Science, New Series, Vol. 81, No. 2088, Jan. 4, 1935

Previous Issue: New Series, Vol. 80, No. 2087, Dec. 28, 1934
Next Issue: New Series, Vol. 81, No. 2089, Jan. 11, 1935

Volume Information (8 pp.)
Front Matter (3 pp.)

The American Association for the Advancement of Science

The Atmospheres of the Planets, pp. 1-9

Henry Norris Russell

Scientific Events

The British Water Pollution Research Board, pp. 9-10

The Annual Report of the Director of the Field Museum of Natural History, p. 10

Officers of the American Association for the Advancement of Science, pp. 10-11

Recent Deaths, p. 11

Scientific Notes and News, pp. 12-15

Discussion

Report of the Science Advisory Board, p. 15

Karl T. Compton

Behavior Pattern and Behavior Morphology, pp. 15-18

Arnold Gesell

The Origin of Natural Oil, p. 18

E. Berl

Lunar Rings, pp. 18-19

G. D. Hanna; W. M. Grant

Scientific Books

The Story of a Mind, pp. 19-20

Franklin Paine Mall, The Story of a Mind

Florence Rena Sabin

Review author[s]: E. G. Conklin

Recent Zoological Text-Books, pp. 21-23

An Introductory Course in Science for Colleges

Frank Covert Jean; Ezra Clarence Harrah; Fred Louis Herrman; Samuel Ralph Powers

I. Man and the Nature of his Physical Universe

II. Man and the Nature of his Biological World

Laboratory Outlines for Animal Biology

Michael F. Guyer; Halcyon W. Hellbaum

General Zoology

Frederick H. Krecker

Elements of Modern Biology

Charles Robert Plunkett

Principles of Animal Biology

A. Franklin Shull; George R. Larue; Alexander G. Ruthven

Animal Biology

Robert H. Wolcott

Review author[s]: A. S. Pearse

Scientific Apparatus and Laboratory Methods

A Timing Device for Taking Motion Pictures, pp. 23-24

Gustav Zechel; Oscar Morgenstern

Note on Keeping Live Frogs for Experimental Purposes, p. 24

W. F. Hamilton

Special Articles

A Lethal Mutation in the Rabbit with Stigmata of an Acromegalic Disorder, pp. 25-26

C. K. Hu; Harry S. N. Green

The Mode of Penetration of Pear and Apple Blossoms by the Fire-Blight Pathogen, p. 26

H. R. Rosen

Books Received, p. 26
Science News, pp. 8a+10a+11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 80, No. 2087, Dec. 28, 1934
Next Issue: New Series, Vol. 81, No. 2089, Jan. 11, 1935

Science, New Series, Vol. 81, No. 2089, Jan. 11, 1935

Previous Issue: New Series, Vol. 81, No. 2088, Jan. 4, 1935
Next Issue: New Series, Vol. 81, No. 2090, Jan. 18, 1935

Front Matter (2 pp.)

The American Association for the Advancement of Science

Mathematics and Science, pp. 27-32

Charles N. Moore

Agricultural Planning as an Aspect of State and National Planning, pp. 32-35

A. R. Mann

Obituary

Otto Folin, pp. 35-37

Philip A. Shaffer

Tribute to Professor Folin, pp. 37-38

Henry A. Christian

Scientific Events

The Construction of a Barrage across the Tigris, pp. 38-39

The Drought and Autumn Rains, pp. 39-40

The Presidency of the American Chemical Society, pp. 40-41

Scientific Notes and News, pp. 41-44

Discussion

The Nature of Enzymes, pp. 44-45

Jerome Alexander

The Density of Water in Relation to its Thermal History, p. 45

Malcolm Dole; B. Z. Wiener

Ploughing under the Science Crop, p. 46

L. Magruder Passano

Quotations

Science in the News, pp. 46-47

Scientific Books

The Architecture of the Universe, p. 47

The Architecture of the Universe

W. F. G. Swann

Review author[s]: F. R. Moulton

A Study of Superstition, p. 48

Do You Believe It?

Otis W. Caldwell; Gerhard E. Lundeen

Review author[s]: Joseph Jastrow

Scientific Apparatus and Laboratory Methods

The Gear Pump and Hose as a Collector of Water Samples for Gas Analysis, pp. 48-50

R. P. Cowles; Charles Brambel

Methionine as an Impurity in Natural Leucine Preparations, pp. 50-51

J. Howard Mueller

Special Articles

Electrical Potentials from the Intact Human Brain, pp. 51-53

H. H. Jasper; L. Carmichael

The Long Wave-Length Limit of Photolethal Action in the Ultra-Violet, pp. 53-54

A. C. Giese; P. A. Leighton

Books Received, p. 54
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 81, No. 2088, Jan. 4, 1935
Next Issue: New Series, Vol. 81, No. 2090, Jan. 18, 1935

Science, New Series, Vol. 81, No. 2090, Jan. 18, 1935

Previous Issue: New Series, Vol. 81, No. 2089, Jan. 11, 1935
Next Issue: New Series, Vol. 81, No. 2091, Jan. 25, 1935

Front Matter (1 p.)

The American Association for the Advancement of Science

The Social Sciences and National Planning, pp. 55-62

Wesley C. Mitchell

Scientific Events

The Agricultural Problems of Mexico, p. 62

The Lindbergh Collection of Spores in Arctic Areas, pp. 62-63

Grants in aid of Research Administered by the National Research Council, p. 63

Isaiah Bowman

Annual Meeting of the Metallurgical Advisory Board, pp. 63-64

The Directorship of the American Museum of Natural History, p. 64

Recent Deaths, pp. 64-65

Scientific Notes and News, pp. 65-68

Discussion

The Dutch Elm Disease, Graphium ulmi, in Connecticut, pp. 68-70

G. P. Clinton; F. A. McCormick

The Belgian National Research Council, pp. 70-71

A. J. Dempster

Oak Trees and the White Grub Menace, p. 71

C. L. Fluke; Paul O. Ritcher

The Biology of the Black Widow Spider, Latrodectus mactans, pp. 71-72

Wm. L. Jellison; C. B. Philip

A New South Dakota Meteorite, p. 72

Cleophas C. O'Harra

Ground Water and Forest Belt, p. 72

Karl T. Compton

Scientific Books

Infant Behavior, p. 73

Atlas of Infant Behavior: A Systematic Delineation of the Forms and Early Growth of Human Behavior Patterns

Arnold Gesell

Review author[s]: John E. Anderson

Mathematical Physics, pp. 73-74

Principles of Mathematical Physics

William V. Houston

Review author[s]: N. I. Adams

Scientific Apparatus and Laboratory Methods

Intratracheal Inoculations in the Rat, p. 74

L. Jourdonais; W. J. Nungester

The Preservation of Cartilage, pp. 74-75

V. Brock

Permanent Aceto-Carmine Preparations, p. 75

John B. Buck

Special Articles

The Similarity between Fasciations in Plants and Tumors in Animals and Their Genetic Basis, pp. 75-76

Donald F. Jones

Mottled Enamel of Deciduous Teeth, p. 77

Margaret Cammack Smith; H. V. Smith

The Disinhibition of Experimental Extinction in the White Rat, pp. 77-78

Walter S. Hunter

Books Received, p. 78
Science News, pp. 5a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2089, Jan. 11, 1935
Next Issue: New Series, Vol. 81, No. 2091, Jan. 25, 1935

Science, New Series, Vol. 81, No. 2091, Jan. 25, 1935

Previous Issue: New Series, Vol. 81, No. 2090, Jan. 18, 1935
Next Issue: New Series, Vol. 81, No. 2092, Special Issue Containing Reports of the Third Pittsburgh Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 1, 1935

Front Matter (1 p.)

The American Association for the Advancement of Science

Training, Practice and Mental Longevity, pp. 79-87

Walter R. Miles

Obituary

Nathaniel Lord Britton, pp. 87-88

Recent Deaths, p. 88

Scientific Events

Congress for Prehistoric Research in the Far East, p. 89

H. Otley Beyer

The Third International Congress of Soil Science, pp. 89-90

Report of Director of the New York Botanical Garden, p. 90

Fellowships in Medicine of the National Research Council, pp. 90-91

Francis G. Blake

The New Dean of the Yale School of Medicine, p. 91

The Rochester Meeting of the Geological Society of America, pp. 91-92

Scientific Notes and News, pp. 92-95

Discussion

The Whitney South Sea Expedition, pp. 95-97

Frank M. Chapman

The Western Invasion of Samia cecropia, pp. 97-98

T. D. A. Cockerell

The Ring Structure of Thymidine, p. 98

P. A. Levene; R. Stuart Tipson

Societies and Meetings

The Tennessee Academy of Science, p. 98

John T. McGill

The Second Quadrennial Congress of the Mathematicians of the Slav Countries, pp. 98-99

S. Lefschetz

Scientific Apparatus and Laboratory Methods

The Cultivation of Endamoeba Histolytica in Erlenmeyer Flasks, pp. 99-100

William W. Frye; Henry E. Meleney

On the Removal of Oxygen from Water by Cut Branches, p. 100

W. A. Cannon; Edith A. Purer

Special Articles

Measurement of the Velocity of Light in a Partial Vacuum, pp. 100-101

A. A. Michelson; F. G. Pease; F. Pearson

Experimental Stimulation Deafness, pp. 101-102

Hallowell Davis; Arthur J. Derbyshire; Edward H. Kemp; Moses H. Lurie; Morgan Upton

Books Received, p. 102
Science News, pp. 5a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2090, Jan. 18, 1935
Next Issue: New Series, Vol. 81, No. 2092, Special Issue Containing Reports of the Third Pittsburgh Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 1, 1935

Science, New Series, Vol. 81, No. 2092, Special Issue Containing Reports of the Third Pittsburgh Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 1, 1935

Previous Issue: New Series, Vol. 81, No. 2091, Jan. 25, 1935
Next Issue: New Series, Vol. 81, No. 2093, Feb. 8, 1935

Front Matter (6 pp.)
The Pittsburgh Meeting of the American Association for the Advancement of Science and Associated Societies, pp. 103-136

Henry B. Ward

Science News, pp. 34a+36a+38a+40a+42a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2091, Jan. 25, 1935
Next Issue: New Series, Vol. 81, No. 2093, Feb. 8, 1935

Science, New Series, Vol. 81, No. 2093, Feb. 8, 1935

Previous Issue: New Series, Vol. 81, No. 2092, Special Issue Containing Reports of the Third Pittsburgh Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 1, 1935
Next Issue: New Series, Vol. 81, No. 2094, Feb. 15, 1935

Front Matter (1 p.)
The Humanizing of Science, pp. 137-143

Harvey Cushing

Obituary

Death of Three Former Presidents of the Physics Club of Philadelphia, pp. 143-144

Dr. Bertram H. Buxton: 1852-1934, pp. 144-145

James Ewing

Recent Deaths, p. 145

Scientific Events

The Public Health of India, pp. 145-146

The Field Museum Anthropological Expedition to the near East, p. 146

Pennsylvania's Primeval Forest, pp. 146-147

Grants of the Ella Sachs Plotz Foundation, p. 147

The Annual Meeting of the Smithsonian Institution, pp. 147-148

Scientific Notes and News, pp. 148-151

Discussion

A Wide-Spread Error Relating to Egyptian Mathematics, p. 152

G. A. Miller

One Aspect of the Longevity Problem, pp. 152-153

Wilder D. Bancroft; Esther C. Farnham; John E. Rutzler

A Pasteurella-Like Microorganism in the Brains of Horses Suffering from So-Called Cornstalk Disease, pp. 153-154

Robert Graham

A Fresh Water Sponge from Southern California, p. 154

M. W. de Laubenfels

Scientific Books

Electrolytes, pp. 154-155

Electrolytes

Hans Falkenhagen

Review author[s]: Victor K. La Mer

Reports

The Elihu Root Lectures of the Carnegie Institution of Washington, pp. 155-156

F. F. B.

Scientific Apparatus and Laboratory Methods

On d-Xylomethylose (5-Desoxyxylose), p. 156

P. A. Levene; Jack Compton

A Mercury Pump for Making and Supplying a Uniform Mixture of Gases, p. 157

L. R. McKinnon; F. W. Allen

Special Articles

Elements and General Jupiter Perturbations of Ten Watson Planets, pp. 158-159

A. O. Leuschner

Vitamin B2 (G) and Canine Black Tongue, p. 159

C. P. Rhoads; D. K. Miller

The Retractor Muscle of the Pouch in the Geomyidae, p. 160

John Eric Hill

Books Received, p. 160
Science News, pp. 5a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2092, Special Issue Containing Reports of the Third Pittsburgh Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 1, 1935
Next Issue: New Series, Vol. 81, No. 2094, Feb. 15, 1935

Science, New Series, Vol. 81, No. 2094, Feb. 15, 1935

Previous Issue: New Series, Vol. 81, No. 2093, Feb. 8, 1935
Next Issue: New Series, Vol. 81, No. 2095, Feb. 22, 1935

Front Matter (3 pp.)

