertebrate Paleontology, p. 370

The Virginia Academy of Science, p. 370

State Academies of Science, p. 371

Scientific Notes and News, pp. 371-374

Discussion

The Age of Jurassic Dinosaurs, p. 374

Edward W. Berry

Osmotic Pressure for the Plant Physiologist, pp. 374-375

Charles J. Lyon

The Demand for Science Books, pp. 375-376

A. W. Von Struve

Preservation of the Continuity of the Scientific Record, p. 376

Stuart Mudd

Scientific Books

Recent Books in Geography, pp. 376-378

Principles of Human Geography

Ellsworth Huntington

Review author[s]: Slaten Jenner

Societies and Meetings

The Organization of a New Science Group in the South, pp. 378-379

A. J. Westland

Reports

Report of the General Director of the New York Zoological Society, pp. 379-380

Allyn R. Jennings

Special Articles

The Effect of an Extra-Chromosomal Influence upon Transplanted Spontaneous Tumors in Mice, pp. 380-381

Arthur M. Cloudman

The Effect of Foster Nursing on the Growth of a Transmissible Leukemia in Mice, pp. 381-382

Lloyd W. Law

Immunization of Dogs against Rabies with Culture Virus, p. 383

I. J. Kligler; H. Bernkopf

Scientific Apparatus and Laboratory Methods

Apparatus for Inflicting Subcortical Lesions in the Rat Brain, pp. 383-384

Frank A. Beach

Science News, pp. 8+10+12

Previous Issue: New Series, Vol. 93, No. 2415, Apr. 11, 1941
Next Issue: New Series, Vol. 93, No. 2417, Apr. 25, 1941

Science, New Series, Vol. 93, No. 2417, Apr. 25, 1941

Previous Issue: New Series, Vol. 93, No. 2416, Apr. 18, 1941
Next Issue: New Series, Vol. 93, No. 2418, May 2, 1941

Front Matter (9 pp.)
Plant Research and Human Welfare, pp. 385-391

E. C. Auchter

Obituary

Wayne J. Atwell, pp. 391-392

R. R. Humphrey

Recent Deaths, p. 392

Scientific Events

The Permanent Science Fund of the American Academy of Arts and Sciences, pp. 392-393

Alumni Lectures at the University of Cincinnati, p. 393

S. B. Arenson

Awards in the William Lowell Putnam Mathematical Competition, pp. 393-394

Admissions to the Fellowship of the Royal Society, pp. 394-395

Scientific Notes and News, pp. 395-398

Discussion

Physicists Needed for National Defense Work, pp. 398-400

S. R. Williams

Petroglyphs as Criteria for Slope Stability, p. 400

T. N. Campbell; Ben R. Howard; Claude C. Albritton; Dodd N. Osburn

Manganese and Vitamin C, p. 401

Jackson B. Hester

Crystalline Insulin Derivatives, p. 401

E. H. Lang; L. Reiner

Scientific Books

Engineering, pp. 401-402

Stress Analysis and Design of Elementary Structures

James H. Cissel

Review author[s]: Francis P. Witmer

Embryology of an Echiuroid Worm, pp. 402-403

The Embryology of the Echiuroid Worm Urechis caupo

W. W. Newby

Review author[s]: Harold Heath

Reports

Ten-Year Research Program of the Virginia Geological Survey, pp. 403-404

Arthur Bevan

Special Articles

Absorption of Pellets of Crystalline Hormones, pp. 404-405

T. R. Forbes

Antagonistic Adrenal and Pituitary Effects on Body Salts and Water, pp. 405-406

S. W. Britton; E. L. Corey

Nutritional Factors Concerned in Rusting of Albino Rats, pp. 406-407

Harry S. Owens; Marvin Trautman; Ella Woods

Scientific Apparatus and Laboratory Methods

An Apparatus for Producing Constant Gas Mixtures, pp. 407-408

Roger A. Lewis; George F. Koepf

Simple Floor-Net for Catching the Escaped Laboratory Rodent, p. 408

Clyde E. Keeler

Science News, pp. 8-10

Previous Issue: New Series, Vol. 93, No. 2416, Apr. 18, 1941
Next Issue: New Series, Vol. 93, No. 2418, May 2, 1941

Science, New Series, Vol. 93, No. 2418, May 2, 1941

Previous Issue: New Series, Vol. 93, No. 2417, Apr. 25, 1941
Next Issue: New Series, Vol. 93, No. 2419, May 9, 1941

Front Matter (11 pp.)
Certain Aspects of the Chemistry of Infectious Diseases, pp. 409-412

M. L. Crossley

The Importance of Microorganisms in Vitamin Research, pp. 412-414

Roger J. Williams

Obituary

Herbert Freundlich: 1880-1941, pp. 414-416

Ross Aiken Gortner; Karl Sollner

Scientific Events

The Institute of Geo-Biology in Peking, p. 416

The Ellen H. Richards Institute, pp. 416-417

Exchange of Astronomical Papers with Foreign Countries, p. 417

Army Service of Medical Students and Interns, pp. 417-418

The American Philosophical Society, p. 418

Scientific Notes and News, pp. 418-421

Discussion

The Rate of Performance of Osmotic Work on the Chloride Ion during Active Intestinal Absorption, pp. 421-422

H. C. Peters

The Mouse Antialopecia Factor, pp. 422-423

Gustav J. Martin

Need for the Preservation of Natural Areas Exemplifying Vegetation Types, p. 423

Willard G. Van Name

Research in Tropical America, pp. 423-424

Laurence Irving

Scientific Books

Recent Books on the History of Medicine, pp. 424-427

A History of Medicine

Arturo Castiglioni

Progress in Medicine: A Critical Review of the Last Hundred Years

Iago Galdston

The Story of Surgery

Harvey Graham

Medical Work of the Knights Hospitallers of Saint John of Jerusalem

Edgar Erskine Hume

The Chinese Way in Medicine

Edward H. Hume

Science and Seizures: New Light on Epilepsy and Migraine

William Gordon Lenox

Observations Made during the Epidemic of Measles on the Faroe Islands in the Year 1846

Peter Ludwig Panum

Man on His Nature

Charles Sherrington

Medicine and Human Welfare

Henry E. Sigerist; William H. Welch

Magic in a Bottle

Milton Silverman

Plague on Us

Geddes Smith

De Morbis Artificum Bernardini Ramazzini Diatriba: Diseases of Workers

Wilmer Cave Wright

Review author[s]: Chauncey D. Leake

Special Articles

Acetyl and Phenylureido Derivatives of Tobacco Mosaic Virus, pp. 428-429

Gail L. Miller; W. M. Stanley

Leucocyte Level and Longevity in Rats, pp. 429-430

Carl Reich; W. F. Dunning

On the Size of the Litter and the Gestation Period of Procavia Capensis, pp. 430-431

C. J. Van Der Horst

Scientific Apparatus and Laboratory Methods

An Improved Cell for Optical Diffusion Measurements on Solutions, pp. 431-432

Hans Neurath

A Simple, Thin Aquarium, p. 432

Lorus J. Milne

Science News, pp. 8+10+12
Back Matter (2 pp.)

Previous Issue: New Series, Vol. 93, No. 2417, Apr. 25, 1941
Next Issue: New Series, Vol. 93, No. 2419, May 9, 1941

Science, New Series, Vol. 93, No. 2419, May 9, 1941

Previous Issue: New Series, Vol. 93, No. 2418, May 2, 1941
Next Issue: New Series, Vol. 93, No. 2420, May 16, 1941

Front Matter (8 pp.)

The National Academy of Sciences

Abstracts of Papers Presented at the Annual Meeting, pp. 433-443

Obituary

Annie Jump Cannon, pp. 443-444

Cecilia Payne Gaposchkin

Recent Deaths and Memorials, pp. 444-445

Scientific Events

Air-Raid Damage to the Laboratory at Plymouth of the Marine Biological Association, p. 445

The Institute of Pharmacy of the University of Wisconsin, pp. 445-446

National Science Fund of the National Academy of Sciences, pp. 446-447

Presentation of the Henry Draper Medal of the National Academy of Sciences to Dr. Robert Williams Wood, p. 447

Elections of the National Academy of Sciences, pp. 447-448

Scientific Notes and News, pp. 448-451

Discussion

Boulder Dam Investigations: Significance of Experimental Data, p. 451

Duff A. Abrams

The Search for a Stable Substituted Vinyl Alcohol, p. 452

Frank H. Stodola

The Anticanitic Vitamin, p. 452

L. L. Lachat

Regarding Fsh and Lh, p. 453

Errett C. Albritton

Scientific Books

Tuberculosis, pp. 453-454

Studies on Tuberculosis. The Spread of Tuberculosis in Negro Families of Jamaica, B. W. I.

