Science, New Series, Vol. 79, No. 2036, Jan. 5, 1934


Previous Issue: New Series, Vol. 78, No. 2035, Dec. 29, 1933
Next Issue: New Series, Vol. 79, No. 2037, Jan. 12, 1934


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


The American Association for the Advancement of Science
The Social Advantages and Disadvantages of the Engineering-Scientific Approach to Civilization, pp. 1-5
Henry A. Wallace


Scientific Events
Radio Observations of the Eclipse, p. 5
K. A. Norton
The Cost of German Medical and Scientific Periodicals, p. 6
Eileen R. Cunningham
Projects of the Society for the Promotion of Engineering Education, pp. 6-7
Inorganic Syntheses, p. 7
Medical Lectures at the Harvard and Stanford Schools of Medicine, pp. 7-8
Officers of the American Association for the Advancement of Science, p. 8


Scientific Notes and News, pp. 8-11


Discussion
What are "Expansion" and "Contraction"?, p. 11
F. B. Sumner
Conventions of Botanical Nomenclature, pp. 11-12
Herbert F. Copeland
An Amendment to the Law of Multiple Proportions, p. 13
E. A. Vuilleumier
The Induced Oxidation of Lactic Acid by Ascorbic Acid and the Cancer Problem, p. 13
W. P. Jorissen; A. H. Belinfante


Reports
The Efficacy and Economic Effects of Plant Quarantines in California, pp. 13-14
G. F. Ferris


Scientific Apparatus and Laboratory Methods
A Method for Studying Drought Resistance in Plants, pp. 14-16
Hardy L. Shirley
A Modified Sabouraud Medium Suitable for Cultivation of Acid-Fast Actinomycetes, p. 16
Sara A. Scudder


Special Articles
Experimental Analysis of Vito Volterra's Mathematical Theory of the Struggle for Existence, pp. 16-17
G. F. Gause
The Amylase System of the Liver, pp. 17-18
Leonore Hollander
A Canker and Gall Disease of Gardenia, p. 18
H. N. Hansen; C. Emlen Scott


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

Previous Issue: New Series, Vol. 78, No. 2035, Dec. 29, 1933
Next Issue: New Series, Vol. 79, No. 2037, Jan. 12, 1934



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Science, New Series, Vol. 79, No. 2037, Jan. 12, 1934


Previous Issue: New Series, Vol. 79, No. 2036, Jan. 5, 1934
Next Issue: New Series, Vol. 79, No. 2038, Jan. 19, 1934


Front Matter (2 pp.)


The American Association for the Advancement of Science
Invisible Starlight, pp. 19-24
Paul W. Merrill


Obituary
Memorials, p. 25
Recent Deaths, p. 25


Scientific Events
The Royal Society and Heavy Hydrogen, p. 26
A Nation-Wide Survey of First-Year College Physics, pp. 26-27
The Hayden Planetarium of the American Museum of Natural History, p. 27
Emergency Conservation Work, pp. 27-28
Federal Appropriations for Scientific Work, p. 28
Award of the Perkin Medal to Dr. Colin G. Fink, p. 28
The Association of American Geographers, pp. 28-29


Scientific Notes and News, pp. 29-32


Discussion
Are There Granitic and Basaltic Shells in the Earth?, pp. 32-33
A. N. Winchell
Copper in Relation to Chlorophyl and Hemoglobin Formation, pp. 33-34
O. S. Orth; G. C. Wickwire; W. E. Burge
The Incidence of Color-Blindness among the Chinese, p. 34
L. G. Kilborn; Y. T. Beh
The Raman Spectrum of Heavy Water, p. 35
R. W. Wood


Reports
Work of the New York Botanical Garden, pp. 35-36


Scientific Apparatus and Laboratory Methods
Aids in the Study of Dental Caries with Albino Rats, pp. 36-37
Isaac Neuwirth; Paul Brandwein
The Silver Iodide Test for Hydrocyanic Acid, p. 37
Denis L. Fox


Special Articles
The Method of Probits, pp. 38-39
C. I. Bliss
Oxidation-Reduction Reactions between Natural Hydrocarbons and Oil-Filled Waters, pp. 39-40
C. H. Behre; R. K. Summerbell
On a Scurvy-Like Disease in Chicks, p. 40
Romayne Cribbett; John T. Correll


Books Received, p. 40
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 79, No. 2036, Jan. 5, 1934
Next Issue: New Series, Vol. 79, No. 2038, Jan. 19, 1934



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Science, New Series, Vol. 79, No. 2038, Jan. 19, 1934


Previous Issue: New Series, Vol. 79, No. 2037, Jan. 12, 1934
Next Issue: New Series, Vol. 79, No. 2039, Jan. 26, 1934


Front Matter (2 pp.)