The American Association for the Advancement of Science

A Taxonomist's Experience with Hybrids in the Wild, pp. 161-166

Karl M. Wiegand

Obituary

Roland Burrage Dixon, pp. 166-167

E. A. Hooton

Recent Deaths, pp. 167-168

Scientific Events

Acquisitions of the British Natural History Museum, p. 168

A Nutritional Study of Belgian Unemployed, pp. 168-169

Proposed State Forests in Massachusetts, p. 169

Committee on Unemployment and Relief for Chemists and Chemical Engineers, pp. 169-170

Anthropologists and the Federal Indian Program, pp. 170-171

Scientific Notes and News, pp. 171-174

Discussion

Film-Strip Copies of Scientific Publications, pp. 174-176

Atherton Seidell

Origin of Petroleum, p. 176

Benjamin T. Brooks

Are Fishes the Principal Source of Petroleum?, pp. 176-177

Junius Henderson

Scientific Books

Physical Thought, pp. 177-178

The Development of Physical Thought

Leonard Loeb; Arthur S. Adams

Review author[s]: Bergen Davis

Scientific Apparatus and Laboratory Methods

A Glass Assembly for Seitz Bacteriological Filters, p. 179

William F. Bruce

A Simple Glass Connection, pp. 179-180

J. B. Ficklen

Special Articles

A Synthetic Peptide as Substrate for Tryptic Proteinase, p. 180

Max Bergmann; Leonidas Zervas; Joseph S. Fruton

The Electrical Response of the Vestibular Nerve during Adequate Stimulation, pp. 180-181

O. H. Mowrer

The Special Reactivity of Peptides, pp. 181-182

Ben H. Nicolet

Books Received, p. 182
Science News, pp. 6a+8a+9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2093, Feb. 8, 1935
Next Issue: New Series, Vol. 81, No. 2095, Feb. 22, 1935

Science, New Series, Vol. 81, No. 2095, Feb. 22, 1935

Previous Issue: New Series, Vol. 81, No. 2094, Feb. 15, 1935
Next Issue: New Series, Vol. 81, No. 2096, Mar. 1, 1935

Front Matter (2 pp.)

The American Association for the Advancement of Science

Certain Aspects of Geologic Classifications and Correlations, pp. 183-190

Rollin T. Chamberlin

Obituary

John Alexander Mathews, pp. 190-191

William Campbell

Charles Edward Moldenke, p. 191

Correspondent

Scientific Events

The Second International Neurological Congress, pp. 191-192

The New York University Weather Station, p. 192

Gift for Support of Dental Research at Yale University, pp. 192-193

The Cancer Clinic of the Post-Graduate Medical School and Hospital of Columbia University, p. 193

The Federation of American Societies for Experimental Biology, pp. 193-194

Scientific Notes and News, pp. 194-197

Discussion

Upthrust--A Geologic Term, pp. 197-198

Bailey Willis

Alterations in the Foundations of the Exact Sciences in Modern Times, pp. 198-200

Frederick Seitz

Further Comments on the Trihydrol Controversy, pp. 200-201

T. Cunliffe Barnes

Scientific Books

A New Dictionary, pp. 201-202

Webster's New International Dictionary

Review author[s]: H. A. Gleason

The Memoirs of a Botanist, p. 202

Erinnerungen und Welteindrücke eines Naturforschers

Hans Molisch

Review author[s]: A. C. Noé

Reports

Appropriations for Grants-In-Aid by the National Research Council, pp. 202-204

Isaiah Bowman

Scientific Apparatus and Laboratory Methods

Regulating the Flow of Solution for Plant Cultures, p. 204

Sam F. Trelease; James R. Thomson

The Chicago Soil-Nutrient-Temperature Tank, pp. 204-207

George K. K. Link

Special Articles

The Role of the Carbamino Compounds in the Transport of CO2 by the Blood, pp. 207-208

William C. Stadie

Refractoriness to Ovarian Stimulation in the Rhesus Monkey, pp. 208-210

Roland K. Meyer; Edwin L. Gustus

The Control of Bronchial Asthma, p. 210

Noel F. Shambaugh; Sam M. Alter

Books Received, p. 210
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 81, No. 2094, Feb. 15, 1935
Next Issue: New Series, Vol. 81, No. 2096, Mar. 1, 1935

Science, New Series, Vol. 81, No. 2096, Mar. 1, 1935

Previous Issue: New Series, Vol. 81, No. 2095, Feb. 22, 1935
Next Issue: New Series, Vol. 81, No. 2097, Mar. 8, 1935

Front Matter (2 pp.)

The American Association for the Advancement of Science

What to Believe about Cosmic Rays, pp. 211-215

Robert A. Millikan

Certain Aspects of Geologic Classifications and Correlations. II, pp. 216-218

Rollin T. Chamberlin

Obituary

Collier Cobb, p. 219

Wm. F. Prouty

Thomas Huston Macbride, pp. 219-220

Geo. B. Rigg

Scientific Events

Television in Great Britain, pp. 220-221

Exhibit of Minerals at the Academy of Natural Sciences of Philadelphia, p. 221

Awards of the American Institute of Mining and Metallurgical Engineers, p. 221

The Harvard Archeological Expedition to Venezuela, p. 222

The Thomas Alva Edison Foundation, pp. 222-223

Fellowships of the American Association of University Women, p. 223

Scientific Notes and News, pp. 223-226

Discussion

Attitude Measurement and "The Dunlap Dilemma", p. 227

F. L. Wells

Early Geography in Northern Illinois, pp. 227-229

Derwent Whittlesey

A New Outlet for Unabridged Scientific Papers, p. 229

Milton J. Polissar

Scientific Books

Earth, Radio and the Stars, pp. 229-230

Earth, Radio and the Stars

Harlan True Stetson

Review author[s]: J. A. Fleming

Asteroidal and Cometary Orbits, pp. 230-231

The Calculation of the Orbits of Asteroids and Comets

Kenneth P. Williams

Review author[s]: Fred L. Whipple

Quotations

A Message from the President of the American Chemical Society, pp. 231-232

Roger Adams

Scientific Apparatus and Laboratory Methods

A Second Experimental Method for Increasing Auditory Acuity, pp. 232-233

Walter Hughson

A Simple Method for Making Low-Power Photomicrographs, p. 233

F. Martin Brown; Leigh E. Chadwick

Special Articles

Selenite--A Criterion of Effective Wind Scour, pp. 233-234

Kirk Bryan; Walter H. Schoewe

The Occurrence and Activity of Urea-Splitting Bacteria in the Sea, pp. 234-236

Claude E. ZoBell; Catharine B. Feltham

A Growth-Inhibiting Substance in Lettuce Seeds, p. 236

A. L. Shuck

Books Received, p. 236
Science News, pp. 10a-12a

Previous Issue: New Series, Vol. 81, No. 2095, Feb. 22, 1935
Next Issue: New Series, Vol. 81, No. 2097, Mar. 8, 1935

Science, New Series, Vol. 81, No. 2097, Mar. 8, 1935

Previous Issue: New Series, Vol. 81, No. 2096, Mar. 1, 1935
Next Issue: New Series, Vol. 81, No. 2098, Mar. 15, 1935

Front Matter (2 pp.)

The American Association for the Advancement of Science

Man, The Great Integrator, pp. 237-243

William A. White

Obituary

David White, pp. 244-246

W. C. Mendenhall

Recent Deaths, p. 246

Scientific Events

The Three Hundredth Anniversary of the Founding of Chemical Industries in America, pp. 246-247

The Banting Research Foundation, p. 247

The Rothschild Collection of Birds at the American Museum of Natural History, pp. 247-248

The Annual Meeting of the American Pharmaceutical Association, p. 248

The Annual Meeting of the American Association of Physical Anthropologists, pp. 248-249

Scientific Notes and News, pp. 249-252

Discussion

Coal and Natural Oil in the Pittsburgh Region, p. 252

Edwin Linton

Distribution of Papers in Biological Sciences for the past Eight Years, pp. 252-253

Geo. G. Scott

Labuan, Borneo, a New Locality for the Whale Shark, pp. 253-254

Albert W. C. T. Herre

Scientific Books

Parenthood, p. 254

The Twilight of Parenthood

Enid Charles

Review author[s]: John R. Miner

Scientific Apparatus and Laboratory Methods

Demonstration of Beat Note and Other Acoustic Phenomena, pp. 255-256

Richard M. Sutton

Automatic Hypodermic Injector, p. 256

Herbert Busher

Special Articles

The Ergot Alkaloids, pp. 256-257

Walter A. Jacobs; Lyman C. Craig

Ascorbic Acid (Vitamin C) and Photographic Developing Action, pp. 257-258

Charles E. Bills

Books Received, p. 258
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 81, No. 2096, Mar. 1, 1935
Next Issue: New Series, Vol. 81, No. 2098, Mar. 15, 1935

Science, New Series, Vol. 81, No. 2098, Mar. 15, 1935

Previous Issue: New Series, Vol. 81, No. 2097, Mar. 8, 1935
Next Issue: New Series, Vol. 81, No. 2099, Mar. 22, 1935

Front Matter (2 pp.)

The American Association for the Advancement of Science

Anthropology and Growth, pp. 259-263

T. Wingate Todd

Obituary

Gotthelf Carl Huber, pp. 264-265

J. Playfair McMurrich

Recent Deaths, p. 265

Scientific Events

Ethnographical Films, p. 265

Anniversary of the Blue Hill Observatory, pp. 265-266

The Yale North India Expedition, p. 266

The Coming Minneapolis Meeting of the American Association for the Advancement of Science, pp. 266-267

Henry B. Ward

In Commemoration of Dr. G. Carl Huber and Dr. David White, p. 267

Scientific Notes and News, pp. 267-270

Discussion

Background and Origin of the American Association, pp. 270-271

Burton E. Livingston

Remarks on Sulaiman's Theory of Relativity, pp. 271-272

D. R. Hamilton

Last Call for Culture Methods, pp. 272-273

Frank E. Lutz; Paul S. Galtsoff; Paul S. Welch; James G. Needham

Chemical Composition of Large Aquatic Plants, p. 273

C. Juday

Concerning the Taste of Heavy Water, p. 273

H. C. Urey; G. Failla

Scientific Apparatus and Laboratory Methods

The Choice of Killing Fluids Appropriate for Cytological Research, pp. 273-274

J. Dufrenoy; H. S. Reed

On The Mapping of the Velocity-Potential and Stream Functions of an Ideal Fluid, pp. 274-275

Albert C. Erickson

Special Articles

Does Dilute Heavy Water Influence Biological Processes?, pp. 275-277

James Curry; Robertson Pratt; Sam F. Trelease

Pityrosporum ovalis as a Causative Agent of Seborrheic Dermatitis, pp. 277-278

Morris Moore; Roy L. Kile

A Dwarf Mutation in the Rat, p. 278

W. V. Lambert; A. Sciuchetti

Books Received, p. 278
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 81, No. 2097, Mar. 8, 1935
Next Issue: New Series, Vol. 81, No. 2099, Mar. 22, 1935

Science, New Series, Vol. 81, No. 2099, Mar. 22, 1935

Previous Issue: New Series, Vol. 81, No. 2098, Mar. 15, 1935
Next Issue: New Series, Vol. 81, No. 2100, Mar. 29, 1935

Front Matter (2 pp.)
Neurohumors: Novel Agents in the Action of the Nervous System, pp. 279-283

George Howard Parker

The Unsolved Problems of Leprosy, pp. 283-285

Frederick P. Gay

Scientific Events

The Fourth International Congress of Agricultural Industries, p. 285

The Pan American Institute of Geography and History, pp. 285-286

Wallace W. Atwood

The Lancaster Branch of the American Association for the Advancement of Science, pp. 286-287