E. Joyce Saward; Persis Putnam; Eugene L. Opie

The Fate of Negro Persons of a Tropical Country, Jamaica, B. W. I., after Contact with Tuberculosis

Eugene L. Opie; Persis Putnam; E. Joyce Saward

A Survey of Tuberculous Infection in a Rural Area of East Alabama

A. H. Graham; P. W. Auston; Persis Putnam

The Fate of Persons Exposed to Tuberculosis in White and Negro Families in a Rural Area of East Alabama

A. H. Graham; P. W. Auston; Persis Putnam

Review author[s]: Esmond R. Long

Electrical Engineering, p. 454

Principles of Electrical Engineering

William H. Timbie; Vannevar Bush

Review author[s]: S. Reid Warren

Reports

Work of the National Research Council of Canada, pp. 455-456

Special Articles

Diabetes and Inflammation, pp. 456-458

Valy Menkin

The Action of Crystalline Pepsin on Horse Anti-Pneumococcus Antibody, p. 458

Mary L. Petermann; A. M. Pappenheimer

A Biotin-Like Substance Produced by Diplodia Zeae, pp. 458-459

Neil E. Stevens; W. E. Wilson

Scientific Apparatus and Laboratory Methods

A Modified Photronreflectometer for Use with Test-Tubes, pp. 459-460

Raymond L. Libby

An Improved Water Bottle for Small ``Caged'' Animals, p. 460

D. S. Thorpe

Science News, pp. 6-9
Back Matter (1 p.)

Previous Issue: New Series, Vol. 93, No. 2418, May 2, 1941
Next Issue: New Series, Vol. 93, No. 2420, May 16, 1941

Science, New Series, Vol. 93, No. 2420, May 16, 1941

Previous Issue: New Series, Vol. 93, No. 2419, May 9, 1941
Next Issue: New Series, Vol. 93, No. 2421, May 23, 1941

Front Matter (13 pp.)
Annual Meeting of the American Philosophical Society, pp. 461-466

Edwin G. Conklin

Obituary

Cary Leroy Hill, pp. 466-467

Edward C. Crafts

Recent Deaths, p. 467

Scientific Events

The New York Zoological Park, pp. 467-468

The Chicago Meeting of the American Society for Testing Materials, p. 468

The One Hundred and Twentieth Anniversary of the Philadelphia College of Pharmacy and Science, pp. 468-469

The Ninth Summer Conference on Spectroscopy and its Applications, p. 469

Conference on Molecular Structure, p. 469

The Washington Meeting of the American Geophysical Union, p. 470

Scientific Notes and News, pp. 470-473

Discussion

Heavy Carbon Production by Thermal Diffusion, pp. 473-474

William W. Watson

A Giant Rodent from the Oligocene, pp. 474-475

George Gaylord Simpson

The Velocity of Light, p. 475

Arthur Bessey Smith

Scientific Books

Biological Oxidations, pp. 475-476

Mechanisms of Biological Oxidations

David E. Green

Review author[s]: Kurt G. Stern

Special Articles

Egg-White Injury as the Result of Nonabsorption or Inactivation of Biotin, pp. 477-478

Paul György; Catharine S. Rose; Robert E. Eakin; Esmond E. Snell; Roger J. Williams

The Excretion of Injected Heparin in the Urine of Mice and Dogs, pp. 478-479

Alfred Lewin Copley

The Artificial Synthesis of a 42-Chromosome Wheat, p. 479

E. J. Britten; W. P. Thompson

Scientific Apparatus and Laboratory Methods

An Antimony Electrode for the Continuous Recording of the Acidity of Human Gastric Contents, pp. 479-480

Howard W. Haggard; Leon A. Greenberg

Science News, pp. 10+12+14

Previous Issue: New Series, Vol. 93, No. 2419, May 9, 1941
Next Issue: New Series, Vol. 93, No. 2421, May 23, 1941

Science, New Series, Vol. 93, No. 2421, May 23, 1941

Previous Issue: New Series, Vol. 93, No. 2420, May 16, 1941
Next Issue: New Series, Vol. 93, No. 2422, May 30, 1941

Front Matter (9 pp.)

The American Association for the Advancement of Science

Preliminary Announcement of the Durham, N. H., Meeting, pp. 481-485

F. R. Moulton

The American Philosophical Society. II

Abstracts of Papers Presented at the Philadelphia Meeting, pp. 485-488

Edwin G. Conklin

Scientific Events

A Reading Machine for Microfilms, p. 488

Fellowships in the Natural Sciences of the National Research Council, pp. 488-489

A New Society for X-Ray and Electron Diffraction Research Workers, pp. 489-490

Maurice L. Huggins

The Annual Meeting of the Trustees of Science Service, p. 490

Medal Day at the Franklin Institute, p. 490

The American Academy of Arts and Sciences, pp. 490-491

Recent Deaths and Memorials, p. 491

Scientific Notes and News, pp. 492-494

Discussion

Physics, Exacting beyond all Compromise, pp. 495-496

E. U. Condon

Incomplete Files of Current Periodicals in American Libraries, p. 496

Charles H. Brown

The Continuity of the Scientific Record, p. 496

Watson Davis

The University of Havana Summer School, pp. 496-497

Thomas Barbour

Scientific Books

Statistical Methods, pp. 497-498

Statistical Procedures and their Mathematical Bases

Charles C. Peters; Walter R. Van Voorhis

Statistical Methods for Medical and Biological Students

Gunnar Dahlberg

Applied General Statistics

Frederick E. Croxton; Dudley J. Cowden

Review author[s]: S. S. Wilks

Reports

Pure and Applied Science Research at Mellon Institute, 1940-41, pp. 498-500

W. A. Hamor

Special Articles

Age Susceptibility of Ducks to the Virus of the Rous Sarcoma and Variation of the Virus in the Duck, pp. 501-502

F. Duran-Reynals

Inositol and Spectacled Eye in Rats, p. 502

P. L. Pavcek; H. M. Baum

The Development of Early Mouse Embryos in the Extraembryonic Coelom of the Chick, pp. 502-503

S. Gluecksohn-Schoenheimer

Scientific Apparatus and Laboratory Methods

An Apparatus for Continuous, Rapid and Complete Extraction of Estrogens, pp. 503-504

Emanuel Meyrowitz; Jacob S. Beilly

Obtaining Blood from Mice, p. 504

L. R. Kuhn

Science News, pp. 8-10

Previous Issue: New Series, Vol. 93, No. 2420, May 16, 1941
Next Issue: New Series, Vol. 93, No. 2422, May 30, 1941

Science, New Series, Vol. 93, No. 2422, May 30, 1941

Previous Issue: New Series, Vol. 93, No. 2421, May 23, 1941
Next Issue: New Series, Vol. 93, No. 2423, Jun. 6, 1941

Front Matter (10 pp.)

The American Association for the Advancement of Science

Geologic Antiquity of Man in America, pp. 505-514

Kirk Bryan

Obituary

William Webber Ford: 1871-1941, pp. 514-515

Samuel R. Damon

Scientific Events

Symposium on the Respiratory Enzymes and the Biological Action of the Vitamins, pp. 515-516

The American Museum of Natural History, p. 516

The Harvard Forest, pp. 516-517

Summer Meetings of the American Mathematical Society, p. 517

Presentation of the Willard Gibbs Medal, pp. 517-518

Honorary Degrees to be Conferred at the Fiftieth Anniversary of the University of Chicago, p. 518

Scientific Notes and News, pp. 519-521

Discussion

Is Evolution Inscrutable?, pp. 521-522

F. B. Sumner

The Active Principle of Marihuana, pp. 522-523

G. Powell; M. Salmon; T. H. Bembry; R. P. Walton

Designation of Locations on Maps and Photographs, p. 523

Ronald L. Ives

Karl Friedrich Gauss and His Family Relatives, pp. 523-524

Joseph Larmor

Scientific Books

The Comparative Physiology of Respiratory Mechanisms, p. 524

The Comparative Physiology of Respiratory Mechanisms

August Krogh

Review author[s]: Laurence Irving

Ultraviolet Rays, pp. 524-525

The Chemical Action of Ultraviolet Rays

Carleton Ellis; Alfred A. Wells

Review author[s]: W. Albert Noyes

Societies and Meetings

North Carolina Academy of Science, p. 525

Bert Cunningham

Special Articles

The Biotin Content of Tumors and Other Tissues, pp. 525-527

Philip M. West; William H. Woglom

The Preservation by Freezing and Drying in Vacuo of the Milk-Influence for the Development of Breast Cancer in Mice, pp. 527-528

John J. Bittner

A Probable Agent for the Transmission of Fowl Paralysis, p. 528

J. C. Brown; J. C. Cross

Science News, pp. 8+10

Previous Issue: New Series, Vol. 93, No. 2421, May 23, 1941
Next Issue: New Series, Vol. 93, No. 2423, Jun. 6, 1941