The Sedgwick Memorial Lecture
Aristogenesis, the Creative Principle in the Origin of Species, pp. 41-45
Henry Fairfield Osborn


The American Association for the Advancement of Science
The Mechanism of the Polymerization and Depolymerization of Olefins, pp. 45-47
Frank C. Whitmore


Obituary
Henry Stephens Washington, pp. 47-48
C. N. F.
Howard Crosby Warren, p. 48
Margaret Floy Washburn
Homer Collar Skeels, p. 49
P. R.


Scientific Events
Gifts to the British Natural History Museum, p. 49
The Geographic Players, Inc., pp. 49-50
Wild-Life Restoration, pp. 50-51
An Aerial Photographic Survey, p. 51
The Rudolph Matas Award, pp. 51-52


Scientific Notes and News, pp. 52-55


Discussion
Paleozoic Age of the Rocks of Central New Hampshire, pp. 55-56
Marland Billings
Glossary of Terms Used in Describing Woods, pp. 56-57
Samuel J. Record
Autogamy in Paramecium Aurelia, p. 57
William F. Diller
Cataract as a Result of Dietary Deficiency in Larval Amblystoma Tigrinum, pp. 57-58
Esther M. Patch
The Northwest Coniferous Climax, p. 58
I. T. Haig


Reports
Appropriations for Grants-in-Aid by the National Research Council, pp. 58-59
Isaiah Bowman


Scientific Apparatus and Laboratory Methods
A New Culture Medium for Cladocerans, pp. 59-60
Walter A. Chipman
A Culture Method for Daphnia, p. 60
R. M. Bond
A Scheme for Dilutions in the Laboratory, p. 60
Charles J. Lyon


Special Articles
The Nature of Lysozyme Action, p. 61
Karl Meyer; Richard Thompson; John W. Palmer; Devorah Khorazo
Effects of Feeding Sodium Bicarbonate or Lactic Acid upon the Sex Ratio in Rats, pp. 61-62
Fred E. D'Amour
The Effects of Thallium Sulfate upon Soils, p. 62
A. S. Crafts


Books Received, p. 62
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 79, No. 2037, Jan. 12, 1934
Next Issue: New Series, Vol. 79, No. 2039, Jan. 26, 1934



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Science, New Series, Vol. 79, No. 2039, Jan. 26, 1934


Previous Issue: New Series, Vol. 79, No. 2038, Jan. 19, 1934
Next Issue: New Series, Vol. 79, No. 2040, Special Issue Containing Reports of the Fifth Boston Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 2, 1934


Front Matter (2 pp.)


The American Association for the Advancement of Science
On Poisons and Disease and Some Experiments with the Toxin of the Bacillus Tetani, pp. 63-70
John J. Abel


Obituary
Alfred Fabian Hess, pp. 70-72
Recent Deaths, p. 72


Scientific Events
Exhibit of the Physical Society, London, pp. 72-73
An Exhibit of Industrial Chemistry at the Newark Museum, p. 73
The New York State Experiment Station at Geneva, p. 73
British Honors, p. 74
In Honor of Professors of Mathematics at the University of Wisconsin, p. 74


Scientific Notes and News, pp. 74-77


Discussion
Some Erroneous Age Records of Paleozoic Plant Genera, pp. 77-78
David White
A Starchless Potato Induced by the Introduction of Foreign Enzymes, pp. 78-79
R. F. Suit; Harold Hibbert
A Promising Control for Psyllid Yellows of Potatoes, p. 79
George M. List; Leslie B. Daniels
Where Did This Really Happen?, pp. 79-80
Edward R. Warren
A Change of Names, p. 80
Barnum Brown


Reports
Tri-State Geological Field Conference of the Upper Mississippi Valley, pp. 80-82
J. Marvin Weller


Scientific Apparatus and Laboratory Methods
A New Method of Illustration, p. 82
Marjorie Hooker
A Simple Method for Measuring Small Time Intervals, pp. 82-83
K. D. Roeder


Special Articles
Contrasting Properties of Ions, Zwitterions and Uncharged Molecules, pp. 83-84
Edwin J. Cohn
"Exergic" and "Endergic" Reactions, p. 84
W. Blum


Books Received, p. 84
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 79, No. 2038, Jan. 19, 1934
Next Issue: New Series, Vol. 79, No. 2040, Special Issue Containing Reports of the Fifth Boston Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 2, 1934



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Science, New Series, Vol. 79, No. 2040, Special Issue Containing Reports of the Fifth Boston Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 2, 1934


Previous Issue: New Series, Vol. 79, No. 2039, Jan. 26, 1934
Next Issue: New Series, Vol. 79, No. 2041, Feb. 9, 1934


Front Matter (4 pp.)
The Boston Meeting of the American Association for the Advancement of Science and Associated Societies, pp. 85-120
Henry B. Ward

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

Previous Issue: New Series, Vol. 79, No. 2039, Jan. 26, 1934
Next Issue: New Series, Vol. 79, No. 2041, Feb. 9, 1934



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Science, New Series, Vol. 79, No. 2041, Feb. 9, 1934


Previous Issue: New Series, Vol. 79, No. 2040, Special Issue Containing Reports of the Fifth Boston Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 2, 1934
Next Issue: New Series, Vol. 79, No. 2042, Feb. 16, 1934


Front Matter (1 p.)