F. A. Coventry

The Engineering Index, p. 287

Recent Deaths, p. 287

Scientific Notes and News, pp. 288-291

Discussion

Balanced Diets, Net Energy Values and Specific Dynamic Effects, pp. 291-292

E. B. Forbes

More Evidence on the Structure of Chromatophores, pp. 292-293

Ellinor H. Behre

Is There a Digestive Canal in Ciliates?, p. 293

Arthur N. Bragg

The Blue Light in the Sea, pp. 293-294

E. O. Hulburt

Unusual Sky Appearance, p. 294

C. G. Abbot

Books and Literature

The Microphysiology of Nerve, pp. 294-295

The Microphysiology of Nerve

Genichi Kato

Review author[s]: Ebbe Hoff

The Grasses of the United States, pp. 295-296

Manual of the Grasses of the United States

A. S. Hitchcock

Review author[s]: E. D. Merrill

Societies and Meetings

The Indiana Academy of Science, p. 296

Will E. Edington

Scientific Apparatus and Laboratory Methods

The Nicotine Vaporizer, a Device for Utilizing Nicotine in the Control of Insect Pests, pp. 296-297

Ralph H. Smith; Henry U. Meyer; Charles O. Persing

Producing Brain Lesions in Rats without Opening the Skull, pp. 297-298

Wayne Dennis; Cecile Bolton

Special Articles

A Filterable Virus Recovered from White Mice, pp. 298-299

Erich Traub

The Relation of Stream Double Refraction to Tobacco Mosaic Virus, pp. 299-300

William N. Takahashi; T. E. Rawlins

Books Received, p. 300
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 81, No. 2098, Mar. 15, 1935
Next Issue: New Series, Vol. 81, No. 2100, Mar. 29, 1935

Science, New Series, Vol. 81, No. 2100, Mar. 29, 1935

Previous Issue: New Series, Vol. 81, No. 2099, Mar. 22, 1935
Next Issue: New Series, Vol. 81, No. 2101, Apr. 5, 1935

Front Matter (2 pp.)
Pharmacy's Unfinished Tasks, pp. 301-306

Robert P. Fischelis

Obituary

Walter Jones, pp. 307-308

Wm. Mansfield Clark

Albert Mann: 1853-1935, pp. 308-309

Robert Hagelstein

Memorials, p. 309

Recent Deaths, p. 309

Scientific Events

Measurements of Gravity over the Nippon Trench, pp. 309-310

W. B.

Stream Surveys of the National Forests and Parks, p. 310

The Johns Hopkins University Research Conferences on Chemical Problems, pp. 310-311

Neil E. Gordon

Cold Spring Harbor Symposia on Quantitative Biology, p. 311

Scientific Notes and News, pp. 312-314

Discussion

What Do We Mean by a Bacterial Life Cycle?, pp. 314-315

C.-E. A. Winslow

The Press Service at the Pittsburgh Meeting, pp. 315-316

Austin H. Clark

The Cost of German Scientific Journals, p. 316

E. D. Merrill

Gauss and the French Academy of Science, pp. 316-317

Arnold Emch

Leeuwenhoek Letters, p. 317

Barnett Cohen

Scientific Apparatus and Laboratory Methods

An Extractor Using a Solution of Volatile and Non-Volatile Phases, p. 317

A. J. Bailey

A Simple Method for Observation of Circulation in the Web of the Frog's Foot, pp. 317-318

Horace J. Child

The Desirability of Homozygous Mice in Nutrition Experiments, p. 318

J. F. McClendon; Harold Street

Special Articles

Comparison of X-Ray and Gamma Ray Dosage, pp. 318-319

Lauriston S. Taylor; F. L. Mohler

Transmission of the Virus of Poliomyelitis to Mice, pp. 319-320

Maurice Brodie; Samuel A. Goldberg; Phyllis Stanley

Books Received, p. 320
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 81, No. 2099, Mar. 22, 1935
Next Issue: New Series, Vol. 81, No. 2101, Apr. 5, 1935

Science, New Series, Vol. 81, No. 2101, Apr. 5, 1935

Previous Issue: New Series, Vol. 81, No. 2100, Mar. 29, 1935
Next Issue: New Series, Vol. 81, No. 2102, Apr. 12, 1935

Front Matter (3 pp.)

The American Association for the Advancement of Science

Facing the Erosion Problem, pp. 321-326

H. H. Bennett

Presentation of Professor Julius Arthur Nieuwland, C.S.C., for the Award of the American Institute Medal, pp. 326-330

Marston Taylor Bogert

Obituary

Herdman Fitzgerald Cleland, pp. 330-331

Percy E. Raymond

Recent Deaths, p. 331

Scientific Events

The Annual Report of the Director of the Field Museum of Natural History, p. 332

Soil Erosion Control, pp. 332-333

The Annual Meeting of the American Public Health Association, p. 333

The Los Angeles Meeting of the Pacific Division of the American Association for the Advancement of Science, pp. 333-334

J. Murray Luck

Scientific Notes and News, pp. 334-337

Discussion

The Nebraska Earthquake of March 1, 1935, pp. 338-339

A. L. Lugn

Synchronous Flashing of Fireflies Experimentally Induced, pp. 339-340

John Bonner Buck

Tree Rings in New England, pp. 340-341

Charles J. Lyon

National Welfare, Business Profits and Individual Benefit, p. 341

George W. Hartmann

Chinese Magic Mirrors, pp. 341-342

John Kaiser

Scientific Apparatus and Laboratory Methods

High Rotational Speeds in Vacuo, pp. 342-343

E. G. Pickels; J. W. Beams

A New Method of Differentiation of Amylases and Starches, pp. 343-344

K. Venkata Giri

Special Articles

The Significance of the Persistence of the Crystalline State above the Melting Point, pp. 344-345

Robert E. Burk

The Etiology of Epidemic Colds in Chickens, pp. 345-346

Charles S. Gibbs

The Heart Rate in Heavy Water, p. 346

T. Cunliffe Barnes; J. Warren

Books Received, p. 346
Science News, pp. 8a+10a+11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2100, Mar. 29, 1935
Next Issue: New Series, Vol. 81, No. 2102, Apr. 12, 1935

Science, New Series, Vol. 81, No. 2102, Apr. 12, 1935

Previous Issue: New Series, Vol. 81, No. 2101, Apr. 5, 1935
Next Issue: New Series, Vol. 81, No. 2103, Apr. 19, 1935

Front Matter (2 pp.)
The Government's Responsibilities in Science, pp. 347-355

Karl T. Compton

Obituary

John James Rickard Macleod, p. 355

Velyien E. Henderson

Recent Deaths, p. 355

Scientific Events

Centenary of the Geological Survey of Great Britain, p. 356

Investigation of Weather Conditions in the Stratosphere, p. 356

Research Fellows at Yale University, p. 357

Symposium in Theoretical Physics at the University of Michigan, pp. 357-358

The Harvard Summer Graduate School of Astronomy, p. 358

President Angell and the Society of Experimental Psychologists, pp. 358-359

Scientific Notes and News, pp. 359-361

Discussion

Peary's Discovery of the North Pole, pp. 361-363

William Herbert Hobbs

A Study of the Relation of the Relative Size of the Two Hands to Speech, p. 363

Clarence R. Van Dusen

Edema and General Atrophy in Stenostomum oesophagium, p. 363

Margaret Hess

Bang's Abortion Disease of Cattle, p. 363

Chas H. Kitselman

Scientific Apparatus and Laboratory Methods

Apparatus for Dusting Sulfur on Plants in Controlled Amounts, p. 364

Myron V. Anthony

A New Staining Method for Structures of the Spinal Cord, pp. 364-365

L. Hansburg

A Rapid Method for Removing Cover Glasses of Microscope Slides, p. 365

J. Gordon Carlson

Special Articles

X-Ray Diffractions from Hemoglobin and Other Crystalline Proteins, pp. 365-366

Ralph W. G. Wyckoff; Robbert B. Corey

Effects of Theelin on the Male Genital Tract, p. 366

G. van Wagenen

Books Received, p. 366
Science News, pp. 8a-9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2101, Apr. 5, 1935
Next Issue: New Series, Vol. 81, No. 2103, Apr. 19, 1935

Science, New Series, Vol. 81, No. 2103, Apr. 19, 1935

Previous Issue: New Series, Vol. 81, No. 2102, Apr. 12, 1935
Next Issue: New Series, Vol. 81, No. 2104, Apr. 26, 1935

Front Matter (2 pp.)

The American Association for the Advancement of Science

Review of Some of the More Recent Advances in the Study of Blood Diseases, pp. 367-371

Cyrus C. Sturgis

What is a Proof?, pp. 371-373

Edwin B. Wilson

Scientific Events

The New Chair of Astronomy at the Royal Institution, pp. 373-374

The Stratosphere Balloon of the National Geographic Society and the U. S. Army Corps, p. 374

Conference on Spectroscopy at the Massachusetts Institute of Technology, p. 374

Fellowships of the Charles A. Coffin Foundation, pp. 374-375

Scientific Notes and News, pp. 375-378

Discussion

The Significance of Food Habits Research in Wild Life Management, pp. 378-379

Paul L. Errington

Mastodon and Other Remains at Aurora, Illinois, pp. 379-380

Clarence R. Smith

Longevity in the Box Turtle, pp. 380-381

C. I. Reed

Results of Goiter Prophylaxis with Iodized Salt, p. 381

J. F. McClendon

Societies and Meetings

The New Orleans Academy of Sciences, pp. 381-382

Philip C. Wakeley

The Oklahoma Academy of Science, p. 382

Horace J. Harper

The South Carolina Academy of Science, p. 382

J. E. Copenhaver

Scientific Apparatus and Laboratory Methods

A Commutator for the Harvard Kymograph, pp. 382-383

Wm. A. Hiestand

Meningococcus Precipitating Antigen for Routine Testing of Therapeutic Serums, pp. 383-384

Lucy Mishulow

Special Articles

Investigation of Overthrust Faults by Seismic Methods, pp. 384-386

John P. Buwalda; Beno Gutenberg

Distribution of Mitochondria in the Foraminiferan, Iridia diaphana, p. 387

Wm. L. Doyle

Direct Isolation of Pasteurella-Like Microorganisms from Brains of Horses Suffering from So-Called Cornstalk Disease, pp. 387-388

Robert Graham

Ergotocin, p. 388

M. S. Kharasch; R. R. Legault

Books Received, p. 388
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 81, No. 2102, Apr. 12, 1935
Next Issue: New Series, Vol. 81, No. 2104, Apr. 26, 1935

Science, New Series, Vol. 81, No. 2104, Apr. 26, 1935

Previous Issue: New Series, Vol. 81, No. 2103, Apr. 19, 1935
Next Issue: New Series, Vol. 81, No. 2105, May 3, 1935

Front Matter (2 pp.)
Address of the President of the International Geographical Congress, pp. 389-391

Isaiah Bowman

Shelterbelts--Futile Dream or Workable Plan, pp. 391-394

Raphael Zon

Scientific Events

Cooperation between the Chemical Societies of Great Britain, p. 394

Conference of Representatives of Agriculture, Industry and Science, pp. 394-395

The Washington Conference on Theoretical Physics, p. 395

The American Philosophical Society, pp. 395-396

Recent Deaths, p. 396

Scientific Notes and News, pp. 396-399

Discussion

Ordovician Black Shales of New York, p. 400

Rudolf Ruedemann; George H. Chadwick

Nature of the Light Rays on the Surface of the Moon, pp. 400-401

George W. Munro

Highway Mortality among Mammals, pp. 401-402

Dayton Stoner

The Paint Creek Meteorite, pp. 402-403

Karl Ver Steeg

Reports

Milton Research Awards at Harvard University, pp. 403-404

Scientific Apparatus and Laboratory Methods

A Simple Device for the Rapid Observation of Objects in Lateral and Ventral Views, p. 404

A. M. Schechtman

A Microtome Knife Holder for Safety Razor Blades, pp. 404-405

Roderick Craig; Charles Wilson

Inexpensive Green Filters, p. 405

Esther Carpenter

Special Articles

Hereditary Brachydactylia and Associated Abnormalities in the Rabbit, pp. 405-407

Harry S. N. Greene

The Reducing Powers of Physiologically Important Carbohydrates, pp. 407-408

Ancel P. Weinbach; D. Bailey Calvin

A New Canker Disease of Red Pine, Caused by Tympanis pinastri, p. 408

J. R. Hansbrough

Books Received, p. 408
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 81, No. 2103, Apr. 19, 1935
Next Issue: New Series, Vol. 81, No. 2105, May 3, 1935

Science, New Series, Vol. 81, No. 2105, May 3, 1935

Previous Issue: New Series, Vol. 81, No. 2104, Apr. 26, 1935
Next Issue: New Series, Vol. 81, No. 2106, May 10, 1935

Front Matter (3 pp.)