Science, New Series, Vol. 93, No. 2423, Jun. 6, 1941

Previous Issue: New Series, Vol. 93, No. 2422, May 30, 1941
Next Issue: New Series, Vol. 93, No. 2424, Jun. 13, 1941

Front Matter (12 pp.)
The Relation of Microtechnique to the Morphology of Some Protozoan Parasites, pp. 529-533

D. H. Wenrich

Scientific Events

Medical Fellowships of the National Research Council, p. 533

The Industrial Research Institute, p. 534

Conference on the Sun and Solar-Terrestrial Relationships at the Harvard Observatory, p. 534

The Dedication of the Yale Medical Library, p. 535

Summer Conferences at Stanford University, p. 535

Deaths and Memorials, pp. 535-536

Scientific Notes and News, pp. 536-539

Discussion

Nutritional Problems of National Defense, p. 539

Albert M. Potts

Biological Publication in America, pp. 540-541

L. V. Heilbrunn

The Wistar Institute--American Film Center Motion Picture Survey, p. 541

Edmond J. Farris; Donald Slesinger

Industrial Solvents as Possible Etiologic Agents in Myeloid Metaplasia, pp. 541-542

Rulon Rawson; Frederic Parker; Henry Jackson

The Opossum, Didelphis Virginiana Kerr, a New Host for Paragonimus in Tennessee, p. 542

Elon E. Byrd

Scientific Books

Campbell on the Evolution of the Land Plants, pp. 542-543

The Evolution of the Land Plants (Embryophyta)

Douglas Houghton Campbell

Review author[s]: Edward W. Berry

Veterinary Bacteriology, pp. 543-544

Veterinary Bacteriology

I. A. Merchant

Review author[s]: W. A. Hagan

The American Association for the Advancement of Science

A Proposed Revision of the Constitution of the American Association for the Advancement of Science, pp. 544-548

Special Articles

Fetal Encephalomyelitis: Prenatal Inception of Infantile Toxoplasmosis, pp. 548-549

Abner Wolf; David Cowen; Beryl H. Paige

Experimental Anti-Pernicious Anemia Factor Deficiency in Dogs, pp. 549-550

Lathan A. Crandall; C. Osville Finne; Paul W. Smith

Differential Inhibition of Photochemical and Dark Reactions in Photosynthesis by Inorganic Compounds, pp. 550-551

Sydney S. Greenfield

Scientific Apparatus and Laboratory Methods

An Improved Method for the Continuous Measurement of the Rate of Oxygen Consumption for Human Subjects, pp. 551-552

A. P. Gagge

Science News, pp. 10+12-13
Back Matter (1 p.)

Previous Issue: New Series, Vol. 93, No. 2422, May 30, 1941
Next Issue: New Series, Vol. 93, No. 2424, Jun. 13, 1941

Science, New Series, Vol. 93, No. 2424, Jun. 13, 1941

Previous Issue: New Series, Vol. 93, No. 2423, Jun. 6, 1941
Next Issue: New Series, Vol. 93, No. 2425, Jun. 20, 1941

Front Matter (10 pp.)
The Expanding Horizon of Inorganic Chemistry, pp. 553-557

B. S. Hopkins

The Controlled Experiment and the Four-Fold Table, pp. 557-560

Edwin B. Wilson

Scientific Events

The Scientific Exhibition at Dallas, p. 560

Doris Leisen

The Pearl Divers Group in the American Museum of Natural History, pp. 560-561

Industrial Research, pp. 561-562

Summer Courses in Applied Mechanics at Brown University, p. 562

The University of Chicago Fiftieth Anniversary Symposia, pp. 562-563

Award of the Medals of the American Medical Association, p. 563

Recent Deaths, p. 563

Scientific Notes and News, pp. 564-566

Discussion

Oriental Rat Flea Established in Kansas, pp. 566-567

J. E. Ackert; H. P. Boles; A. W. Grundmann

Journals for Latin American Countries: A Challenge to Scientific Societies, pp. 567-568

George S. Avery

The Distribution of American Astronomical Literature Abroad, pp. 568-569

B. J. Bok; H. R. Morgan; J. Stokley

Scientific Books

Vitamins, p. 569

What Are the Vitamins?

Walter H. Eddy

Review author[s]: C. A. Elvehjem

Commercial Timbers, pp. 569-570

Commercial Timbers of the United States, Their Structure, Identification, Properties, and Uses

H. P. Brown; A. J. Panshin

Review author[s]: Arthur Koehler

Soil Physics, pp. 570-571

Soil Physics

L. D. Baver

Review author[s]: L. B. Olmstead

Societies and Meetings

The Virginia Academy of Science, p. 571

E. C. L. Miller

The Pennsylvania Academy of Science, pp. 571-572

Lawrence Whitcomb

The Iowa Academy of Science, p. 572

E. R. Becker

Reports

Report of the Committee on Classification of Military Personnel Advisory to the Adjutant General's Office, pp. 572-574

C. C. Brigham; H. E. Garrett; L. J. O'Rourke; M. W. Richardson; C. L. Shartle; L. L. Thurstone; W. V. Bingham

Special Articles

Effect of Local Edema and Inflammation in the Skin of the Mouse on the Progression of Herpes Virus, pp. 574-575

Peter K. Olitsky; R. Walter Schlesinger

Diabetic Acidosis and Coma in the Monkey, p. 576

I. Arthur Mirsky; Norton Nelson; Samuel Elgart

Effect of Light on Growth Habit of Plants, pp. 576-577

D. G. Langham

Scientific Apparatus and Laboratory Methods

A Technique for Continuous Microscopic Observations, pp. 577-578

Stanley Thomas

Attempts at Tagging Small Salamanders in Life History Studies, p. 578

Edward C. Raney

Science News, pp. 8+10-11
Back Matter (1 p.)

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Next Issue: New Series, Vol. 93, No. 2426, Jun. 27, 1941

Front Matter (9 pp.)
Science, National and International, and the Basis of Cooperation, pp. 579-584

A. V. Hill

Energy at the Threshold of Vision, pp. 585-587

Selig Hecht; Simon Shlaer; Maurice H. Pirenne

Scientific Events

The College of Surgeons, London, p. 587

Nature Protection and Wildlife Preservation, p. 588

The Scientific Apparatus Makers of America, p. 588

The Hundredth Anniversary of the College of Literature, Science and the Arts of the University of Michigan, pp. 588-589

Celebration at Rutgers University, p. 589

Honorary Degrees Recently Conferred on Scientific Men, pp. 589-590

Deaths and Memorials, p. 590

Scientific Notes and News, pp. 590-593

Discussion

The Manchester Literary and Philosophical Society, pp. 593-594

Donal Sheehan

The Age of Sauropod Dinosaurs, pp. 594-595

Barnum Brown

Westward Spread of Eastern Type Equine Encephalomyelitis Virus, p. 595

Raymond Randall; Ervin A. Eichhorn

The "Meaning" of Science, pp. 595-596

Frederick S. Hammett

Scientific Books

Algebraic Theories, pp. 596-597

Introduction to Algebraic Theories

A. Adrian Albert

Review author[s]: Cyrus Colton MacDuffee

Pharmacy, p. 597

History of Pharmacy. A Guide and a Survey

Edward Kremers; George Urdang

Review author[s]: Charles A. Kofoid

Reports

Thirtieth Annual Report of the Brooklyn Botanic Garden, pp. 597-598

Special Articles

The Prevention by Choline of Liver Cirrhosis in Rats on High Fat, Low Protein Diets, pp. 598-599

Harold Blumberg; E. V. McCollum

The Metabolism of β -Naphthylamine by Rats, Rabbits and Monkeys, pp. 600-601

K. Dobriner; K. Hofmann; C. P. Rhoads

Bacteriaemia in Land-Locked Salmon (Salmo Sebago) in Maine, p. 601

E. Clifford Nelson; S. F. Snieszko

Scientific Apparatus and Laboratory Methods

A Design for a Saturated Calomel Electrode, pp. 601-602

M. Garcia Banus

A Convenient Method of Labeling Bottles, p. 602

E. Wilbur Cook

How to Remove the Plungers of "Frozen" Glass Syringes, p. 602

W. R. Goff

Science News, pp. 8-10

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Next Issue: New Series, Vol. 93, No. 2426, Jun. 27, 1941

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Next Issue: New Series, Vol. 94, No. 2427, Jul. 4, 1941

Front Matter (10 pp.)
Conservation and Scientific Forecast, pp. 603-609

Robert Cushman Murphy

Towards a New Biochemistry?, pp. 609-611

A. Szent-Györgyi

Scientific Events

Fellowships of the Lalor Foundation, p. 611

The Engineers Council for Professional Development, pp. 611-612

Promotions and New Appointments at the Rockefeller Institute for Medical Research, p. 612