The American Association for the Advancement of Science
On Poisons and Disease and Some Experiments with the Toxin of the Bacillus Tetani, pp. 121-129
John J. Abel


Organized Industrial Research, pp. 129-131
W. D. Coolidge


Obituary
Memorial to the Late Thomas William Salmon, pp. 131-132
Recent Deaths, p. 132


Scientific Events
Stratosphere Flights, p. 132
The Second Joint Expedition of Yale University and the Woods Hole Oceanographic Institution, p. 133
Award of the Gold Medal of the American Institute, p. 133
Nomination of Officers for the American Institute of Electrical Engineers, pp. 133-134
Officers of the Washington Academy of Sciences, p. 134
The Geological Society of America, pp. 134-135


Scientific Notes and News, pp. 135-138


Discussion
Nomenclature for the Isotopes of Hydrogen (Proto- and Deuto-Hydrogen) and Their Compounds, pp. 138-140
William D. Harkins
Isotopic Nomenclature, p. 140
J. B. Ficklen
Reaction to Mosquito Bites Following Treatment for Cold in Head, p. 140
G. Allen Mail
Mortality among Tropical Fish, pp. 140-141
J. I. Spira


The American Association for the Advancement of Science
The Work of the Press, pp. 141-142
Austin H. Clark


Scientific Apparatus and Laboratory Methods
Preparing and Stenciling Topogeologic Models, pp. 142-143
Edward J. Foyles
A Method for Concentrating and Fixing Free-Living Protozoa on Cover Glasses, p. 143
J. T. Baldwin


Special Articles
The Incidence of the Disease-Producing Amoeba (Endamoeba histolytica) in 1060 College freshmen and its significance, pp. 143-144
D. H. Wenrich; R. M. Stabler; J. H. Arnett


Books Received, p. 144
Science News, pp. 5a-6a

Previous Issue: New Series, Vol. 79, No. 2040, Special Issue Containing Reports of the Fifth Boston Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 2, 1934
Next Issue: New Series, Vol. 79, No. 2042, Feb. 16, 1934



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Science, New Series, Vol. 79, No. 2042, Feb. 16, 1934


Previous Issue: New Series, Vol. 79, No. 2041, Feb. 9, 1934
Next Issue: New Series, Vol. 79, No. 2043, Feb. 23, 1934


Front Matter (2 pp.)


The American Association for the Advancement of Science
The Stimulus-Neural Control of Behavior during and after Learning, pp. 145-151
Walter S. Hunter


The Biology of Heavy Water, pp. 151-153
Gilbert N. Lewis


Scientific Events
The Emergency Committee in Aid of Displaced German Scholars, pp. 153-154
Chemical Abstracts, p. 154
The American Academy of Tropical Medicine, pp. 154-155
Earl B. McKinley
Recent Deaths, pp. 155-156


Scientific Notes and News, pp. 156-159


Discussion
The Biochemistry of Anesthesia, p. 159
F. F. Nord
Naming Hydrogen Isotopes, pp. 159-160
Willis A. Boughton
The Neutron, p. 160
Arthur Bramley
Oxygen as an Accelerator in the Growth of Empusa on Flies, p. 160
Wm. A. Hiestand
The Stimulative Action of Yeast Extract in the Respiration of Rhizobium, pp. 160-161
R. H. Walker


Societies and Meetings
International Geographical Congress of 1934, pp. 161-162
Douglas Johnson; Curtis F. Marbut; W. L. G. Joerg


Scientific Apparatus and Laboratory Methods
The Demonstration of Intact Mammalian and Amphibian Nervous Systems by Maceration of Whole Animals, pp. 162-163
William S. Cornwell
The Absorption of Methylene Blue by the Nephridium of the Earthworm, pp. 163-164
Elbert C. Cole


Special Articles
Alternating Current Conductance and Direct Current Excitation of Nerve, pp. 164-165
Kenneth S. Cole
The Effects of Cigarette Smoking upon the Blood Sugar, pp. 165-166
Howard W. Haggard; Leon A. Greenberg


Books Received, p. 166
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 79, No. 2041, Feb. 9, 1934
Next Issue: New Series, Vol. 79, No. 2043, Feb. 23, 1934



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Science, New Series, Vol. 79, No. 2043, Feb. 23, 1934


Previous Issue: New Series, Vol. 79, No. 2042, Feb. 16, 1934
Next Issue: New Series, Vol. 79, No. 2044, Mar. 2, 1934


Front Matter (1 p.)