The National Academy of Sciences

Address of the President of the National Academy of Sciences, pp. 409-414

W. W. Campbell

Medals of the National Academy of Sciences, pp. 414-416

Henry B. Bigelow; V. M. Slipher; Frank M. Chapman; Max Mason

Abstracts of Papers Presented at the Washington Meeting of the National Academy of Sciences, pp. 416-426

Obituary

David Griffiths, pp. 426-427

Wm. A. Taylor

Scientific Events

Protecting Wild Life, pp. 427-428

A Study of Air Pollution in New York City, p. 428

Sigma Xi Lectures, p. 428

Detention of Professor Kapitza in Russia, pp. 428-429

In Honor of Dr. William Albert Noyes, p. 429

Letter of Welcome from the President of the United States to the National Academy of Sciences, pp. 429-430

Election of Officers and Members of the National Academy of Sciences, p. 430

Scientific Notes and News, pp. 430-433

Discussion

International Union of Biological Sciences, pp. 434-435

Donald Reddick

Hevea Rubber Trees in Florida, p. 435

O. F. Cook

"Sleep" Aggregation in the Beetle, Altica Bimarginata, pp. 435-436

R. T. Young

Notes on the Common Shrimp, p. 436

G. Robert Lunz

Reports

Research at Mellon Institute during 1934-35, pp. 436-438

W. A. Hamor

Scientific Apparatus and Laboratory Methods

Paradichlorobenzene, an Effective Herbarium Insecticide, pp. 438-439

Frank C. Gates

An Improved Method for Seed Germination, p. 439

Robert B. Withrow; Harris M. Benedict

Special Articles

Meningitis in Man Caused by a Filterable Virus, pp. 439-440

Thomas M. Rivers; T. F. McNair Scott

On Cymarose, pp. 440-441

Robert C. Elderfield

The Effect of Practice upon Intercorrelations of Motor Skills, pp. 441-442

C. E. Buxton; Lloyd G. Humphreys

Books Received, p. 442
Science News, pp. 8a+10a+11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2104, Apr. 26, 1935
Next Issue: New Series, Vol. 81, No. 2106, May 10, 1935

Science, New Series, Vol. 81, No. 2106, May 10, 1935

Previous Issue: New Series, Vol. 81, No. 2105, May 3, 1935
Next Issue: New Series, Vol. 81, No. 2107, May 17, 1935

Front Matter (2 pp.)
Weismann and Haeckel: One Hundred Years, pp. 443-452

A. Franklin Shull

Scientific Events

The Twenty-Fifth Anniversary of the Brooklyn Botanic Garden, pp. 452-453

Expeditions of the Smithsonian Institution, pp. 453-454

The Exposition of Chemical Industries, p. 454

An Exhibit of Rare Prehistory Materials, p. 454

Albert Ernest Jenks

The Liberty Hyde Bailey Hortorium, pp. 454-455

Recent Deaths, p. 455

Scientific Notes and News, pp. 455-458

Discussion

The Origin of the Higher Flowering Plants, pp. 458-459

T. D. A. Cockerell

The Motion of Glaciers, pp. 459-461

O. D. von Engeln

A System for Subject Reference Files for Scientific Literature, p. 461

L. S. McClung; Elizabeth McCoy

Electrodes Come in Pairs, pp. 461-462

Alexander Forbes

The National Academy of Sciences. II

Abstracts of Papers, pp. 462-465

Scientific Apparatus and Laboratory Methods

Simplified Equipment of Smoking Kymograph Drums, pp. 465-466

Griffith W. Williams

A Paraffin Block Cooler for Use with the Microtome, pp. 466-467

Germain Crossmon

Special Articles

Crystalline Carboxypolypeptidase, pp. 467-468

M. L. Anson

The Effects of Pituitary Implants and Extracts on the Genital System of the Lizard, pp. 468-469

Llewellyn T. Evans

Discrepancies in the Value of the Aerobic Reducing Intensity of the Yeast Cell and Starfish Egg, pp. 469-470

Lyle V. Beck

Roller Canary Song Produced without Learning from External Sources, p. 470

Milton Metfessel

Books Received, p. 470
Science News, pp. 8a-10a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2105, May 3, 1935
Next Issue: New Series, Vol. 81, No. 2107, May 17, 1935

Science, New Series, Vol. 81, No. 2107, May 17, 1935

Previous Issue: New Series, Vol. 81, No. 2106, May 10, 1935
Next Issue: New Series, Vol. 81, No. 2108, May 24, 1935

Front Matter (2 pp.)
The Mechanism of Enzyme Actions, pp. 471-475

K. George Falk

Obituary

Michael Idvorsky Pupin, pp. 475-479

A. P. Wills

Scientific Events

Annual Meeting of the Trustees of Science Service, p. 479

Annual Meeting of the American Academy of Arts and Sciences, pp. 479-480

Retirement of the Secretary of the Zoological Society of London, p. 480

Award of the Daniel Guggenheim Medal for Aeronautic Achievement to William Frederick Durand, pp. 480-481

Alfred D. Flinn

Recent Deaths, p. 481

Scientific Notes and News, pp. 481-484

Discussion

Foreign Geographic Names, pp. 484-485

Eugene Van Cleef

Further Attempts to Grow Chilomonas Paramecium in Inorganic Media, p. 486

J. B. Loefer; R. P. Hall

Shall Smoky Cities Go Treeless?, p. 486

H. B. Meller; L. B. Sisson

The William Herbert Centennial, pp. 486-487

Hamilton P. Traub

The Ganesh Prasad Prize, p. 487

David Eugene Smith

The American Association for the Advancement of Science

Minutes of the Executive Committee Meeting, pp. 487-489

Henry B. Ward

State Academies, pp. 489-491

Scientific Apparatus and Laboratory Methods

On an Arrangement for Studying the Conditions within Diffusion Layers, p. 491

Torsten Teorell

A Simple Reliable Time Clock, pp. 491-492

G. B. Ray; H. Lewine

Special Articles

Mutation Rate from Old Datura Seeds, pp. 492-493

J. L. Cartledge; A. F. Blakeslee

The Relation of Water and Electrolytes to Metabolism, pp. 493-494

Harry A. Davis

Calcifying Factors in the Diet of Salamander Larvae, p. 494

Esther M. Patch

Books Received, p. 494
Science News, pp. 6a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2106, May 10, 1935
Next Issue: New Series, Vol. 81, No. 2108, May 24, 1935

Science, New Series, Vol. 81, No. 2108, May 24, 1935

Previous Issue: New Series, Vol. 81, No. 2107, May 17, 1935
Next Issue: New Series, Vol. 81, No. 2109, May 31, 1935

Front Matter (3 pp.)

The American Association for the Advancement of Science

Preliminary Announcement of the Minneapolis Meeting, pp. 495-504

Henry B. Ward

A Dinner Demonstration of Threshold Differences in Taste and Smell, pp. 504-507

Albert F. Blakeslee

Scientific Events

The Norwich Meeting of the British Association for the Advancement of Science, p. 507

International Biological Congresses, pp. 507-508

The Hayden Planetarium of the American Museum of Natural History, pp. 508-509

Clyde Fisher

Honors Conferred by the Franklin Institute, pp. 509-510

Semi-Centennial of the Award of the First Electrical Engineering Degree in America, p. 510

Recent Deaths, p. 510

Scientific Notes and News, pp. 511-513

Discussion

Difference between Arithmetic and Algebra, pp. 513-514

G. A. Miller

Physical Indeterminacy and Philosophical Determinism, p. 514

L. W. McKeehan

Is the Killarney Granite Different in Age from the Algoman?, p. 515

Andrew C. Lawson

Ginkgo, pp. 515-516

G. R. Wieland

Scientific Books

The Ice Age, pp. 516-517

The Changing World of the Ice Age

Reginald A. Daly

Review author[s]: Herman L. Fairchild

Varieties of Hydrogen, p. 517

Orthohydrogen, Parahydrogen, and Heavy Hydrogen

Adalbert Farkas

Review author[s]: Hugh S. Taylor

State Academies, pp. 518-519

Scientific Apparatus and Laboratory Methods

A New Material for Corrosion Preparations, pp. 519-520

Oscar V. Batson

Special Articles

Absorption of Nitrates by Corn in the Dark, pp. 520-521

P. L. Gile

Permo-Carboniferous Coal Series Related to Southern Hemisphere Glaciation, pp. 521-522

Francis P. Shepard; Harold R. Wanless

Books Received, p. 522
Science News, pp. 6a+8a+9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2107, May 17, 1935
Next Issue: New Series, Vol. 81, No. 2109, May 31, 1935

Science, New Series, Vol. 81, No. 2109, May 31, 1935

Previous Issue: New Series, Vol. 81, No. 2108, May 24, 1935
Next Issue: New Series, Vol. 81, No. 2110, Jun. 7, 1935

Front Matter (2 pp.)
Photons in Chemistry and Biology, pp. 523-528

Farrington Daniels

Scientific Events

The Electrostatic Generator at the Massachusetts Institute of Technology, pp. 528-529

Symposium on Ionic Physics at Cornell University, p. 529

Meetings of Sigma Xi, pp. 529-530

Award to Dr. Kraus of the Willard Gibbs Medal, p. 530

The Retirement of Professor Ernest Merritt, p. 530

Recent Deaths, p. 531

Scientific Notes and News, pp. 531-534

Discussion

A Kitchen Middens with Bones of Extinct Animals in the Upper Lakes Area, p. 535

Samuel Eddy; Albert Ernest Jenks

Studies of Crystalline Vitamin B1 VII. Its Relation to Pathological States, pp. 535-536

Robert R. Williams; Robert E. Waterman; John C. Keresztesy

A Phytosterol and Phytosterolin from the Sweet Potato, p. 536

M. B. Matlack

The Application of Artificially Ionized Air, pp. 536-537

Alexis L. Romanoff

Experimental Adaptation of Freshwater Ciliates to Sea Water, p. 537

John A. Frisch

Distribution of Separates of Certain Papers by the Late Dr. Bashford Dean, p. 537

E. W. Gudger

Scientific Books

Primitive Land Plants, pp. 537-539

Primitive Land Plants, also known as the Archegomiatae

F. O. Bower

Review author[s]: E. W. Berry

Subsidence, pp. 539-540

Subsidence within the Atmosphere

Jerome Namias

Review author[s]: C. L. Mitchell

Scientific Apparatus and Laboratory Methods

New Arrangement for Regulating Flow of Liquid into a Culture Vessel, pp. 540-542

Ch. Zinzadze

Special Articles

A Second-Generation Captive-Born Chimpanzee, pp. 542-543

Robert M. Yerkes

A Gene for Control of Interstitial Localization of Chiasmata in Allium Fistulosum L., pp. 543-544

S. L. Emsweller; H. A. Jones

How Long Do Roots of Grasses Live?, p. 544

Laurence A. Stoddart

Books Received, p. 544
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 81, No. 2108, May 24, 1935
Next Issue: New Series, Vol. 81, No. 2110, Jun. 7, 1935

Science, New Series, Vol. 81, No. 2110, Jun. 7, 1935

Previous Issue: New Series, Vol. 81, No. 2109, May 31, 1935
Next Issue: New Series, Vol. 81, No. 2111, Jun. 14, 1935