Honorary Degrees Conferred by Princeton University, p. 612

Honorary Degrees Conferred by Yale University, pp. 612-613

Elections to Fellowship in the Royal Society, London, p. 613

Deaths and Memorials, p. 613

Scientific Notes and News, pp. 614-616

Discussion

A Growth-Depressant Substance from Yeast, pp. 616-617

Elton S. Cook; Cornelius W. Kreke; M. Crescentia Giersch; M. Petronella Schroeder

Dietary Repair of Experimental Caries, p. 617

Reidar F. Sognnaes

Rate of Surface Retreat of Sea Cliffs Based on Dated Inscriptions, pp. 617-618

K. O. Emery

Man's Biological Destiny, p. 618

H. D. Goodale

Further Comment on Preservation of Natural Areas, pp. 618-619

Henry I. Baldwin

Scientific Books

Orientation, pp. 619-620

The Orientation of Animals, Kineses, Taxes and Compass Reactions

Gottfried Fraenkel; Donald L. Gunn

Review author[s]: S. O. Mast

Ramanujan, pp. 620-621

Ramanujan

G. H. Hardy

Review author[s]: D. H. Lehmer

Societies and Meetings

The Illinois State Academy of Science, pp. 621-622

R. F. Paton

Special Articles

The Effect of 2, 3, 5, Triiodobenzoate on the Growth of Tubercle Bacilli, pp. 622-623

Arthur K. Saz; Frederick Bernheim

The Minimum Base Value of Heat Production in Animals, pp. 623-624

E. B. Forbes; R. W. Swift

Estimation, Isolation and Identification of Auxins in Plant Material, pp. 624-625

A. J. Haagen-Smit; W. D. Leech; W. R. Bergen

Scientific Apparatus and Laboratory Methods

An Improved Gas Burner for Smoking Kymograph Paper, pp. 625-626

Hubert B. Peugnet

Oxidation Prevention, p. 626

Lorus J. Milne

Science News, pp. 8+10-11

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Next Issue: New Series, Vol. 94, No. 2427, Jul. 4, 1941

Science, New Series, Vol. 94, No. 2427, Jul. 4, 1941

Previous Issue: New Series, Vol. 93, No. 2426, Jun. 27, 1941
Next Issue: New Series, Vol. 94, No. 2428, Jul. 11, 1941

Volume Information (2 pp.)
Front Matter (11 pp.)
The Study of Man, pp. 1-10

L. J. Henderson

Obituary

Charles Lloyd Connor, p. 11

C. L.

Recent Deaths, p. 11

Scientific Events

Retirement of Herbert P. Whitlock of the American Museum of Natural History, pp. 11-12

The Botanical Expedition to Guatemala of the Field Museum, p. 12

The High School of Science in New York City, p. 12

The Olin Hall of Chemical Engineering at Cornell University, p. 13

The Public Health Research Institute of New York City, pp. 13-14

Meeting of the International College of Surgeons in Mexico City, p. 14

Scientific Notes and News, pp. 14-16

Discussion

Establishment of a Natural Area on the Huntington Wildlife Forest, pp. 16-17

Frank E. Egler

The Relation between Mental and Physical Development, pp. 17-18

William S. Carlson

The Solar Radiation Constant and the Active Region on the Sun, p. 18

Fernando Sanford

An Analysis of the Spread of Epidemics, p. 18

Helge Petersen

Scientific Books

National Unity and Disunity, p. 19

National Unity and Disunity

George Kingsley Zipf

Review author[s]: E. L. Thorndike

Temperature, pp. 19-20

Temperature. Its Measurement and Control in Science and Industry

Review author[s]: Robert B. Sosman

The University of Chicago's Fiftieth Anniversary Symposia, pp. 20-22

Special Articles

The Agglutination of Red Cells by Allantoic Fluid of Chick Embryos Infected with Influenza Virus, pp. 22-23

George K. Hirst

On the Specific Adsorption of Alcohols at the Salicylaldehyde/Water Interface, pp. 23-25

Gösta C. H. Ehrensvärd; Dudley F. Cheesman

Experimental Vitamin P Deficiency, p. 25

St. Rusznyák; A. Benkó

Scientific Apparatus and Laboratory Methods

Preparing Nitrate-Free Sea Water, pp. 25-26

Rex J. Robinson; Benj. M. G. Zwicker

Smoothing Colors Applied by Colored Pencils, p. 26

H. T. Gisborne

Science News, pp. 10-12

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Next Issue: New Series, Vol. 94, No. 2428, Jul. 11, 1941

Science, New Series, Vol. 94, No. 2428, Jul. 11, 1941

Previous Issue: New Series, Vol. 94, No. 2427, Jul. 4, 1941
Next Issue: New Series, Vol. 94, No. 2429, Jul. 18, 1941

Front Matter (11 pp.)
Mathematics and the Sciences, pp. 27-31

C. V. Newsom

Fortification of Foodstuffs, pp. 31-33

J. Murray Luck

Scientific Events

The Office of Scientific Research and Development, p. 33

The Associated Hospital Service of New York, p. 34

The School of Nutrition of Cornell University, pp. 34-35

The McDonald Observatory, p. 35

The Affiliation of Rush Medical College with the University of Illinois, pp. 35-36

The Chicago Meetings of Mathematicians, p. 36

Scientific Notes and News, pp. 37-39

Discussion

Evidence of Undertow from Engineering Practice, pp. 39-40

O. F. Evans

A Bacterial Pathogen of the Citrus Red Scale, pp. 40-41

V. P. Sokoloff; L. J. Klotz

Pro and Con Evolution in Contemporary Germany, p. 41

Otto Haas

Carl Friedrich Gauss's Descendants in America, p. 41

R. C. Archibald

Scientific Books

Mathematics, pp. 41-42

Gap and Density Theorems

Norman Levinson

Fourier Series and Boundary Value Problems

Ruel V. Churchill

Review author[s]: J. D. Tamarkin

Societies and Meetings

The Kansas Academy of Science, pp. 42-44

Roger C. Smith

Reports

Additional Cooperative Studies of the Relation between Mosquito Control and Wildlife Conservation, pp. 44-45

The Chicago Museum of Science and Industry, pp. 45-46

R. W. Gerard; Anton J. Carlson; Arthur H. Compton; Chas. H. Behre

Special Articles

Association of the Wassermann Antigen with Heavy Materials Present in Tissues, pp. 46-47

Jacob Furth; Elvin A. Kabat

Quantitative Changes in the Substrate-Dehydrogenase System of Drosophila Pupae during Metamorphosis, pp. 48-49

Alexander Wolsky

Ozonization of o-Xylene and 1,2,4-Trimethylbenzene, p. 49

J. P. Wibaut; P. W. Haayman

Scientific Apparatus and Laboratory Methods

Preservation of Biological Specimens with Isobutyl Methacrylate Polymer, pp. 49-50

M. D. Wheatley

A Simple Improvement in the Frog Web Circulation Demonstration, p. 50

Wm. A. Hiestand

Science News, pp. 8+11
Back Matter (1 p.)

Previous Issue: New Series, Vol. 94, No. 2427, Jul. 4, 1941
Next Issue: New Series, Vol. 94, No. 2429, Jul. 18, 1941

Science, New Series, Vol. 94, No. 2429, Jul. 18, 1941

Previous Issue: New Series, Vol. 94, No. 2428, Jul. 11, 1941
Next Issue: New Series, Vol. 94, No. 2430, Jul. 25, 1941

Front Matter (9 pp.)