The American Association for the Advancement of Science
Ecological Segregation, pp. 167-172
A. S. Pearse


Tissue Reactions in Immunity: XIV. The Specific Reacting Capacities of Different Tissues of an Immunized Animal, pp. 172-175
Reuben L. Kahn


Scientific Events
Preservation of Records in Libraries, p. 176
The Development of the Collection of Maps at the University of Chicago, p. 176
Research Conferences on Chemical Physics, pp. 176-177
The International Congress of the Anthropological and Ethnological Sciences, pp. 177-178


Scientific Notes and News, pp. 178-181


Discussion
Scarps in Tularosa Valley, New Mexico, pp. 181-183
Sterling B. Talmage
Lightning Protection for Trees, p. 183
John B. Whitehead
Weights and Measures and the Public, pp. 183-184
J. F. McClendon
Reflections on Two Scientific News Items, p. 184
Edgar T. Wherry
Warning concerning an Impostor, p. 184
Charles P. Sigerfoos


Scientific Books
Heredity and Environment in Man, p. 185
Review author[s]: Charles B. Davenport
The Phylogeny of Apes and Man, pp. 185-186
Functional Affinities of Man, Monkeys and Apes. A Study of the Bearings of Physiology and Behaviour on the Taxonomy and Phylogeny of Lemurs, Monkeys, Apes and Man
S. Zuckerman
Review author[s]: Adolph H. Schultz


Societies and Meetings
The Indiana Academy of Science, pp. 186-187
Will E. Edington
The Colorado-Wyoming Academy of Science, p. 187
Ralph J. Gilmore


Scientific Apparatus and Laboratory Methods
A Method for Studying Soil-Plant Nutrient Relationships, p. 187
C. W. Lauritzen
A Simple Stain for Nuclear Structures in Living Amoebae and Cysts, pp. 187-188
H. E. McDaniels


Special Articles
The Isotopic Fractionation of Water by Physiological Processes, pp. 188-189
Edward W. Washburn; Edgar R. Smith
Hereditary Variations in the Blood Cytology of Normal Rabbits, pp. 189-190
Albert E. Casey; Paul D. Rosahn; C. K. Hu; Louise Pearce


Books Received, p. 190
Science News, pp. 5a-6a

Previous Issue: New Series, Vol. 79, No. 2042, Feb. 16, 1934
Next Issue: New Series, Vol. 79, No. 2044, Mar. 2, 1934



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Science, New Series, Vol. 79, No. 2044, Mar. 2, 1934


Previous Issue: New Series, Vol. 79, No. 2043, Feb. 23, 1934
Next Issue: New Series, Vol. 79, No. 2045, Mar. 9, 1934


Front Matter (3 pp.)


The American Association for the Advancement of Science
Current Progress in X-Ray Physics, pp. 191-197
David L. Webster


Scientific Events
The British Department of Scientific and Industrial Research, pp. 197-198
The John B. Pierce Laboratory of Hygiene at New Haven, Conn., p. 198
The Eighty-Seventh Meeting of the American Chemical Society, pp. 198-199
Recent Deaths, p. 199


Scientific Notes and News, pp. 200-203


Discussion
A Suggestion Regarding the Chemical Formulae of Compounds Containing Hydrogen and Oxygen Isotopes, pp. 203-204
Ross Aiken Gortner
Para-Ortho Conversion of Deuterium, p. 204
Adalbert Farkas; Ladislaus Farkas; Paul Harteck
Government Research, pp. 204-205
L. J. Cole
The Law of Multiple Proportions, pp. 205-206
Arthur Rose
The United States Botanical Garden, p. 206
F. A. Varrelman


Reports
Memorandum on the All-Union Institute of Experimental Medicine, pp. 206-208
S. S. Goldwater


Societies and Meetings
The Western Society of Naturalists, pp. 208-209
James L. Leitch
The History of Science Movement in Washington, D.C., p. 209
Morris C. Leikind


Scientific Apparatus and Laboratory Methods
A Rapid Method for the Preparation of Delafield's Haematoxylin, pp. 209-210
H. W. Neild
Soap as a Mosquito Larvicide, p. 210
Joseph M. Ginsburg
Fixing the Print of Carbon Copies, p. 210
Alden F. Roe


Special Articles
Deuterium Oxide and Aspergillus, pp. 210-211
Samuel L. Meyer
The Effect of Ferric Chloride Injections in Experimental Tuberculosis, pp. 211-213
Valy Menkin
Frogs and Opalinidae, pp. 213-214
Maynard M. Metcalf


Books Received, p. 214
Science News, pp. 10a+12a+13a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 79, No. 2043, Feb. 23, 1934
Next Issue: New Series, Vol. 79, No. 2045, Mar. 9, 1934



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Science, New Series, Vol. 79, No. 2045, Mar. 9, 1934


Previous Issue: New Series, Vol. 79, No. 2044, Mar. 2, 1934
Next Issue: New Series, Vol. 79, No. 2046, Mar. 16, 1934


Front Matter (2 pp.)