Front Matter (2 pp.)
Normal and Malignant Cells, pp. 545-553

Warren H. Lewis

Scientific Events

The British National Physical Laboratory, p. 553

Educational Geologic Trips in Pennsylvania, pp. 553-554

Bradford Willard

Grants for Research of the American Academy of Arts and Sciences, p. 554

Awards of Latin American Fellowships, pp. 554-555

Scientific Notes and News, pp. 555-559

Discussion

The New Active Principle of Ergot, pp. 559-560

H. W. Dudley; J. Chassar Moir

The Protection of Whales from the Danger of Caisson Disease, pp. 560-561

Laurence Irving

The Helmholtz-Koenig Controversy, pp. 561-562

R. R. Ramsey

Gonadectomy and a New Secondary Sexual Character in Frogs, pp. 562-564

D. Dwight Davis; Charles R. Law

A Chat, p. 564

John W. Crist

Scientific Books

Inequalities, pp. 565-566

Inequalities

G. H. Hardy; J. E. Littlewood; G. Pólya

Review author[s]: G. A. Bliss

Biology for Everyman, pp. 566-567

Biology for Everyman

J. Arthur Thomson

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

Scientific Apparatus and Laboratory Methods

An Apparatus for Demonstrating the Oersted Effect, pp. 567-568

Ira M. Freeman

An Inexpensive Apparatus for the Measurement of Bodily Activity, p. 568

T. W. Richards

A Sensitive A-C Vacuum Tube Relay, pp. 568-569

Emory L. Ellis

Special Articles

On the Graphic Representation of Ionic Equilibria in Blood Serum, pp. 569-570

J. F. McClendon

Sexual Phases in Prosobranch Mollusks of the Genus Crepidula, pp. 570-572

W. R. Coe

Protective Vaccination of Horses with Modified Equine Encephalomyelitis Virus, p. 572

Erich Traub; Carl Ten Broeck

Books Received, p. 572
Science News, pp. 8a-10a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2109, May 31, 1935
Next Issue: New Series, Vol. 81, No. 2111, Jun. 14, 1935

Science, New Series, Vol. 81, No. 2111, Jun. 14, 1935

Previous Issue: New Series, Vol. 81, No. 2110, Jun. 7, 1935
Next Issue: New Series, Vol. 81, No. 2112, Jun. 21, 1935

Front Matter (3 pp.)
Botany and Human Affairs, pp. 573-578

A. F. Woods

The Absorption of Sound in Gases, pp. 578-581

Vern O. Knudsen

Obituary

Hugo De Vries: 1848-1935, pp. 581-582

Albert F. Blakeslee

William Parker Cutter, pp. 582-583

Edwin G. Conklin

Memorials, p. 583

Recent Deaths, pp. 583-584

Scientific Events

The Medical Curriculum in Great Britain, p. 584

The President's Statement to the Council of the American Chemical Society, pp. 584-585

Institutions Selected for Work by Fellows of the National Research Council, pp. 585-586

Engineering in the Summer Session of Columbia University, p. 586

Scientific Notes and News, pp. 586-589

Discussion

Juvenile Characters of Royal Palms, p. 590

O. F. Cook

Synchronous Firefly Flashing, pp. 590-591

Gerrit S. Miller

Scientific Men and the Newspapers, p. 591

Howard W. Blakeslee

Biological Abstracts, pp. 591-592

Philip P. Calvert

Reports

Appropriations for Grants-In-Aid by the National Research Council, pp. 592-594

Isaiah Bowman

State Academies, pp. 594-595

Scientific Apparatus and Laboratory Methods

An Illuminator for the Binocular Dissecting Microscope, pp. 595-596

J. Allen Scott

A Modified Bulb Pipette, p. 596

John C. Lotze

New Tower Filling Material, pp. 596-597

A. McLaren White

Special Articles

Potential Rhythms of the Cerebral Cortex during Sleep, pp. 597-598

Alfred L. Loomis; E. Newton Harvey; Garret Hobart

The Centriole and its Role in Mitosis as Seen in Living Cells, pp. 598-600

L. R. Cleveland

Books Received, p. 600
Science News, pp. 6a+8a+9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2110, Jun. 7, 1935
Next Issue: New Series, Vol. 81, No. 2112, Jun. 21, 1935

Science, New Series, Vol. 81, No. 2112, Jun. 21, 1935

Previous Issue: New Series, Vol. 81, No. 2111, Jun. 14, 1935
Next Issue: New Series, Vol. 81, No. 2113, Jun. 28, 1935

Front Matter (1 p.)
The Resistance of Fixed Tissue Cells to the Toxic Action of Certain Chemical Substances, pp. 601-605

Wm. deB. MacNider

Obituary

Edwin Brant Frost: 1866-1935, pp. 605-607

Frank Schlesinger

Reginald Oliver Herzog, pp. 607-608

K. F. Herzfeld

Memorial to Charles Darwin, p. 608

Recent Deaths, pp. 608-609

Scientific Events

The Dedication of the Richard T. Fisher Memorial, p. 609

A Correspondent

The San Francisco Meeting of the American Chemical Society, pp. 609-610

Grants in Aid of Research for 1936 of the American Association for the Advancement of Science, p. 610

Henry B. Ward

Birthday Honors of the King of England, pp. 610-611

Awards in the Sciences of the American Medical Association, p. 611

Scientific Notes and News, pp. 611-614

Discussion

The New Active Principle(s) of Ergot, pp. 614-615

M. S. Kharasch; R. R. Legault

Thiobarbiturates, p. 615

Ellis Miller; James C. Munch; Frank S. Crossley

The Use of the Term Pocono, pp. 615-617

George H. Ashley; Bradford Willard

Delayed Action of Selenium Poisoning of Live Stock, p. 617

O. A. Beath

Aquatic Animals as Collectors, p. 617

N. A. Borodin

Extended Hibernation in the Toad, p. 617

P. A. Davies

Ecological Note, p. 617

E. A. Vuilleumier

Reports

Grants for Research of the Geological Society of America, p. 618

Grants for Research of the American Philosophical Society, pp. 618-619

Scientific Apparatus and Laboratory Methods

A Simple Photographic Recording Kymograph, pp. 619-620

Karl Deissler; George M. Higgins; Charles Sheard

A Micro-Method for Determining the Utilization of Carbohydrates and Polyhydric Alcohols by Microorganisms, pp. 620-621

Frank H. Johnson

Special Articles

The Culture of Whole Organs, pp. 621-623

Alexis Carrel; Charles A. Lindbergh

Analysis of Rotatory Dispersion of Chemically Analogous Substances, pp. 623-624

P. A. Levene; Alexandre Rothen

Books Received, p. 624
Science News, pp. 5a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2111, Jun. 14, 1935
Next Issue: New Series, Vol. 81, No. 2113, Jun. 28, 1935

Science, New Series, Vol. 81, No. 2113, Jun. 28, 1935

Previous Issue: New Series, Vol. 81, No. 2112, Jun. 21, 1935
Next Issue: New Series, Vol. 82, No. 2114, Jul. 5, 1935

Front Matter (1 p.)
The Thermionic Valve in Scientific Research, pp. 625-628

Ambrose Fleming

The Electronic Theories of Lewis and Kossel, pp. 628-629

William A. Noyes

Obituary

Lucian W. Chaney, pp. 629-630

Franz F. Exner

Samuel Henry Essary, p. 630

Ludwig Stolz Mayer

Recent Deaths, p. 631

Scientific Events

Oxford University Observatory, p. 631

The David Dunlap Observatory, pp. 631-632

The Harvard Mineralogical Museum, p. 632

The Cornell Meeting of the American Institute of Electrical Engineers, pp. 632-633

Honorary Degrees Conferred by Harvard University, p. 633

Scientific Notes and News, pp. 633-636

Discussion

The New Active Principle of Ergot, pp. 636-639

Marvin R. Thompson

The Cross-Inoculation of Bacterial-Plant Group of Cicer, p. 639

M. S. Raju

Vitamins?, p. 639

Andrew Moldavan

Cytogenetic Notes on Sphaeralcea and Malvastrum, pp. 639-640

J. M. Webber

Scientific Men and the Newspapers, p. 640

Waldemar Kaempffert

Scientific Books

Quantum Mechanics, pp. 640-641

Principles of Quantum Mechanics

P. A. M. Dirac

Review author[s]: Paul S. Epstein

Garden Plants, pp. 641-642

The Genetics of Garden Plants

M. Crane; W.J.C. Lawrence

Review author[s]: Alfred E. Clarke

Scientific Apparatus and Laboratory Methods

Sand and Water Paradox, pp. 642-643

Isay A. Balinkin

Special Articles

Molecular Rearrangements of Sulfanilides, pp. 643-644

Treat B. Johnson; Maurice L. Moore

Isolation of a Crystalline Protein Possessing the Properties of Tobacco-Mosaic Virus, pp. 644-645

W. M. Stanley

Action Potentials during High and Low Frequency Stimulation of Medullated Nerve, pp. 645-646

McKeen Cattell; Harry Grundfest

Books Received, p. 646
Science News, pp. 5a+6a

Previous Issue: New Series, Vol. 81, No. 2112, Jun. 21, 1935
Next Issue: New Series, Vol. 82, No. 2114, Jul. 5, 1935

Science, New Series, Vol. 82, No. 2114, Jul. 5, 1935

Previous Issue: New Series, Vol. 81, No. 2113, Jun. 28, 1935
Next Issue: New Series, Vol. 82, No. 2115, Jul. 12, 1935

Volume Information (8 pp.)
Front Matter (3 pp.)
Electrochemistry's Debt to Edgar Fahs Smith, pp. 1-5

Colin G. Fink

Scientific Events

Ascent of the Russian Stratosphere Balloon, p. 5

The Harvard Dredging Expedition along the Atlantic Coast, pp. 5-6

Election of Officers of the American Institute of Electrical Engineers, p. 6

The Retirement of Professor Glenn W. Herrick, of Cornell University, p. 6

The Palisade Interstate Park, pp. 6-7

Basic Research by the Department of Agriculture, p. 7

Scientific Notes and News, pp. 7-10

Discussion

The Protection of Birds Made Profitable, pp. 10-12

R. E. Coker

An Abstracting Service for Technique in Biological Microscopy, p. 12

H. J. Conn

The Antivivisection Fight in Illinois, pp. 12-13

C. I. Reed

Scientific Books

Electrons, p. 13

Electrons (+ and -), Protons, Photons, Neutrons, and Cosmic Rays

R. A. Millikan

Review author[s]: H. A. W.

Wild Flowers, pp. 13-14

Wild Flowers

Homer D. House

Review author[s]: E. J. Alexander

The Diatomaceae, p. 14

An Index to the Genera and Species of the Diatomaceae and Their Synonyms, 1816-1932

Frederick W. Mills

Review author[s]: G. D. Hanna

Scientific Apparatus and Laboratory Methods

A Modified Medium for the Study of Intestinal Lactobacilli, pp. 14-15

George Valley; Ruth Cameron Herter

The Culturing of Fresh-Water Amoebae in the Laboratory, pp. 15-16

M. B. Sheib

Special Articles

On an Alkaloid from Ergot, pp. 16-17

Walter A. Jacobs; Lyman C. Craig

A Serological Estimate of the Absolute Concentration of Tobacco Mosaic Virus, p. 17

Kenneth Starr Chester

Influence of Deuterium Oxide on the Rate of Photosynthesis, p. 18

James Curry; Sam F. Trelease

Books Received, p. 18
Science News, pp. 8a+10a+11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2113, Jun. 28, 1935
Next Issue: New Series, Vol. 82, No. 2115, Jul. 12, 1935

Science, New Series, Vol. 82, No. 2115, Jul. 12, 1935

Previous Issue: New Series, Vol. 82, No. 2114, Jul. 5, 1935
Next Issue: New Series, Vol. 82, No. 2116, Jul. 19, 1935

Front Matter (2 pp.)