The American Association for the Advancement of Science

The Durham Meeting of the American Association for the Advancement of Science, pp. 51-56

F. R. Moulton

The Askoy Expedition of the American Museum of Natural History in the Eastern Tropical Pacific, pp. 57-58

Robert Cushman Murphy

Scientific Events

The Fairchild Connecticut Garden, pp. 58-59

The American Chemical Society and Organized Labor, p. 59

The American Society of Mammalogists, pp. 59-60

Officers of the Society for Research on Meteorites, p. 60

The Birthday Honors Conferred by the King of England, p. 60

Recent Deaths, p. 61

Scientific Notes and News, pp. 61-63

Discussion

The Breathing Mechanism of Turtles, p. 64

Ira B. Hansen

Nicotiana Rustica Cultivated by Pueblo Indians, pp. 64-65

Leslie A. White

Cervical Exposure and Abrasion in Human Teeth for Different Age Classes, pp. 65-66

Paul C. Kitchin

The Effect of Chloroform on Some Insect Bites, p. 66

W. A. Hoffman

Preservation of Sample Areas in the National Forests, pp. 66-67

Willard G. Van Name

Scientific Books

Advances in Enzymology, pp. 67-68

Advances in Enzymology and Related Subjects

F. F. Nord; C. H. Werkman

Review author[s]: Carl F. Cori

Societies and Meetings

The Eastern Section of the Seismological Society of America, pp. 68-69

William A. Lynch

The Southeastern Section of the Botanical Society of America, p. 69

Kenneth W. Hunt

The Eleventh Annual Field Conference of Pennsylvania Geologists, pp. 69-70

M. N. Shaffner

Special Articles

Prevention of Tumor Growth (Carcinoma 2163) by Intravenous Injections of Yeast and Vitamins, pp. 70-71

R. Lewisohn; C. Leuchtenberger; R. Leuchtenberger; D. Laszlo; K. Bloch

Effects of Vitamin B1 on Woody Erosion-Control Plants, pp. 71-72

Maurice Donnelly

Taconic Allochthone and the Martic Thrust, p. 73

G. Marshall Kay

Scientific Apparatus and Laboratory Methods

The Determination of Amino Acids of the Dextro or Unnatural Configuration, pp. 73-74

Robert R. Sealock

A New Method of Plant Propagation, p. 74

P. P. Pirone

Science News, pp. 8-10

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Next Issue: New Series, Vol. 94, No. 2430, Jul. 25, 1941

Science, New Series, Vol. 94, No. 2430, Jul. 25, 1941

Previous Issue: New Series, Vol. 94, No. 2429, Jul. 18, 1941
Next Issue: New Series, Vol. 94, No. 2431, Aug. 1, 1941

Front Matter (10 pp.)
Aspects of Modern Psychology, pp. 75-81

Charles S. Myers

Is This Success?, pp. 81-82

Royal N. Chapman

Scientific Events

Gifts to Science and Education, p. 83

The Standards Council of the American Standards Association, pp. 83-84

The Memorial Hospital, New York City, p. 84

Awards of the Social Science Research Council, pp. 84-85

Engineering Awards in Great Britain, p. 85

Deaths and Memorials, p. 85

Scientific Notes and News, pp. 86-88

Discussion

Induced Biotin Deficiency as a Possible Explanation of Observed Spontaneous Recessions in Malignancy, pp. 88-89

William L. Laurence

Pre-Euclidean Greek Mathematics, pp. 89-90

G. A. Miller

Cross-Fertilization of Echinoderms, p. 90

Ethel Browne Harvey

Phosphorescence of Human Teeth, pp. 90-91

Jack De Ment

Scientific Books

Recent Publications of the British Museum (Natural History), pp. 91-92

Review author[s]: T. D. A. Cockerell

Societies and Meetings

The Seventh Annual Washington Conference of Theoretical Physics, May 22-24, 1941, pp. 92-94

E. Teller; G. Gamow; J. A. Fleming

Special Articles

On the Hormonal Activity of a Steroid Compound, p. 94

Hans Selye

The Human Excretion of Carotenoids and Vitamin A, pp. 95-96

George Wald; William R. Carroll; Daniel Sciarra

Correlation of Activity per Unit Weight of Tobacco-Mosaic Virus with Age of Lesion, pp. 96-97

Ernest L. Spencer

Scientific Apparatus and Laboratory Methods

Measurement of Respiration and Glycolysis of a Single Sample of Tissue in Serum, pp. 97-98

Charles O. Warren

The Preservation of Oxidizable Substances in Solution, p. 98

Seward E. Owen

Science News, pp. 8+10

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Science, New Series, Vol. 94, No. 2431, Aug. 1, 1941

Previous Issue: New Series, Vol. 94, No. 2430, Jul. 25, 1941
Next Issue: New Series, Vol. 94, No. 2432, Aug. 8, 1941

Front Matter (11 pp.)
The Metamorphosis of Drug Research, pp. 99-102

Theodore G. Klumpp

Aspects of Modern Psychology. II, pp. 102-105

Charles S. Myers

Obituary

Eugene Davenport, pp. 105-107

David Kinley

Recent Deaths, p. 107

Scientific Events

America and British Science, pp. 107-108

The Institute of Technology of Northwestern University, p. 108

The National Foundation for Infantile Paralysis, pp. 108-109

Survey of Industrial Research, pp. 109-110

Scientific Notes and News, pp. 110-112

Discussion

The High Wax Content of Green Lint Cotton, p. 113

Carl M. Conrad

Poliomyelitis in a Laboratory Worker Exposed to the Virus, pp. 113-114

Albert B. Sabin; Robert Ward

Anopheles (Kerteszia) Bellator D. & K., Found Naturally Infected with Plasmodium, p. 114

L. E. Rozeboom; L. A. Fox; R. L. Laird

The Place of Microfilm Copying in Library Organization, pp. 114-115

Atherton Seidell

Scientific Books

Electroencephalography, pp. 115-116

Atlas of Electroencephalography

F. A. Gibbs; E. L. Gibbs

Review author[s]: Hallowell Davis

Psychology, pp. 116-117

General Psychology

Raymond B. Cattell

Review author[s]: R. S. Woodworth

Special Articles

Chimpanzee Handedness, pp. 117-118

Glen Finch

Change from Self-Incompatibility to Self-Compatibility Accompanying Change from Diploidy to Tetraploidy, p. 118

A. B. Stout; Clyde Chandler

The Photochemical Spectrum of Cytochrome Oxidase in Heart Muscle, pp. 118-119

Joseph L. Melnick

Scientific Apparatus and Laboratory Methods

The Examination of Contaminated Waters, pp. 119-120

Harold Leon Fruitman

Permanent Mounts of Virus-Infected Chorioallantoic Membranes, p. 120

Wolcott B. Dunham

Correction: Prevention of Tumor Growth (Carcinoma 2163) by Intravenous Injections of Yeast and Vitamins, p. 120
Science News, pp. 10-12

Previous Issue: New Series, Vol. 94, No. 2430, Jul. 25, 1941
Next Issue: New Series, Vol. 94, No. 2432, Aug. 8, 1941

Science, New Series, Vol. 94, No. 2432, Aug. 8, 1941

Previous Issue: New Series, Vol. 94, No. 2431, Aug. 1, 1941
Next Issue: New Series, Vol. 94, No. 2433, Aug. 15, 1941

Front Matter (10 pp.)

The American Association for the Advancement of Science

The Pasadena Meeting of the Pacific Division, pp. 121-130

J. Murray Luck

Obituary

Erhard Fernholz, pp. 130-131

George A. Harrop; Homer E. Stavely

Recent Deaths, p. 131

Scientific Events

The Royal College of Surgeons, pp. 131-132

Expeditions of the American Museum of Natural History, p. 132

Award to the Bausch and Lomb Optical Company, pp. 132-133

Defense Training Courses of College Grade, pp. 133-134

Research in Industry, p. 134

Scientific Notes and News, pp. 134-136

Discussion

Illusions in Printed Matter, pp. 136-137

C. E. Waters

Designation of Locations on Maps, p. 137

Robert H. Merrill

International Cooperation, pp. 137-138

Marshall H. Stone

Scientific Books

Vitamins, pp. 138-139

The Avitaminoses

Walter H. Eddy; Gilbert Dalldorf

Review author[s]: S. B. Wolbach

Cells, p. 139

Unresting Cells

R. W. Gerard

Review author[s]: D. F. Poulson

Reports

Award of Guggenheim Fellowships for 1941, pp. 139-142

Special Articles

The Origin of the Rete Apparatus in the Opossum, pp. 142-144

R. K. Burns

Arginase, p. 144

Renate Junowicz-Kocholaty; Walter Kocholaty

The Induction of Fertility in Genetically Self-Sterile Plants, pp. 144-145

William H. Eyster

Scientific Apparatus and Laboratory Methods

A New Procedure for Adsorption Analysis, pp. 145-146

Arne Tiselius

Science News, pp. 8+10-11
Back Matter (1 p.)

Previous Issue: New Series, Vol. 94, No. 2431, Aug. 1, 1941
Next Issue: New Series, Vol. 94, No. 2433, Aug. 15, 1941

Science, New Series, Vol. 94, No. 2433, Aug. 15, 1941

Previous Issue: New Series, Vol. 94, No. 2432, Aug. 8, 1941
Next Issue: New Series, Vol. 94, No. 2434, Aug. 22, 1941

Front Matter (9 pp.)