The American Association for the Advancement of Science
Genetics and Anthropology, pp. 215-221
C. H. Danforth


Obituary
Edward Wight Washburn, pp. 221-222
Lyman J. Briggs
Recent Deaths, p. 222


Scientific Events
The Work of the Godman Fund, pp. 222-223
The Arboretum of the University of Wisconsin, p. 223
The American Chemical Society, p. 224
The Einstein Institute of Physics in Jerusalem, pp. 224-225


Scientific Notes and News, pp. 225-228


Discussion
Symbols and Names for the Hydrogen Isotopes, pp. 228-229
Robert S. Mulliken
Talus Slopes of the Gaspe Peninsula, pp. 229-230
Neil A. Miner
Further Evidence on the Amazing Longevity of Bacteria, pp. 230-231
Chas. B. Lipman
A Possible Cause of Old Age, p. 231
Ingo W. D. Hackh; E. H. Westling


Reports
Research in the Yale Graduate School, pp. 231-232
Report of the Trustees of the Banting Research Foundation, pp. 232-233
Velyien E. Henderson; D. T. Fraser


Scientific Apparatus and Laboratory Methods
A Micro-Manipulator for Pure Culture and Microchemical Work, pp. 233-234
G. W. Fitz


Special Articles
Artificial Production of Radio-Active Substances, pp. 234-235
C. C. Lauritsen; H. R. Crane; W. W. Harper
The Portal of Entry and Transmission of the Virus of Poliomyelitis, pp. 235-236
Maurice Brodie; Arthur R. Elvidge


Books Received, p. 236
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 79, No. 2044, Mar. 2, 1934
Next Issue: New Series, Vol. 79, No. 2046, Mar. 16, 1934



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Science, New Series, Vol. 79, No. 2046, Mar. 16, 1934


Previous Issue: New Series, Vol. 79, No. 2045, Mar. 9, 1934
Next Issue: New Series, Vol. 79, No. 2047, Mar. 23, 1934


Front Matter (2 pp.)
The Physical Sciences, pp. 237-240
W. L. Bragg

The Supreme Intellectual Obligation, pp. 240-243
John Dewey


Scientific Events
Research in the British Post Office, p. 243
The Leverhulme Research Fellowships in Great Britain, pp. 243-244
Hunan-Yale Public Health Project in Changsha Schools, p. 244
Report on the Electrical Hazards of Aircraft, pp. 244-245
Stream Surveys in the National Parks by the U. S. Bureau of Fisheries, p. 245
The New York State Planning Board, pp. 245-246


Scientific Notes and News, pp. 246-249


Discussion
Movement of Pigment Granules in Chromatophores, p. 249
S. O. Mast
Advancing Glaciers in Alaska, pp. 249-250
H. B. Washburn
German Periodicals and American Libraries, pp. 250-252
Charles H. Brown
The United States Botanic Garden, pp. 252-253
W. J. Young
Decrease in Government Appropriations for Entomological Work, p. 253
C. L. Metcalf; E. F. Phillips


Scientific Apparatus and Laboratory Methods
An Extractor for Fluid Systems, pp. 253-254
William F. Bruce


Special Articles
St. Louis Encephalitis, pp. 254-255
Leslie T. Webster; George L. Fite
An Attempt to Isolate Vitamin A, pp. 255-256
Harry N. Holmes; Harold Cassidy; Eva Hartzler; Richard Manly
The Effect of X-Rays on Growth Substance and Plant Growth, p. 256
Folke Skoog


Books Received, p. 256
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 79, No. 2045, Mar. 9, 1934
Next Issue: New Series, Vol. 79, No. 2047, Mar. 23, 1934



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Science, New Series, Vol. 79, No. 2047, Mar. 23, 1934


Previous Issue: New Series, Vol. 79, No. 2046, Mar. 16, 1934
Next Issue: New Series, Vol. 79, No. 2048, Mar. 30, 1934


Front Matter (1 p.)


The American Association for the Advancement of Science
Trends in Social Science, pp. 257-262
William Fielding Ogburn


Obituary
Roy Lee Moodie, p. 263
Memorials, p. 263
Recent Deaths, pp. 263-264


Scientific Events
The King of the Belgians and Progressive Science, p. 264
Exploration of the Antarctic, pp. 264-265
Excavations in Palestine by Great Britain and the United States, p. 265
The Killcohook Migratory Bird Refuge, pp. 265-266
The Longevity of Chemists, p. 266


Scientific Notes and News, pp. 267-269


Discussion
Do Lightning Rods Prevent Lightning?, pp. 269-271
John Zeleny
The Case of Deuterium, pp. 271-272
C. E. Waters
The "Fat-Metabolism" Hormone and Hyperglycemia, pp. 272-273
Benjamin Harrow
The Use of Solanum Indicum in Diabetes, p. 273
Israel S. Kleiner
Exergic and Endergic Reactions, pp. 273-274
W. Blum
The Effects of Cigarette Smoking upon the Blood Sugar, p. 274
Howard W. Haggard; Leon A. Greenberg


Scientific Books
The Lower Eocene Flora of Southern England, pp. 274-275
Review author[s]: Edward W. Berry