The American Association for the Advancement of Science

Homo Sapiens--Whence and Whither, pp. 19-31

Earnest A. Hooton

Scientific Events

Bird Sanctuaries in New York City, p. 31

Fifth Annual Field Conference of Pennsylvania Geologists, pp. 31-32

Bradford Willard

The International Astronomical Union, pp. 32-33

Botany at Harvard University, p. 33

Recent Deaths, p. 33

Scientific Notes and News, pp. 34-36

Discussion

The Problem of Earthquake Prediction, p. 37

H. Landsberg

The Word "Allele", pp. 37-38

Geo. H. Shull

German Periodicals Again, p. 38

Charles H. Brown

The British Guiana Expedition, pp. 38-39

R. Stuart Murray

Science for the General Public, p. 39

Myron Weiss

Scientific Books

De Generatione, pp. 39-41

A History of Embryology

Joseph Needham

Review author[s]: Frederic T. Lewis

The American Association for the Advancement of Science

Meeting of the Southwestern Division, pp. 41-42

E. F. Carpenter

State Academies, p. 42

Special Articles

The Lumbar Localization of Paralysis in Experimental Poliomyelitis after Intranasal Inoculation, pp. 42-43

Harold K. Faber

Cocco-Bacilliform Bodies Associated with an Infectious Fowl Coryza, pp. 43-44

John B. Nelson

The Role of Lipoids in the X-Ray Diffraction Patterns of Nerve, pp. 44-45

F. O. Schmitt; R. S. Bear; G. L. Clark

Scientific Apparatus and Laboratory Methods

Method for Study of Crystals Found in Amoeba by means of X-Rays, p. 45

Coleen Fowler

Variable Tension Clamps for Physiology Experiments, pp. 45-46

H. O. Burdick; Leon B. Bassett

A Device for Permanently Marking Laboratory Animals, p. 46

Philip L. Varney

Books Received, p. 46
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 82, No. 2114, Jul. 5, 1935
Next Issue: New Series, Vol. 82, No. 2116, Jul. 19, 1935

Science, New Series, Vol. 82, No. 2116, Jul. 19, 1935

Previous Issue: New Series, Vol. 82, No. 2115, Jul. 12, 1935
Next Issue: New Series, Vol. 82, No. 2117, Jul. 26, 1935

Front Matter (1 p.)
The South's Position in the Mineral Industry, pp. 47-51

R. S. Poor

The Geologic and the Cosmic Age Scales, pp. 51-53

George D. Louderback; Robley D. Evans; B. Gutenberg; G. P. Kuiper; Richard C. Tolman; Paul S. Epstein

Scientific Events

The Royal Observatory at Greenwich, p. 54

Introduction into the United States of Disease-Resistant Plants, pp. 54-55

The Union Catalogue of Medical Literature, p. 55

The Mycological Society of America, pp. 55-56

The Reorganization of the Neurological Institute of New York City, p. 56

Memorials and Recent Deaths, p. 56

Scientific Notes and News, pp. 57-60

Discussion

Human Remains in Gravel near West Union, Minn., p. 60

Henry Retzek

Killarnean and Earlier Granite, pp. 60-61

Alfred C. Lane

The Melodies of Verse, pp. 61-62

Wilbur L. Schramm

Effect of Cortin on Intra-Ocular Tension in Glaucoma, p. 62

Emanuel M. Josephson

The New Active Principle of Ergot, pp. 62-63

Marvin R. Thompson

Scientific Books

A Source Book of Physics, pp. 63-64

A Source-Book in Physics

William Francis Magie

Review author[s]: Henry Crew

X-Rays, pp. 64-65

X-Rays in Theory and Experiment

Arthur H. Compton; Samuel K. Allison

Review author[s]: David L. Webster

Special Articles

Concanavalin A and Hemagglutination, pp. 65-66

James B. Sumner; Stacey F. Howell; Alexander Zeissig

Changes in the Position of Chick Embryos after the Eighteenth Day of Incubation, pp. 66-67

Nelson F. Waters

Maternal Behavior in Male Rats, pp. 67-68

Morvyth McQueen-Williams

Egg Quantity and the Respiratory Rates of Several Marine Eggs, p. 68

D. M. Whitaker

Scientific Apparatus and Laboratory Methods

Stroboscopic Observation of Ciliary Movement in the Protozoa, pp. 68-70

J. C. Hammond

Darkfield Micromanipulation with an Ultropaque Illuminator, p. 70

M. J. Kopac

Books Received, p. 70
Science News, pp. 5a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 82, No. 2115, Jul. 12, 1935
Next Issue: New Series, Vol. 82, No. 2117, Jul. 26, 1935

Science, New Series, Vol. 82, No. 2117, Jul. 26, 1935

Previous Issue: New Series, Vol. 82, No. 2116, Jul. 19, 1935
Next Issue: New Series, Vol. 82, No. 2118, Aug. 2, 1935

Front Matter (3 pp.)
The Third Minneapolis Meeting of the American Association for the Advancement of Science, pp. 71-88

Henry B. Ward

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

Previous Issue: New Series, Vol. 82, No. 2116, Jul. 19, 1935
Next Issue: New Series, Vol. 82, No. 2118, Aug. 2, 1935

Science, New Series, Vol. 82, No. 2118, Aug. 2, 1935

Previous Issue: New Series, Vol. 82, No. 2117, Jul. 26, 1935
Next Issue: New Series, Vol. 82, No. 2119, Aug. 9, 1935

Front Matter (2 pp.)
The Isolation of Crystalline Progestin, pp. 89-93

W. M. Allen

Obituary

John Weinzirl, pp. 93-94

R. M. Winger

Recent Deaths, pp. 94-95

Scientific Events

The London Museum of Practical Geology, p. 95

The Minneapolis Meeting of the American Association for the Advancement of Science, pp. 95-96

Camp Conference for Boys by the Stevens Institute of Technology, p. 96

Promotions at the University of California, pp. 96-97

Notes from the Connecticut Agricultural Experiment Station, p. 97

Scientific Notes and News, pp. 97-99

Discussion

The New Ergot Alkaloid, pp. 99-101

H. H. Dale

Shall the Department of the Interior Become the Department of Conservation and Works?, pp. 101-102

H. H. Chapman

A Terminology Proposed for Motion Picture Films, pp. 102-103

Oscar W. Richards

A Review of Evidence Relating to the Status of the Problem of Antiquity of Man in Florida, p. 103

John C. Merriam

Quotations

The Forest Service, pp. 103-104

Scientific Apparatus and Laboratory Methods

Construction of a Cartesian Nomogram for the Law of Mass Action, pp. 104-105

Franklin C. McLean

Separation of One Component of Potato Rugose Mosaic by pH Difference, p. 105

Monroe E. Freeman

A Simple Method for Reading Film-Strips, p. 105

G. Robert Coatney

Special Correspondence

Biology of Shell-Movements of the Oyster, pp. 105-106

J. H. Orton

On the Site of Action of Acetylcholine and Its Significance, pp. 106-107

McKeen Cattell; H. G. Wolff

Pigmentation in Black-Haired Rats, pp. 107-108

Mykola H. Haydak

Books Received, p. 108
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 82, No. 2117, Jul. 26, 1935
Next Issue: New Series, Vol. 82, No. 2119, Aug. 9, 1935

Science, New Series, Vol. 82, No. 2119, Aug. 9, 1935

Previous Issue: New Series, Vol. 82, No. 2118, Aug. 2, 1935
Next Issue: New Series, Vol. 82, No. 2120, Aug. 16, 1935

Front Matter (2 pp.)

The American Association for the Advancement of Science

Conservation of Minerals, pp. 109-117

C. K. Leith

Obituary

Charles Robertson, pp. 117-118

H. B. Parks

Marion Dorset, p. 118

J. R. Mohler

Recent Deaths, p. 119

Scientific Events

International Congress for Scientific Management, p. 119

New Divisions in the Food and Drug Administration of the Department of Agriculture, pp. 119-120

Appropriations for the Museums of New York City, p. 120

Award of the Prize in Pure Chemistry of the American Chemical Society, pp. 120-121

The Director of the New York Botanical Garden, pp. 121-122

Scientific Notes and News, pp. 122-125

Discussion

Grants in Support of Research on the Biological Effects of Radiation, p. 125

B. M. Duggar

A Wide-Spread Error Relating to the Pythagoreans, p. 126

G. A. Miller

More Than Two Pre-Cambrian Granites in the Canadian Shield, pp. 126-127

Rollin T. Chamberlin

Transformation of Coordination after Crossing the Achilles Tendons in the Frog, p. 127

Franklin V. Taylor

Well Records Sought, p. 128

A. E. Alexander

Scientific Books

Some New Botanical Text-Books, pp. 128-130

The Plant Kingdom: A Text-Book of General Botany

William H. Brown

A Textbook of General Botany

Gilbert M. Smith; James B. Overton; Edward M. Gilbert; Rollin H. Denniston; George S. Bryan; Charles E. Allen

A Textbook of General Botany

Richard M. Holman; Wilfred W. Robbins

Review author[s]: Edwin B. Matzke; Sam F. Trelease

Special Articles

Chemical Relationships between Compounds of Physiological Importance Having the Phenanthrene Nucleus, pp. 130-133

Harold P. Lundgren

The Presence in Self-Blanching Celery of Unsaturated Compounds with Physiological Action Similar to Ethylene, pp. 133-134

R. C. Nelson; R. B. Harvey

New Cancer-Producing Hydrocarbons, p. 134

Avery A. Morton; Daniel B. Clapp; Charles F. Branch

The Formation of Carbohydrate from Glycerophosphate in the Liver of the Rat, pp. 134-135

Carl F. Cori; William M. Shine

Scientific Apparatus and Laboratory Methods

Bacteriological Examination of the Contents of the Closed Arm in the Smith Fermentation Tube, pp. 135-136

Norman MacL. Harris

A Device for Aerating and Circulating Aquarium Water, p. 136

Philip L. Varney

Books Received, p. 136
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 82, No. 2118, Aug. 2, 1935
Next Issue: New Series, Vol. 82, No. 2120, Aug. 16, 1935

Science, New Series, Vol. 82, No. 2120, Aug. 16, 1935

Previous Issue: New Series, Vol. 82, No. 2119, Aug. 9, 1935
Next Issue: New Series, Vol. 82, No. 2121, Aug. 23, 1935

Front Matter (2 pp.)
Progress in Medical Training and Research in the U. S. S. R., pp. 137-142

Alexander A. Troyanovsky

Obituary

Benjamin Lincoln Robinson, pp. 142-143

E. D. Merrill

Recent Deaths, p. 143

Memorials, pp. 143-144

Scientific Events

An Oxford Expedition, p. 144

Expeditions of the Academy of Natural Sciences of Philadelphia, pp. 144-146

Members of the Water Resources Committee, p. 146

The Norwich Meeting of the British Association for the Advancement of Science, pp. 146-147

The Woods Hole Meeting of the Genetics Society of America, p. 147

Scientific Notes and News, pp. 147-150

Discussion

Synchronous Flashing of Fireflies, pp. 151-152

Hugh M. Smith

A Case for Priority in Botanical Nomenclature, p. 152

William W. Diehl

Acuity of Hearing, pp. 152-153

Donald A. Laird

Tetrapods in the Dunkard Series, p. 153

J. J. Burke

Nomenclature of Corpus Luteum Hormone, p. 153

W. M. Allen; A. Butenandt; G. W. Corner; K. H. Slotta

Societies and Meetings

The International Congress of Physiology in Leningrad, pp. 153-155

Walter Duranty

Special Articles

Crystalline Progestin and Inhibition of Uterine Motility in Vivo, p. 155

Willard M. Allen; Samuel R. M. Reynolds

A Colloidal Dye Effective in Treating Pernicious Anemia and Evoking Reticulocytosis in Guinea Pigs, pp. 155-156

Camille Mermod; William Dock

Deuterium as an Indicator in the Study of Intermediary Metabolism, pp. 156-157

Rudolf Schoenheimer; David Rittenberg

Scientific Apparatus and Laboratory Methods

A Biological Effect of Ionized Air, pp. 157-158

C. T. Chase; C. H. Willey

Applications of Pervaporation, p. 158

Lionel Farber

Books Received, p. 158
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 82, No. 2119, Aug. 9, 1935
Next Issue: New Series, Vol. 82, No. 2121, Aug. 23, 1935

Science, New Series, Vol. 82, No. 2121, Aug. 23, 1935

Previous Issue: New Series, Vol. 82, No. 2120, Aug. 16, 1935
Next Issue: New Series, Vol. 82, No. 2122, Aug. 30, 1935

Front Matter (2 pp.)
The Etiology of Pernicious and Related Macrocytic Anemias, pp. 159-164