The American Association for the Advancement of Science

Preliminary Announcement of the Fifth Chicago Meeting, pp. 147-151

F. R. Moulton

Colloids in Astronomy and Meteorology, pp. 151-155

Jerome Alexander

Obituary

James W. Glover, pp. 156-157

Louis C. Karpinski

Scientific Events

The Federal Department of Health of Brazil, p. 157

Grants of the Geological Society of America, pp. 157-158

The Annual Report of the Director of Field Museum of Natural History, pp. 158-159

U. S. Civil Service Examinations, p. 159

Scientific Notes and News, pp. 159-162

Discussion

The Cultivation of Cotton by Pueblo Indians of New Mexico, p. 162

Leslie A. White

The Preservation of Natural Areas Exemplifying Vegetation Types, p. 163

I. T. Haig

Man's Biological Outlook, pp. 163-164

Gerrit S. Miller

The Law of Urban Concentration, p. 164

Alfred J. Lotka; E. L. Thorndike

Scientific Books

Endocrinology, pp. 164-165

Endocrinology. The Glands and Their Functions

R. G. Hoskins

Review author[s]: C. N. H. Long

The Theory of Newtonian Attraction, pp. 165-166

An Introduction to the Theory of Newtonian Attraction

A. S. Ramsey

Review author[s]: G. C. Evans

Societies and Meetings

The American Association of Botanical Gardens and Arboretums, pp. 166-167

Donald Wyman

Special Articles

Dietary Requirements for Fertility and Lactation. XXX. Role of p-Aminobenzoic Acid and Inositol in Lactation, p. 167

Barnett Sure

Hearing in the Rat at High Frequencies, p. 168

James Gould; Clifford Morgan

The Germination of Maize Pollen, pp. 168-169

R. A. Bair; W. E. Loomis

Scientific Apparatus and Laboratory Methods

The Daily Removal of Formalin from Preserved Biological Specimens Used in Class Work, pp. 169-170

W. B. Fort; H. C. Wilson; H. G. Goldberg

A Simple Method for Removing the Plungers of "Frozen" Glass Syringes, p. 170

Augusta B. McCoord

Science News, pp. 8-10

Previous Issue: New Series, Vol. 94, No. 2432, Aug. 8, 1941
Next Issue: New Series, Vol. 94, No. 2434, Aug. 22, 1941

Science, New Series, Vol. 94, No. 2434, Aug. 22, 1941

Previous Issue: New Series, Vol. 94, No. 2433, Aug. 15, 1941
Next Issue: New Series, Vol. 94, No. 2435, Aug. 29, 1941

Front Matter (10 pp.)
Problems Confronting Medical Investigators, pp. 171-179

Walter B. Cannon

The American Association for the Advancement of Science

Special Research Conferences on Chemistry, pp. 179-180

F. R. Moulton

The Southwestern Division, pp. 180-182

Frank E. E. Germann

Scientific Events

Chemical Research Reports, p. 182

Grants of the Geological Society of America, pp. 182-183

The Optical Society of America, p. 183

Recent Deaths, p. 184

Scientific Notes and News, pp. 184-186

Discussion

Nutritional Deficiency as a Factor in the Abnormal Behavior of Experimental Animals, p. 186

C. G. King; H. W. Karn; R. A. Patton

A Physiological Basis for the Differential Resistance of the Two Races of Red Scale to HCN, p. 187

N. F. Hardman; Roderick Craig

Palm Patterns and Handedness, p. 187

David C. Rife

The Early Use of Implanted Electrodes for Stimulation of the Cortex Cerebri, pp. 187-188

Sam L. Clark

Scientific Books

Mathematical Tables, pp. 188-189

Mathematical Tables, Vol. IX. Table of Powers Giving Integral Powers of Integers

British Association for the Advancement of Science

Review author[s]: Barkley Rosser

Societies and Meetings

The Alabama Academy of Science, pp. 189-190

Winnie McGlamery

The Maryland Academy of Sciences, p. 190

J. Wallace Page

Special Articles

The Fall in Blood Pressure Associated with Intravenous Injection of Tissue Extracts, pp. 190-191

E. Mylon; H. Hoff; R. Katzenstein; M. C. Winternitz

Identity of an Iodine-Storing Tissue in an Ascidian, p. 192

Aubrey Gorbman

The Polarization of Atmospheric Haze, pp. 192-193

George M. Byram

Scientific Apparatus and Laboratory Methods

The Typing of Hemolytic Streptococci, pp. 193-194

Paul L. Boisvert

An Automatic Device for Periodically Determining and Recording Both Systolic and Diastolic Blood Pressure in Man, p. 194

Warren E. Gilson; Harold Goldberg; Harvey C. Slocum

Science News, pp. 8+10-11
Back Matter (1 p.)

Previous Issue: New Series, Vol. 94, No. 2433, Aug. 15, 1941
Next Issue: New Series, Vol. 94, No. 2435, Aug. 29, 1941

Science, New Series, Vol. 94, No. 2435, Aug. 29, 1941

Previous Issue: New Series, Vol. 94, No. 2434, Aug. 22, 1941
Next Issue: New Series, Vol. 94, No. 2436, Sep. 5, 1941

Front Matter (7 pp.)
Earthquake Risk and its Abatement in California, pp. 195-200

Harry O. Wood

The Role of Aerobic Phosphorylation in the Pasteur Effect, pp. 200-202

Marvin J. Johnson

Obituary

George Ellett Coghill, pp. 202-204

C. Judson Herrick

Harry Milton Wegeforth, p. 204

W. C. Crandall

Recent Deaths, p. 204

Scientific Events

Field Work in Geology in Canada, pp. 204-205

The American Coordinating Committee on Corrosion, p. 205

Report of the Subcommittee on Education for Service of the American Mathematical Society and the Mathematical Association of America, pp. 205-206

Election to Beit Memorial Fellowships, p. 206

Representation by Institutions at the Marine Biological Laboratory, p. 206

The Chicago Meeting of the Academy of Ophthalmology and Otolaryngology, pp. 206-207

Scientific Notes and News, pp. 207-209

Discussion

The Interpretation of Experimental Four-Fold Tables, pp. 210-211

R. A. Fisher

Electrical Activity of Acetylcholine, pp. 211-212

R. Beutner; T. Cunliffe Barnes

The Determination of Thiamin by the Yeast Fermentation Method, p. 212

Alfred S. Schultz; Lawrence Atkin; Charles N. Frey

Control of Red Spider (Tetranychus Telarius) by Phthalic Glyceryl Alkyd Resin, pp. 212-213

P. A. Ark; C. M. Tompkins

A Bird List, p. 213

Richard H. Pough

Scientific Books

Zoology, pp. 213-214

A Text Book of Zoology

T. Jeffery Parker; William A. Haswell

Review author[s]: William K. Gregory

Symbolic Logic, pp. 214-215

Introduction to Logic

Alfred Tarski

Review author[s]: Saunders MacLane

Reports

The Ella Sachs Plotz Foundation for the Advancement of Scientific Investigation, pp. 215-216

Special Articles

The Prevention by Alpha-Tocopherol of "Cod Liver Oil Muscular Dystrophy" in the Rabbit, pp. 216-217

C. G. Mackenzie; Julia B. Mackenzie; E. V. McCollum

The Apparent Effect of Tyrothrycin on Streptococcus Hemolyticus in the Rhinopharynx of Carriers, pp. 217-218

Emanuel B. Schoenbach; John F. Enders; J. Howard Mueller

Development of Homeothermy in Birds, pp. 218-219

Alexis L. Romanoff

Scientific Apparatus and Laboratory Methods

An A. C. Operated Electronic Inductorium, pp. 219-220

A. B. Cullen

Science News, pp. 6-7
Back Matter (1 p.)

Previous Issue: New Series, Vol. 94, No. 2434, Aug. 22, 1941
Next Issue: New Series, Vol. 94, No. 2436, Sep. 5, 1941

Science, New Series, Vol. 94, No. 2436, Sep. 5, 1941

Previous Issue: New Series, Vol. 94, No. 2435, Aug. 29, 1941
Next Issue: New Series, Vol. 94, No. 2437, Sep. 12, 1941

Front Matter (12 pp.)
The New Frontiers in the Atom, pp. 221-225

Ernest O. Lawrence

Obituary

Howard Walton Clark, p. 226

F. M. MacFarland

Deaths and Memorials, p. 226

Scientific Events

The Royal Observatory, Greenwich, p. 227

Cosmic Ray Investigations, pp. 227-228

Commission to China on Malaria Control, pp. 228-229

The Fiftieth Anniversary of the University of Chicago, p. 229

Symposia at the Atlantic City Meeting of the American Chemical Society, p. 229

Scientific Notes and News, pp. 229-232

Discussion

The Magnetic Current, pp. 232-233

Felix Ehrenhaft

Effect of Thymus Extract Injections on Rats, pp. 233-234

Isaac Neuwirth; Harold I. Venokur

A Nucleus-Like Structure in a Staphylococcus, p. 234

Georges Knaysi

How Many Species of Plants Are There?, p. 234

G. Neville Jones

Quotations

The Giant Cyclotron, pp. 235-236

Scientific Books

Human Nature, pp. 236-238

Human Nature and the Social Order

E. L. Thorndike

Review author[s]: Lewis M. Terman

Special Articles

Failure of Barley to Fix Molecular N, pp. 238-239

R. H. Burris

Crown Gall Production by Bacteria-Free Tumor Tissues, pp. 239-241

Philip R. White; Armin C. Braun

Scientific Apparatus and Laboratory Methods

Collodion Fixation: A New Immunological Reaction, pp. 241-242

Kenneth Goodner

Science News, pp. 10+12
Back Matter (4 pp.)