Scientific Apparatus and Laboratory Methods
A Device for Automatically Plotting Changes in Rate of an Interrupted Signal, pp. 275-276
Robert Gesell
A Gas Thermostat, p. 277
A. J. Bailey


Special Articles
Pneumococcus Antibodies--What are They?, pp. 277-279
Lloyd D. Felton
Strophanthin. XXIX. The Dehydrogenation of Strophanthidin, pp. 279-280
Robert C. Elderfield; Walter A. Jacobs
The Synthesis of 1, 1, 2, 6-Tetramethyl-Tetralin and the Constitution of Irene, p. 280
Marston Taylor Bogert; Percy Max Apfelbaum


Books Received, p. 280
Science News, pp. 5a-6a

Previous Issue: New Series, Vol. 79, No. 2046, Mar. 16, 1934
Next Issue: New Series, Vol. 79, No. 2048, Mar. 30, 1934



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Science, New Series, Vol. 79, No. 2048, Mar. 30, 1934


Previous Issue: New Series, Vol. 79, No. 2047, Mar. 23, 1934
Next Issue: New Series, Vol. 79, No. 2049, Apr. 6, 1934


Front Matter (2 pp.)


The American Association for the Advancement of Science
Recent Trends in the Humanities, pp. 281-285
Waldo G. Leland


Scientific Events
Jubilee of the Royal Scottish Geographical Society, pp. 285-286
The 200-Inch Telescope Mirror, p. 286
Princeton Expedition to Canada, p. 287
Student Scientific Conference at Smith College, p. 287
Research Conference on Spectroscopy and Its Applications, pp. 287-288
The Toronto Meeting of the American Association of Museums, p. 288
Recent Deaths, p. 288


Scientific Notes and News, pp. 289-291


Discussion
Definitions of the Mathematical Term Group, pp. 291-292
G. A. Miller
A Name for Bio-Hydraulic Activities, pp. 292-293
Denis L. Fox
Antecedent Lightning Protection, pp. 293-294
Hugh Skilling
Pleospora Lycopersici E. and E. March., a Tomato Pathogen in the United States, p. 294
G. B. Ramsey
Diploneura Nitidula Meigen, p. 294
James A. Mullen


Special Correspondence
Anthropological Expedition to the Northwest of South Australia, p. 295
J. B. Cleland
An Expedition to Hainan, pp. 295-296
Tsen-Hwang Shaw


Scientific Books
Termites and Termite Control, pp. 296-297
Review author[s]: L. O. Howard
Mass Spectra and Isotopes, p. 297
Review author[s]: A. J. Dempster


Scientific Apparatus and Laboratory Methods
Beyond Uranium with the Magnetooptic Method of Analysis, pp. 297-298
Jacob Papish; A. C. Shuman
Continuous Phytoplankton Collection, pp. 298-299
Lyman D. Phifer


Special Articles
Electrical Excitation of the Nervous System--Introducing a New Principle: Remote Control. Preliminary Report, pp. 299-300
Richard U. Light; E. L. Chaffee
A Second Method of Contraction in the Striated Muscle of Some Vertebrate Animals, pp. 300-301
Ulric Dahlgren
A Non-Bitter Variety of Melilotus, p. 301
R. A. Brink
A New Type of Broad Base Terrace, pp. 301-302
F. L. Duley


Books Received, p. 302
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 79, No. 2047, Mar. 23, 1934
Next Issue: New Series, Vol. 79, No. 2049, Apr. 6, 1934



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Science, New Series, Vol. 79, No. 2049, Apr. 6, 1934


Previous Issue: New Series, Vol. 79, No. 2048, Mar. 30, 1934
Next Issue: New Series, Vol. 79, No. 2050, Apr. 13, 1934


Front Matter (2 pp.)
Research on Heavy Hydrogen at Princeton, pp. 303-305
Hugh S. Taylor

A Monumental Reference Work on Geography, pp. 305-311
Douglas Johnson


Scientific Events
British Industries Fair, pp. 311-312
The Floating Congress of the Pan American Medical Association, p. 312
Meeting of the New York Branch of the American Psychological Association, pp. 312-313
Delegates of the National Research Council to the Chemical Union and Congress at Madrid, p. 313
Recent Deaths, p. 313


Scientific Notes and News, pp. 313-317


Discussion
Professional Service and Codes, pp. 317-318
W. M. Grosvenor
Genetics and Colors of the Siamese Fighting Fish, Betta Splendens, pp. 318-319
H. B. Goodrich; Rowena N. Mercer
"Alfalfa Yellows", p. 319
F. W. Poos; H. L. Westover
Experiment on the Effect of Fatigue in Insolation, p. 319
David T. Griggs
Note on the Dust Storm of November 13, 1933, p. 320
Edward H. Watson


Reports
The Ella Sachs Plotz Foundation for the Advancement of Scientific Investigation, pp. 320-321


Scientific Apparatus and Laboratory Methods
A Rule for the Interpretation of Melting Point Diagrams, pp. 321-322
Roy F. Newton
An Inexpensive Efficient Relay, p. 322
Peter T. Black


Special Articles
Some Aspects of the Influence of Temperature on Copepods, pp. 323-324
R. E. Coker
Amebiasis in Reptiles, pp. 324-325
Herbert L. Ratcliffe; Quentin M. Geiman
The Separation of Carotenes by Adsorption on Magnesium Oxide, pp. 325-326
Harold H. Strain


Books Received, p. 326
Science News, pp. 10a-12a
Back Matter (4 pp.)