William B. Castle

Scientific Events

Courses in Game Management at the State Universities, p. 164

The Leverhulme Fellowships and Awards for Research, pp. 164-165

The Oxford Congress on Soil Science, p. 165

Meeting of Mathematicians at Ann Arbor, p. 166

Recent Deaths, p. 166

Scientific Notes and News, pp. 167-170

Discussion

Minnesota Man--A Discussion of the Site, pp. 170-171

Kirk Bryan

The Occurrence of Anopheles Maculipennis in Mexico, pp. 171-172

Alf. Dampf

Eggs of a Peneid Shrimp, p. 172

John C. Pearson

An Anomalous Muscle in the California River Otter, pp. 172-173

Edna M. Fisher

The Effect of Prolactin on the Estrus Cycle of Non-Parous Mice, p. 173

Irmgard Dresel

Scientific Books

Faraday, pp. 173-174

Faraday's Diary

Thomas Martin

Faraday

Thomas Martin

Review author[s]: W. F. Magie

Applied Entomology, pp. 174-175

Applied Entomology--An Introductory Text-Book of Insects in Their Relation to Man

H. T. Fernald

Review author[s]: L. O. Howard

Special Articles

X-Ray Reflections of Long Spacing from Tendon, pp. 175-176

Ralph W. G. Wyckoff; Robert B. Corey; J. Biscoe

Further Studies on Oral Immunization to Colds, pp. 177-178

George E. Rockwell; Hermann C. Van Kirk; H. M. Powell

A "Growth Substance", p. 178

Roger J. Williams; Bert E. Christensen

Scientific Apparatus and Laboratory Methods

A Method of Preparing Paraffin Sections of Bone, p. 179

Lorna Thigpen David

Apparatus for Heavy Water Studies in Small Animals, pp. 179-180

Henry G. Barbour; F. J. Cochran

Books Received, p. 180
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 82, No. 2120, Aug. 16, 1935
Next Issue: New Series, Vol. 82, No. 2122, Aug. 30, 1935

Science, New Series, Vol. 82, No. 2122, Aug. 30, 1935

Previous Issue: New Series, Vol. 82, No. 2121, Aug. 23, 1935
Next Issue: New Series, Vol. 82, No. 2123, Sep. 6, 1935

Front Matter (2 pp.)
The Bodily Expression of Human Growth and Welfare, pp. 181-186

T. Wingate Todd

Scientific Events

Hydrography in the British Admiralty, p. 186

The Second Dolan Expedition of the Academy of Natural Sciences of Philadelphia, pp. 186-187

Visit of British Physicians to the United States, p. 187

The American Forestry Association, pp. 187-188

Recent Deaths and Memorials, p. 188

Scientific Notes and News, pp. 189-191

Discussion

On the Formation of Lake Balls, pp. 191-192

A. G. Huntsman

The Soldado Rock Section, pp. 192-193

Carlotta Joaquina Maury

Unisexual Limber Pines, p. 193

Walter Kiener

An Appeal to Scientists of the USSR, pp. 193-194

Horace Elmer Wood

Special Correspondence

A Personal Report on the National Forests, pp. 194-196

Henry A. Wallace

Scientific Books

Families of Flowering Plants, pp. 196-197

The Families of Flowering Plants. II. Monocotyledons

J. Hutchinson

Review author[s]: Edward W. Berry

Meteorology, pp. 197-198

Physical and Dynamical Meteorology

David Brunt

Review author[s]: W. J. Humphreys

Special Articles

Further Observations on the Potential Rhythms of the Cerebral Cortex during Sleep, pp. 198-200

Alfred L. Loomis; E. Newton Harvey; Garret Hobart

Intranasal Or Gastrointestinal Portal of Entry in Poliomyelitis, pp. 200-201

John A. Toomey

Hemorrhagic Necrosis and Regression of Sarcoma 180, p. 201

Gregory Shwartzman

Scientific Apparatus and Laboratory Methods

A Thyratron Control for Incubators and Water Baths, pp. 201-202

James W. Mavor; Everett W. Thatcher

The Preparation of Bixin, p. 202

Harry N. Holmes; Werner H. Bromund

Books Received, p. 202
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 82, No. 2121, Aug. 23, 1935
Next Issue: New Series, Vol. 82, No. 2123, Sep. 6, 1935

Science, New Series, Vol. 82, No. 2123, Sep. 6, 1935

Previous Issue: New Series, Vol. 82, No. 2122, Aug. 30, 1935
Next Issue: New Series, Vol. 82, No. 2124, Sep. 13, 1935

Front Matter (3 pp.)

The British Association for the Advancement of Science

Form, Drift and Rhythm of the Continents, pp. 203-213

W. W. Watts

Scientific Events

Report of the British Forestry Commissioners, pp. 213-214

Petroleum Laboratories of the Bureau of Mines, p. 214

Motion Picture Films of the National Archives of the United States, pp. 214-215

An Interne System for Museums, p. 215

Federal Fellowships for Health Officers, pp. 215-216

Recent Deaths and Memorials, p. 216

Scientific Notes and News, pp. 216-219

Discussion

Earthquake Prediction, pp. 219-220

Harry O. Wood; B. Gutenberg

Sensory Masking--A Peripheral Or a Central Phenomenon?, p. 221

I. Maclaren Thompson

Drinker Respirator Patents Held Invalid, pp. 221-222

Joseph Rossman

Ascorbic Acid in Cataract with Special Reference to Dinitrophenol Cataracts, pp. 222-223

Emanuel M. Josephson

The Development of Liver Therapy in Anemia, p. 223

Hyman I. Goldstein

Scientific Books

Atomic Spectra, pp. 223-225

Introduction to Atomic Spectra

Harvey E. White

Review author[s]: Samuel K. Allison

Gymnosperms, pp. 225-226

Gymnosperms, Structure and Evolution

C. J. Chamberlain

Review author[s]: J. T. Buchholz

State Academies, pp. 226-227

Reports

Report of the Sub-Committee on Scientific Investigations of the Fisheries Advisory Board, pp. 227-228

R. V. Truitt

Special Articles

Further Data on the Existence of Extra-Chromosomal Influence on the Incidence of Mammary Tumors in Mice, pp. 228-230

William S. Murray; C. C. Little

Adrenal Insufficiency in the Marmo and Opossum and Theories of Cortico-Adrenal Function, pp. 230-232

S. W. Britton; H. Silvette

The Peripheral Action of Barbiturates, p. 232

Theodore Koppanyi; Charles R. Linegar; James M. Dille

Scientific Apparatus and Laboratory Methods

A Simple Type of Ergometer, pp. 232-233

George B. Ray

A Method for Measuring Sweat Output from Skin Surfaces, pp. 233-234

Leonard E. Anderson

Books Received, p. 234
Science News, pp. 10a+12a+13a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 82, No. 2122, Aug. 30, 1935
Next Issue: New Series, Vol. 82, No. 2124, Sep. 13, 1935

Science, New Series, Vol. 82, No. 2124, Sep. 13, 1935

Previous Issue: New Series, Vol. 82, No. 2123, Sep. 6, 1935
Next Issue: New Series, Vol. 82, No. 2125, Sep. 20, 1935

Front Matter (2 pp.)

The British Association for the Advancement of Science

The Story of Isotopes, pp. 235-240

F. W. Aston

The Fifteenth International Congress of Physiology, pp. 240-244

A. V. Hill; McKeen Cattell

Scientific Events

Fellows of the Beit Memorial Fellowship for Medical Research, pp. 244-245

The Seventy-Fifth Anniversary of the Columbia School of Mines, pp. 245-246

The Silliman Lectures at Yale University, p. 246

Scientific Notes and News, pp. 246-248

Discussion

Definitions of Mathematical Terms in General English Dictionaries, pp. 248-249

G. A. Miller

The Effects of Zinc Salts on the Oxidation Process in Plant Cells, pp. 249-250

H. S. Reed; J. Dufrenoy

Pliocene Antelopes of the Pronghorn Type, pp. 250-251

E. L. Furlong

Concerning Reasoning, p. 251

Gustav Eckstein

Special Articles

Gravel Cusps on the California Coast Related to Tides, pp. 251-253

Francis P. Shepard

Dehydration and Infiltration, pp. 253-254

D. A. Johansen

Immunological Reactions and Viscosity, p. 254

Lecomte Du Noüy

Scientific Apparatus and Laboratory Methods

The Use of the Photoelectric Cell in Physiological Experiments, pp. 254-256

Amedeo S. Marrazzi

Sodium Amytal for Anesthesia in Studies on Mitochondria, p. 256

J. McA. Kater

A Modified Culture Jar, p. 256

Robert P. Marsh

Books Received, p. 256
Science News, pp. 6a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 82, No. 2123, Sep. 6, 1935
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Science, New Series, Vol. 82, No. 2125, Sep. 20, 1935

Previous Issue: New Series, Vol. 82, No. 2124, Sep. 13, 1935
Next Issue: New Series, Vol. 82, No. 2126, Sep. 27, 1935

Front Matter (3 pp.)

The American Association for the Advancement of Science

The Los Angeles Meeting of the Pacific Division, pp. 257-268

J. Murray Luck

Obituary

Curtis Fletcher Marbut, pp. 268-270

Charles E. Kellogg

Recent Deaths, p. 270

Scientific Events

"Current Science", pp. 270-271

The Peat Subcommission of the Third International Congress of Soil Science, p. 271

The Washington Meeting of the Electrochemical Society, pp. 271-272

Changes at the Franklin Institute, p. 272

Scientific Notes and News, pp. 272-275

Discussion

The Circulation of Hudson Bay Water as Indicated by Drift Bottles, pp. 275-276

H. B. Hachey

The Antigenic Properties of Plant Viruses, pp. 276-277

H. H. McKinney

Cleavage without Nuclei, p. 277

Ethel Browne Harvey

The Hatching of Eggs of the Southern Buffalo Gnat, pp. 277-278

G. H. Bradley

Biological Control of an Insect Pest by a Toad, pp. 278-279

H. L. Van Volkenberg

Scientific Books

Chronica Botanica, p. 279

Chronica Botanica

Fr. Verdoorn

Review author[s]: John Hendley Barnhart

The Brain, p. 280

The Brain as an Organ

Frederic Wertham; Florence Wertham

Review author[s]: Stanley Cobb

Special Articles

Viability of B. Coli Exposed to Ultra-Violet Radiation in Air, pp. 280-281

William Firth Wells; Gordon Maskew Fair

Sterilization of Tribolium by High Temperature, pp. 281-282

Thomas Park

The Ostracoderm Order Osteostraci, pp. 282-283

George M. Robertson

Scientific Apparatus and Laboratory Methods

The Ultra Sonic Vibrations of Small Plates, pp. 283-284

R. C. Colwell; L. R. Hill

A Method of Passing Air, Gas Or Vapor over Or through Micro-Organismal Growths, p. 284

John W. Williams

Books Received, p. 284
Science News, pp. 6a+8a+9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 82, No. 2124, Sep. 13, 1935
Next Issue: New Series, Vol. 82, No. 2126, Sep. 27, 1935

Science, New Series, Vol. 82, No. 2126, Sep. 27, 1935

Previous Issue: New Series, Vol. 82, No. 2125, Sep. 20, 1935
Next Issue: New Series, Vol. 82, No. 2127, Oct. 4, 1935

Front Matter (2 pp.)
The Land of Your Possession, pp. 285-293

Isaiah Bowman

Obituary

Elbert William Rockwood, pp. 294-295

J. N. Pearce

Recent Deaths, p. 295

Scientific Events

The London School of Tropical Medicine, p. 295

The Enlarged Chemistry Building of the University of California at Los Angeles, pp. 295-296

The New Arboretum of Cornell University, p. 296

The Hayden Planetarium of the American Museum of Natural History, pp. 296-297

Scientific Notes and News, pp. 297-300

Discussion

Vitalism, Irritability and Perpetuum Mobile, pp. 300-301

F. H. Pike

The Effect of Fluorine in Natural Waters on the Teeth of Small Fish, pp. 301-302

Andrew Neff

The Cytology of the Differentiating Spiral Vessel in Ricinus communis, p. 302

F. Murray Scott

Motion-Picture Speed Nomenclature, p. 302

Martin A. Ryan

Birch-Bark Canoes, p. 302

Harlan I. Smith

Scientific Books

Biochemistry, pp. 302-303

Annual Review of Biochemistry

James Murray Luck

Review author[s]: Benjamin Harrow

The Reptiles of China, pp. 303-304

Natural History of Central Asia, Vol. X, the Reptiles of China

Clifford H. Pope

Review author[s]: E. R. Dunn

Special Articles

Caffeic Acid in Prunes and Its Behavior as a Laxative Principle, p. 304

E. Mrak; J. Fessler; C. Smith

The Effect of the Performance of Physical Work on Mimosa, pp. 304-305

W. E. Burge; G. C. Wickwire

Scientific Apparatus and Laboratory Methods

A New Microcolorimeter, pp. 305-306

T. W. Pratt; A. L. Tatum

An Easy Way to Reduce Electrification of Paraffin Ribbons, p. 306

Charles Wilson; John S. Hockaday

Books Received, p. 306
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 82, No. 2125, Sep. 20, 1935
Next Issue: New Series, Vol. 82, No. 2127, Oct. 4, 1935

Science, New Series, Vol. 82, No. 2127, Oct. 4, 1935

Previous Issue: New Series, Vol. 82, No. 2126, Sep. 27, 1935
Next Issue: New Series, Vol. 82, No. 2128, Oct. 11, 1935

Front Matter (4 pp.)