Previous Issue: New Series, Vol. 94, No. 2435, Aug. 29, 1941
Next Issue: New Series, Vol. 94, No. 2437, Sep. 12, 1941

Science, New Series, Vol. 94, No. 2437, Sep. 12, 1941

Previous Issue: New Series, Vol. 94, No. 2436, Sep. 5, 1941
Next Issue: New Series, Vol. 94, No. 2438, Sep. 19, 1941

Front Matter (11 pp.)
Some Social Implications of the Scientific Method, pp. 243-248

L. H. MacDaniels

Obituary

Robert Thomas Hill: 1858-1941, pp. 249-250

Frederic H. Lahee

Recent Deaths, p. 250

Scientific Events

International Relations of Science, p. 250

The Office of Defense Health and Welfare Services, p. 250

The Westinghouse Time Capsule, p. 251

Celebration at Rutgers University, p. 251

Award of the Baly Medal of the Royal College of Physicians, pp. 251-252

Awards of the American Chemical Society, p. 252

Scientific Notes and News, pp. 253-255

Discussion

Reorganization at the Los Angeles Museum, pp. 255-256

A. W. Bell

Blood Group Specific Substances and Blood Transfusions, pp. 256-257

Ernest Witebsky; Niels C. Klendshoj

Clinical Achromotrichia, pp. 257-258

Benjamin F. Sieve

Quotations

Chemistry and Cancer, p. 258

Scientific Books

Organic Chemistry, pp. 258-260

High Polymers

R. E. Burk; H. Mark; G. S. Whitby

Volume I. Collected Papers of W. H. Carothers on High Polymeric Substances

H. Mark; G. S. Whitby

Volume II. Physical Chemistry of High Polymeric Systems

H. Mark

Catalysis--Inorganic and Organic

Sophia Berkman; Jacque C. Morrell; Gustav Egloff

The Ring Index--A List of Ring Systems Used in Organic Chemistry

Austin M. Patterson; Leonard T. Capell

The Theory of Organic Chemistry--An Advanced Course

Gerald E. K. Branch; Melvin Calvin

Laboratory Outlines and Notebook for Organic Chemistry

Cecil E. Boord; Wallace R. Brode; Roy G. Bossert

Review author[s]: C. S. Marvel; Roger Adams; C. C. Price; R. L. Shriner

Special Articles

A Study of Hormonal Factors Which Influence the Production of Insulin, pp. 260-261

Casimir Funk; I. M. Chamelin; Harry Wagreich; Benjamin Harrow

Cure of Egg-White Injury in Rats by the "Toxic" Fraction (Avidin) of Egg White Given Parenterally, pp. 261-262

Paul György; Catharine S. Rose

Biotin and the Growth of Neurospora, pp. 262-263

Ellys T. Butler; William J. Robbins; B. O. Dodge

Scientific Apparatus and Laboratory Methods

A Precision Fine Adustment for Standard Microscopes, pp. 263-264

D. H. Hamly

Carriage for a Large Number of Specimens during Paraffin Infiltration, p. 264

Victor M. Emmel

Drainage in the Little-Wells Apparatus for Gas Analysis, p. 264

John L. Fuller

Science News, pp. 10-11
Back Matter (1 p.)

Previous Issue: New Series, Vol. 94, No. 2436, Sep. 5, 1941
Next Issue: New Series, Vol. 94, No. 2438, Sep. 19, 1941

Science, New Series, Vol. 94, No. 2438, Sep. 19, 1941

Previous Issue: New Series, Vol. 94, No. 2437, Sep. 12, 1941
Next Issue: New Series, Vol. 94, No. 2439, Sep. 26, 1941

Front Matter (10 pp.)
Successes and Failures of Experimental Psychology, pp. 265-270

R. S. Woodworth

Obituary

Victor Jollos: 1887-1941, pp. 270-272

R. A. Brink

Deaths and Memorials, p. 272

Scientific Events

The British Council, pp. 272-273

Preference Rating for Research Supplies and Equipment, p. 273

The New York Aquarium, p. 273

Positions under the Federal Government, p. 274

Mellon Institute Technochemical Lectures, pp. 274-275

The Wisconsin Meeting of the National Academy of Sciences, p. 275

Scientific Notes and News, pp. 275-277

Discussion

An Introductory Course in Basic Physics, pp. 277-278

Alan Hazeltine

Collection and Filing of Absorption Spectra Data, p. 278

Alfred H. Taylor

The Occurrence of Freshwater Sponges in the Hawaiian Islands, pp. 278-279

Arthur Svihla

Earliest Land Vertebrates of This Continent, p. 279

Alfred S. Romer

Quotations

Soil Fertility, pp. 279-280

Scientific Books

Qualitative Analysis, pp. 280-282

Elementary Qualitative Analysis

J. H. Reedy

Semi-Micro Qualitative Analysis

Carl J. Engelder; Tobias H. Dunkelberger; William J. Schiller

An Introduction to Quantitative Chemical Analysis

Warren C. Vosburgh

Ionic Equilibrium as Applied to Qualitative Analysis

T. R. Hogness; Warren C. Johnson

Review author[s]: F. A. Long; John H. Yoe; Villiers W. Meloche; Byron A. Soule

Special Articles

Typical Urinary Crystals of Three Sulfanilamide Derivatives Produced in Vitro, pp. 282-283

David Lehr; William Antopol

A Filterable Virus Demonstrated to Be the Infective Agent in Ovine Balano-Posthitis, pp. 283-284

E. A. Tunnicliff; Peter H. Matisheck

Syntheses of Model Unsaturated Lactones Related to the Cardiac Aglycones, pp. 284-285

Robert G. Linville; Josef Fried; Robert C. Elderfield

Scientific Apparatus and Laboratory Methods

The Magnetic Properties of Catalase, p. 285

L. Michaelis; S. Granick

Glass Electrode for Determination of Hydrogen Ion Activity of Small Quantities of Culture Media, pp. 285-286

C. Lloyd Claff

Science News, pp. 8+10-11
Back Matter (1 p.)

Previous Issue: New Series, Vol. 94, No. 2437, Sep. 12, 1941
Next Issue: New Series, Vol. 94, No. 2439, Sep. 26, 1941

Science, New Series, Vol. 94, No. 2439, Sep. 26, 1941

Previous Issue: New Series, Vol. 94, No. 2438, Sep. 19, 1941
Next Issue: New Series, Vol. 94, No. 2440, Oct. 3, 1941

Front Matter (9 pp.)
The Pacific Ocean, pp. 287-293

H. U. Sverdrup

Obituary

Dr. Edward Kremers, pp. 293-294

George Urdang

Recent Deaths, p. 294

Scientific Events

Chemistry in College-Grade Defense Training, pp. 294-295

The Submicroscopical Research Center at Stanford University, p. 295

A New Biological Laboratory in Alaska, p. 295

F. A. Davidson

The Use for Defense Purposes of the Building in Washington of the National Academy of Sciences, pp. 295-296

The British Association, p. 296

Scientific Notes and News, pp. 296-298

Discussion

The Current List of Medical Literature, pp. 299-300

Joe Hare

Young Sailfish, pp. 300-301

William Beebe

A Submerged Migration Route, p. 301

Paul B. Sears

The Relationship of the American Pharmaceutical Association to the United States Pharmacopoeia, pp. 301-302

Geo. D. Beal

Quotations

The Mathematical Tool, p. 302

Scientific Books

Physics and Philosophy, p. 303

Between Physics and Philosophy

Philipp Frank

Review author[s]: W. F. G. Swann

A Background to Museum Exhibition, p. 304

By Their Works

H. Phelps Clawson

Review author[s]: George C. Vaillant

Reports

The Proposed Society for Freedom in Science, pp. 304-305

Special Articles

Western Equine and St. Louis Encephalitis Antibodies in the Sera of Mammals and Birds from an Endemic Area, pp. 305-307

William McD. Hammon; John A. Gray; Francis C. Evans; Ernest M. Izumi; Howard W. Lundy

A Syndrome in Macacus Rhesus after Inoculation of Stool from Carriers of Poliomyelitis Virus, pp. 307-308

George Y. McClure

Resynthesis of Biotin from a Degradation Product, pp. 308-309

Donald B. Melville; Klaus Hofmann; Vincent Du Vigneaud

Scientific Apparatus and Laboratory Methods

An Inexpensive Square-Wave Generator, p. 309

Craig W. Goodwin

An Adjustable Resistor for Flowmeters, pp. 309-310

Ernest L. Gooden

Science News, pp. 8-9
Back Matter (1 p.)