Previous Issue: New Series, Vol. 79, No. 2048, Mar. 30, 1934
Next Issue: New Series, Vol. 79, No. 2050, Apr. 13, 1934



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Science, New Series, Vol. 79, No. 2050, Apr. 13, 1934


Previous Issue: New Series, Vol. 79, No. 2049, Apr. 6, 1934
Next Issue: New Series, Vol. 79, No. 2051, Apr. 20, 1934


Front Matter (3 pp.)


The American Association for the Advancement of Science
Molecular Weight Analysis in Centrifugal Fields, pp. 327-332
The Svedberg


Obituary
Edward Houghton Kurth, p. 333
Thomas Bow Brighton, p. 333
A. N. Meldrum, p. 333
Recent Deaths, pp. 333-334


Scientific Events
The Rothamsted Experimental Station, p. 334
First International Congress of Electro-Radio-Biology, pp. 334-335
The Federal Forest Holdings in the East, p. 335
Exhibits in Physical Anthropology at the Field Museum, pp. 335-336
The American Type Culture Collection, p. 336
The Chicago Field Conference on Earth History, pp. 336-337


Scientific Notes and News, pp. 337-340


Discussion
Silencing the "Guns" of Seneca Lake, pp. 340-341
Herman L. Fairchild
A Code for Chemists?, pp. 341-342
H. H. Bunzell
Laboratory Fees, pp. 342-343
Oden E. Sheppard
India and American Science, pp. 343-344
Biren Bonnerjea
The Sensitization of Guinea Pigs to Poison Ivy, p. 344
Francis M. Rackemann; Frank A. Simon


Special Correspondence
The Templeton Crocker Expedition to the Solomon Islands, pp. 344-345


Quotations
William H. Welch, pp. 345-346


Scientific Apparatus and Laboratory Methods
An Improved Technique for the Artificial Feeding of the Beet Leafhopper with Notes on Its Ability to Synthesize Glycerides, pp. 346-348
R. A. Fulton; J. C. Chamberlin


Special Articles
Vasomotor Representation in the Cerebral Cortex, pp. 348-349
Margaret A. Kennard
The Presence of Nitrifying Bacteria in Deep Seas, pp. 349-350
Cornelia L. Carey; Selman A. Waksman


Books Received, p. 350
Science News, pp. 10a+12a+13a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 79, No. 2049, Apr. 6, 1934
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Science, New Series, Vol. 79, No. 2051, Apr. 20, 1934


Previous Issue: New Series, Vol. 79, No. 2050, Apr. 13, 1934
Next Issue: New Series, Vol. 79, No. 2052, Apr. 27, 1934


Front Matter (2 pp.)


The American Association for the Advancement of Science
Botanical Research, pp. 351-355
H. L. Shantz


Scientific Events
Acquisitions to the Collections of the British Museum (Natural History), pp. 355-356
Proposed Animal Buildings in the Parks of New York, p. 356
The Fishery Survey in Puerto Rico, pp. 356-357
Symposium in Theoretical Physics at the University of Michigan, p. 357
National Research Fellowships in the Biological Sciences, pp. 357-358


Scientific Notes and News, pp. 358-361


Discussion
Protective Resemblances in Insects--Experiment and Theory, pp. 361-363
W. L. McAtee
The Importance of Diameter as a Factor in Myelination, p. 363
Donald Duncan
A New Term for the Youthful Stage of Foraminiferal Shells, pp. 363-364
Lloyd G. Henbest
Some Notes on North American Crayfish, p. 364
Edwin P. Creaser
The Existence of a Monthly Sex Cycle in the Human Male, pp. 364-365
Meyer M. Harris; Erwin Brand


Reports
Milton and Clark Awards, pp. 365-366
Centralizing Bell System Researches, pp. 366-367
A Correspondent


Societies and Meetings
The New Orleans Academy of Sciences, p. 367
Robert Glenk
The Texas Entomological Society, p. 367
Virginia Society of Ornithology, p. 368
Ruskin S. Freer


Scientific Apparatus and Laboratory Methods
A Foot-Focussing Device for the Binocular Dissecting Microscope, pp. 368-369
H. D. Harrington; R. W. Poulter
A Simple and Inexpensive Respirator for Small Animals, pp. 369-370
W. E. MacFarland


Special Articles
The Effect of Heavy Water of Low Concentration on Euglena, p. 370
T. Cunliffe Barnes
Infra-Red Absorption of Water Freshly Prepared from Ice and from Steam, pp. 370-371
Joseph W. Ellis; Barthold W. Sorge
Effects of Soil Temperature on the Absorption of Water by Plants, pp. 371-372
Paul J. Kramer
Gossypol, a Cause of Discoloration in Egg Yolks, p. 372
P. J. Schaible; L. A. Moore; J. M. Moore


Science News, pp. 6a-8a

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Science, New Series, Vol. 79, No. 2052, Apr. 27, 1934


Previous Issue: New Series, Vol. 79, No. 2051, Apr. 20, 1934
Next Issue: New Series, Vol. 79, No. 2053, May 4, 1934


Front Matter (3 pp.)