The American Association for the Advancement of Science

The Importance of Ecology in Relation to Disease, pp. 307-317

Richard P. Strong

Obituary

Charles Elwood Mendenhall, pp. 317-318

Karl T. Compton

John S. Carroll, p. 319

R. H. S.

John Ignatius Fanz, p. 319

W. N. P.

Recent Deaths, p. 319

Scientific Events

Radium at the Westminster Hospital, London, p. 320

Migratory Waterfowl Refuges, pp. 320-321

The Curriculum in Public Health at the George Washington University, p. 321

The Autumn Meeting of the National Academy of Sciences, pp. 321-322

Scientific Notes and News, pp. 322-325

Discussion

Conservation of the Prehistoric Remains of Nebraska, p. 325

A. L. Lugn

"Yellow Water" in La Jolla Bay in 1935, pp. 325-326

W. E. Allen

Growth Promoting Effect of Flavine on the Chick, p. 326

Samuel Lepkovsky; Thomas H. Jukes

A New Variety of Black Locust, pp. 326-327

B. Y. Morrison

Effect of Radium Rays on Living Cells, p. 327

C. Stuart Gager

German Books and Periodicals, p. 327

Charles H. Brown

Scientific Books

Our Remote Intellectual Ancestry, pp. 327-329

Primitives and the Supernatural

Lucien Levy-Brühl

Review author[s]: Joseph Jastrow

Societies and Meetings

The Seventh American Scientific Congress, pp. 329-331

Cloyd H. Marvin

Special Articles

Experimental Dissociation of the Effects of Anterior Pituitary Glands of Various Species on Thyroid and Ovary, pp. 331-333

Leo Loeb; W. C. Anderson; John Saxton; S. J. Hayward; A. A. Kippen

Travertine Depositing Waters near Lexington, Virginia, pp. 333-334

Edward Steidtmann

Scientific Apparatus and Laboratory Methods

A Zipper Tube for Holding Small Live Animals, p. 335

Albert R. Shadle; Irene Skarupinski

A Method for Imbedding Plant Tissues without Dehydration, pp. 335-336

J. Dufrenoy

Automatic Flow-Meter for Drip Solutions in Plant Nutritional Studies, p. 336

Robert E. Wean

Books Received, p. 336
Science News, pp. 10a+12a+14a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 82, No. 2126, Sep. 27, 1935
Next Issue: New Series, Vol. 82, No. 2128, Oct. 11, 1935

Science, New Series, Vol. 82, No. 2128, Oct. 11, 1935

Previous Issue: New Series, Vol. 82, No. 2127, Oct. 4, 1935
Next Issue: New Series, Vol. 82, No. 2129, Oct. 18, 1935

Front Matter (3 pp.)
Summary Statement of the Work of the National Research Council--1934-1935, pp. 337-342

Isaiah Bowman

Obituary

Edward Salisbury Dana, pp. 342-344

William E. Ford

Recent Deaths and Memorials, p. 344

Scientific Events

Introduction of Plants to Prevent Soil Erosion, pp. 344-345

Summer at the Gray Herbarium, p. 345

Frederick Webb Hodge Anniversary Publication Fund, pp. 345-346

Zoology at the St. Louis Meeting of the American Association for the Advancement of Science, p. 346

George R. La Rue

Scientific Notes and News, pp. 346-349

Discussion

German Periodicals and Serial Publications, pp. 349-350

Eileen R. Cunningham

The Time to Cut Dandelions, p. 350

Carl D. La Rue

Iodized Salt a Hundred Years Ago, pp. 350-351

C. M. McCay

A New Cosmic Phenomenon, p. 351

J. H. Dellinger

Scientific Books

American Birds, pp. 351-353

The American Eagle. A Study in Natural and Civil History

Francis Hobart Herrick

Review author[s]: J. T. Nichols

Special Articles

Cultivation of Human Influenza Virus in an Artificial Medium, pp. 353-354

Thomas Francis; Thomas P. Magill

Relative Efficiency of Roots and Tops of Plants in Protecting the Soil from Erosion, pp. 354-355

J. E. Weaver; Joseph Kramer

Scientific Apparatus and Laboratory Methods

Rio-Hortega's Double Silver Impregnation Technique Adapted to the Staining of Tissue Cultures, pp. 355-356

Webb Haymaker; J. M. Sánchez-Pérez

A Bath for Orienting Objects in Paraffin, p. 356

Merritt N. Pope

Books Received, p. 356
Science News, pp. 6a+8a+9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 82, No. 2127, Oct. 4, 1935
Next Issue: New Series, Vol. 82, No. 2129, Oct. 18, 1935

Science, New Series, Vol. 82, No. 2129, Oct. 18, 1935

Previous Issue: New Series, Vol. 82, No. 2128, Oct. 11, 1935
Next Issue: New Series, Vol. 82, No. 2130, Oct. 25, 1935

Front Matter (2 pp.)
The Way Forward in Chemistry, pp. 357-361

William Albert Noyes

Obituary

Arthur Dehon Little, pp. 362-363

Avery A. Ashdown

Recent Deaths, pp. 363-364

Scientific Events

The Annual Inspection of the British National Physical Laboratory, p. 364

Chemistry at the Brooklyn College, pp. 364-365

Conservation of Migratory Birds, p. 365

The Andrew Carnegie Centennial Celebration, pp. 365-366

Scientific Notes and News, pp. 366-369

Discussion

Zoology and the Moving Pictures, pp. 369-370

T. D. A. Cockerell

Goiter Prophylaxis with Iodized Salt, pp. 370-371

Roy D. McClure

A New Occurrence of the Flying Reptile, Pteranodon, p. 371

C. W. Gilmore

The First School of Chemistry, p. 371

Thomas T. Read

Scientific Books

Electron Emission and Adsorption Phenomena, pp. 371-372

Electron Emission and Adsorption Phenomena

J. H. de Boer

Review author[s]: I. M. Kolthoff

The Structure of Crystals, p. 372

The Structure of Crystals

R. W. G. Wyckoff

Review author[s]: Linus Pauling

The Sixteenth Annual Meeting of the American Geophysical Union, pp. 373-374

J. A. Fleming

Special Articles

A Curve of Experimental Extinction in the White Rat, pp. 374-376

Walter S. Hunter

Dissociation of the Pyramidal and Extrapyramidal Functions of the Frontal Lobe, p. 376

Sarah S. Tower; Marion Hines

The Nature of the Barbiturate-Picrotoxin Antagonism, pp. 376-377

Charles R. Linegar; James M. Dille; Theodore Koppanyi

Scientific Apparatus and Laboratory Methods

Physiological Stroboscope, p. 377

Leo A. Kallen; H. S. Polin

A Method for Irrigating Fungus Cultures, pp. 377-378

Dorothy Pease

Books Received, p. 378
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 82, No. 2128, Oct. 11, 1935
Next Issue: New Series, Vol. 82, No. 2130, Oct. 25, 1935

Science, New Series, Vol. 82, No. 2130, Oct. 25, 1935

Previous Issue: New Series, Vol. 82, No. 2129, Oct. 18, 1935
Next Issue: New Series, Vol. 82, No. 2131, Nov. 1, 1935

Front Matter (2 pp.)
Borderlands in Science, pp. 379-382

F. K. Richtmyer

Scientific Events

Federal Appropriations, pp. 382-383

Call for Papers for the St. Louis Meeting of Section I (Psychology), p. 383

John A. McGeoch

The Sixth National Organic Chemistry Symposium, pp. 383-384

The New York Museum of Science and Industry, p. 384

Recent Deaths and Memorials, pp. 384-385

Scientific Notes and News, pp. 385-388

Discussion

The Solute as Liquid, pp. 388-389

Wilder D. Bancroft

On the Formation of Lake Balls, pp. 389-390

Francis H. Allen

The Phenomenon of Masking, pp. 390-391

S. S. Stevens

A Comprehensive Morphology of Sphenodon, p. 391

Gordon L. Walls

Scientific Books

Biochemistry, p. 391

A Text-Book of Biochemistry

Benjamin Harrow; Carl P. Sherwin

Review author[s]: William H. Chambers

Seed Science, pp. 391-392

Seed Science for Japanese Agriculturists, Horticulturists, and Foresters

Mantarō Kondō

Review author[s]: Andrew L. Winton

Foods in Japan, p. 392

The Chemical Analysis of Food in Japan

T. Saiki; T. Higuchi; M. Kondō; K. Matsuzawa

Review author[s]: Carl L. Alsberg

Societies and Meetings

The Ninth Annual Field Conference of the Kansas Geological Society, pp. 392-394

John R. Ball

Special Articles

Fractionation Studies on Provitamin D, pp. 394-395

Elizabeth M. Koch; F. C. Koch

The Blue Mud-Dauber as a Predator of the Black Widow Spider, pp. 395-396

William G. Irving; E. Harold Hinman

Scientific Apparatus and Laboratory Methods

Glass Electrodes, pp. 396-397

Philip L. Varney

A Method of Numbering Laboratory Rats, pp. 397-398

George Walker

Books Received, p. 398
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 82, No. 2129, Oct. 18, 1935
Next Issue: New Series, Vol. 82, No. 2131, Nov. 1, 1935

Science, New Series, Vol. 82, No. 2131, Nov. 1, 1935

Previous Issue: New Series, Vol. 82, No. 2130, Oct. 25, 1935
Next Issue: New Series, Vol. 82, No. 2132, Nov. 8, 1935

Front Matter (2 pp.)

The British Association for the Advancement of Science

Recent Progress in the Study of Early Man, pp. 399-407

Arthur Smith Woodward

Scientific Events

International Health Services, p. 407

The Flower and Fifth Avenue Hospitals of New York City, pp. 407-408

Grants in Aid of Research of the American Academy of Arts and Sciences, p. 408

Professor Gerrit Grijns, pp. 408-409

M. C. Kik

Award of the John Fritz Gold Medal, pp. 409-410

Recent Deaths, p. 410

Scientific Notes and News, pp. 410-413

Discussion

"Remarks on Sulaiman's Theory of Relativity", pp. 413-415

S. M. Sulaiman; D. R. Hamilton

The New Ergot Alkaloid, pp. 415-417

Arthur Stoll

Heterothallism of Sunflower Powdery Mildew, pp. 417-418

Cecil E. Yarwood

Rare Aquatic Phenomena, p. 418

David Tomlinson

Scientific Books

Psychology, p. 419

Psychology: A Factual Textbook

E. G. Boring; H. S. Langfeld; H. P. Weld

Review author[s]: Edward S. Robinson

Limnology, pp. 419-420

Limnology

Paul S. Welch

Review author[s]: C. Juday

Special Articles

Concerning Active Immunization in Poliomyelitis, pp. 420-421

Simon Flexner

The Ergot Alkaloids. Synthesis of 4-Carboline Carbonic Acids, pp. 421-422

Walter A. Jacobs; Lyman C. Craig

The Preparation and Determination of Trehalose in Yeast, pp. 422-423

A. Steiner; C. F. Cori

The Ascorbic Acid Content of Certain Organs of Chicks Raised on Vitamin C Deficient Ration, p. 423

H. C. Hou

Scientific Apparatus and Laboratory Methods

Apparatus for the Study of Sensory Discrimination in Mammals, pp. 423-425

Karl Ulrich Smith

The "Contour" Chart and Its Importance in Public Health Tabulations, pp. 425-426

John W. Williams

Books Received, p. 426
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 82, No. 2130, Oct. 25, 1935
Next Issue: New Series, Vol. 82, No. 2132, Nov. 8, 1935