Previous Issue: New Series, Vol. 94, No. 2438, Sep. 19, 1941
Next Issue: New Series, Vol. 94, No. 2440, Oct. 3, 1941

Science, New Series, Vol. 94, No. 2440, Oct. 3, 1941

Previous Issue: New Series, Vol. 94, No. 2439, Sep. 26, 1941
Next Issue: New Series, Vol. 94, No. 2441, Oct. 10, 1941

Front Matter (13 pp.)
The Metal Carbonyls, pp. 311-317

Arthur A. Blanchard

Obituary

William Francis Ganong: 1864-1941, pp. 317-318

Frances Grace Smith; Helen A. Choate

Deaths and Memorials, p. 318

Scientific Events

Buhl Foundation Grant to the University of Pittsburgh, p. 319

The Bermuda Biological Station for Research, p. 319

The Harvard School of Dental Medicine, pp. 319-320

The Science Clubs of America, p. 320

The American Chemical Society, pp. 320-321

The Scientific Conference in London, p. 321

Honorary Degrees Conferred at the Fiftieth Anniversary of the University of Chicago, pp. 321-322

Scientific Notes and News, pp. 322-324

Discussion

The Effectiveness of Equimolar Quantities of Various Cardiac Glycosides, pp. 324-325

Maurice B. Visscher; John S. LaDue

A Note on Szent-Gyorgyi's "Toward a New Biochemistry", pp. 325-326

Eugene W. Pike; F. H. Pike

One Source of Clay Balls, p. 326

George M. Robertson

A Florida White Blackberry, p. 326

W. A. Murrill

An Analysis of the Major Interests of the Members of the Botanical Society of America, pp. 326-327

Oswald Tippo

Scientific Books

Physical Chemistry, pp. 327-328

Physical Chemistry, A Brief Course

Louis J. Bircher

Review author[s]: Victor K. LaMer

Kinetic Theory of Gases, p. 328

An Introduction to the Kinetic Theory of Gases

James Jeans

Review author[s]: W. F. G. Swann

Special Articles

Isolation of the Viruses of Western Equine and St. Louis Encephalitis from Culex Tarsalis Mosquitoes, pp. 328-330

William McD. Hammon; William C. Reeves; Bernard Brookman; Ernest M. Izumi; C. M. Gjullin

Diagnosis of Epidemic Encephalitis by Complement-Fixation Test, p. 330

J. Casals; R. Palacios

Fluorescence of Harderian Glands in Mice of Cancer-Susceptible and Cancer-Resistant Strains, p. 331

L. C. Strong; F. H. J. Figge

Scientific Apparatus and Laboratory Methods

A New Digestion Tube, pp. 331-332

Joseph Benotti; Norbert Benotti; Ethan Allan Brown

A Technique for Continuous or Intermittent Observation of the Contractile Vacuoles of Paramecium, p. 332

James Sumner Lee

Science News, pp. 10+12+14
Back Matter (2 pp.)

Previous Issue: New Series, Vol. 94, No. 2439, Sep. 26, 1941
Next Issue: New Series, Vol. 94, No. 2441, Oct. 10, 1941

Science, New Series, Vol. 94, No. 2441, Oct. 10, 1941

Previous Issue: New Series, Vol. 94, No. 2440, Oct. 3, 1941
Next Issue: New Series, Vol. 94, No. 2442, Oct. 17, 1941

Front Matter (11 pp.)
The Next Fifty Years, pp. 333-335

Robert M. Hutchins

Hypothesis as to the Origin of Cosmic Rays and the Experimental Testing of It in India and Elsewhere, pp. 335-336

R. A. Millikan; H. V. Neher; W. H. Pickering

The Department of Astronomy of the University of Chicago, pp. 337-338

Otto Struve

Obituary

Walter Granger, pp. 338-339

G. G. Simpson

Deaths and Memorials, p. 339

Scientific Events

The Mathematicians of America and of Soviet Russia, p. 340

New Typhus Vaccine Being Tested in Bolivia, p. 340

The Wartime Service of Biological Abstracts, pp. 340-341

Census of Scientific and Specialized Workers in the United States and in Other Countries, p. 341

Retirements at the Ohio State University, pp. 341-342

Scientific Notes and News, pp. 342-344

Discussion

The Vertical Distribution of Heavy Minerals in Virgin and Cultivated Soils, pp. 344-345

H. J. Lutz

Reporting Data on Electric Mobility, p. 345

Harold A. Abramson

Antidoting Toxin of Phytophthora Cactorum as a Means of Plant Disease Control, p. 345

Frank L. Howard

The First Mathematics Section of the National Academy of Sciences, pp. 345-346

G. A. Miller

Scientific Books

Infectious Disease, pp. 346-348

Biological Aspects of Infectious Disease

F. M. Burnet

Review author[s]: K. F. Meyer

Special Articles

The Effect of 17-Hydroxycorticosterone and Related Adrenal Cortical Steroids on Sodium and Chloride Excretion, pp. 348-349

George W. Thorn; Lewis L. Engel; Roger A. Lewis

The Enzymatic Link between Dihydro-Diphosphopyridine Nucleotide and Cytochrome C, pp. 349-350

A. M. Altschul; H. Persky; T. R. Hogness

Factors in Coconut Milk Essential for Growth and Development of Very Young Datura Embryos, pp. 350-351

J. Van Overbeek; Marie E. Conklin; A. F. Blakeslee

Scientific Apparatus and Laboratory Methods

A Mincer Adaptable to Small Quantities of Tissue, pp. 351-352

M. H. Seevers; F. E. Shideman

A Combined Fixative and Stain for the Cilia and Trichocysts of Paramecium, p. 352

James Sumner Lee

Science News, pp. 10-12
Back Matter (2 pp.)

Previous Issue: New Series, Vol. 94, No. 2440, Oct. 3, 1941
Next Issue: New Series, Vol. 94, No. 2442, Oct. 17, 1941

Science, New Series, Vol. 94, No. 2442, Oct. 17, 1941

Previous Issue: New Series, Vol. 94, No. 2441, Oct. 10, 1941
Next Issue: New Series, Vol. 94, No. 2443, Oct. 24, 1941

Front Matter (10 pp.)
The Chicago Meeting of the American Association for the Advancement of Science, pp. 353-356

F. R. Moulton

Origin and Ideals of the National Science Fund, pp. 356-358

Albert F. Blakeslee

Obituary

Charles Branch Wilson October 20, 1861-August 18, 1941, pp. 358-359

Waldo L. Schmitt

Scientific Events

Chemical Research Activity, p. 359

Alaskan Expedition of the American Museum of Natural History, pp. 359-360

The Engineers' Defense Board, pp. 360-361

The Monthly Science News of the British Council, p. 361

The Contribution of Harvard University to National Defense, p. 361

The Hundred and Seventy-Fifth Anniversary of the Founding of Rutgers University, pp. 361-362

Scientific Notes and News, pp. 362-364

Discussion

The Zoological Museum at Tring, pp. 364-365

T. D. A. Cockerell

Alcaptonuria in a Negro Family, pp. 365-366

Lynn D. F. Abbott

Human Gene Symbols, pp. 366-367

Herluf H. Strandskov

Feeding Behavior of a Water Snake, p. 367

Dayton Stoner

Scientific Books

Chemistry, pp. 367-368

A Practical Survey of Chemistry

Walter S. Dyer

Fundamental Chemistry

Horace G. Deming

General College Chemistry

Joseph A. Babor; Alexander Lehrman

Introductory College Chemistry

Joseph A. Babor; Alexander Lehrman

Review author[s]: R. W. Getchell; Hubert N. Alyea; L. L. Quill

Reports

Some Educational Effects and Implications of the Defense Program, pp. 368-369

Special Articles

The Comparative Value of the Blood Plasma Vitamin a Concentration and the Dark Adaptation as a Criterion of Vitamin A Deficiency, pp. 370-371

Oscar Bodansky; J. M. Lewis; Charles Haig

Pathogenesis of Erythroblastosis Fetalis: Statistical Evidence, pp. 371-372

Philip Levine; P. Vogel; E. M. Katzin; L. Burnham

Mosaic, Chlorosis and Necrosis in Virus-Infected Perennial Pepper Caused Directly by Products of a Deranged Metabolism, pp. 372-373

H. H. McKinney; Claude H. Hills

Scientific Apparatus and Laboratory Methods

A Method for Continuously Determining the Rate of Oxygen Consumption for Laboratory Animals, pp. 373-374

S. Anderson Peoples

Science News, pp. 8+10
Back Matter (2 pp.)

Previous Issue: New Series, Vol. 94, No. 2441, Oct. 10, 1941
Next Issue: New Series, Vol. 94, No. 2443, Oct. 24, 1941