The National Academy of Sciences
Abstracts of Papers Presented at the Washington Meeting, pp. 373-380


Scientific Events
The British Association of Scientific Workers, p. 380
The U. S. Bureau of Standards, p. 380
A Paleontological Research Institution at Ithaca, N. Y., pp. 380-381
G. D. Harris
The American Philosophical Society, p. 381
Recent Deaths, p. 381


Scientific Notes and News, pp. 382-385


Discussion
The Oldest Known Plant Virus Disease, p. 385
L. R. Jones
The Parasite Inducing Pearl Formation in American Freshwater Unionidae, pp. 385-386
Sewell H. Hopkins
Tobacco Smoking and Blood Sugar, p. 386
D. L. Thomson
A Peculiar Optical Phenomenon, p. 386
A. L. Fitch
The Disgrace of German Science, pp. 386-387
A Correspondent


Reports
Grants of the American Philosophical Society, pp. 387-388


Scientific Apparatus and Laboratory Methods
An Adjustable Stage for Microscopes, p. 388
Forrest W. Miller
A Simple Method for the Isolation of Glutathione from Yeast, pp. 388-389
Antoni Kozlowski


Special Articles
Methylene Blue and Gassed Plants, pp. 389-390
Carl G. Deuber
Resting Sporangia of Cladochytrium, p. 390
John S. Karling
The Presence of Phosphorus in the Sun, p. 390
Charlotte E. Moore; Harold D. Babcock; C. C. Kiess


Books Received, p. 390
Science News, pp. 8a+10a+11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 79, No. 2051, Apr. 20, 1934
Next Issue: New Series, Vol. 79, No. 2053, May 4, 1934



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Science, New Series, Vol. 79, No. 2053, May 4, 1934


Previous Issue: New Series, Vol. 79, No. 2052, Apr. 27, 1934
Next Issue: New Series, Vol. 79, No. 2054, May 11, 1934


Front Matter (3 pp.)
Address of the President of the National Academy of Sciences, pp. 391-396
W. W. Campbell


American Association for the Advancement of Science
Preliminary Announcement of the Berkeley Meeting, pp. 396-402
Henry B. Ward


Scientific Events
Carnegie Grants to British Colonial and Dominion Museums, pp. 402-403
Appropriations for Migratory-Bird Refuges, p. 403
The United States Botanic Garden, pp. 403-404
Elections of the National Academy of Sciences, p. 404


Scientific Notes and News, pp. 404-407


Discussion
Taxonomy as a Fundamental Factor in Botanical Research, pp. 407-408
A. S. Hitchcock
The Effects of X-Rays on Planaria Dorotocephala, pp. 408-409
F. G. Meserve; Mary J. Kenney
The Method of Probits--A Correction, pp. 409-410
C. I. Bliss
Who's Who in the Beri-Beri Vitamin Field, p. 410
R. R. Williams
"When the Sky Rains Stone", p. 410
H. H. Nininger
Who Pays Reparations?, p. 410
Benjamin Harrow


Reports
Gravity Stations on the Nile Delta, pp. 410-411
W. Bowie
Awards of the Guggenheim Foundation, pp. 411-412


Scientific Apparatus and Laboratory Methods
Strobophotography in Bird Singing, pp. 412-413
Milton Metfessel
The Pure Culture of Paramecium, pp. 413-414
Alford Hetherington
A Holder for Small Animals, pp. 414-415
Harro Wulf; Thomas Durfee


Special Articles
The Virucidal Action of High Frequency Sound Radiation, pp. 415-416
William N. Takahashi; Ralph J. Christensen
The Etiology of a Respiratory Disease of Chickens, pp. 416-417
O. W. Schalm; J. R. Beach
The Treatment of Deciduous Fruit Trees and Nut Trees Infected by Phymatotrichum omnivorum with Ammonium Compounds, pp. 417-418
R. B. Streets
A Genetic Study of Cerebral Action Currents, p. 418
F. T. Perkins


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

Previous Issue: New Series, Vol. 79, No. 2052, Apr. 27, 1934
Next Issue: New Series, Vol. 79, No. 2054, May 11, 1934



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Science, New Series, Vol. 79, No. 2054, May 11, 1934


Previous Issue: New Series, Vol. 79, No. 2053, May 4, 1934
Next Issue: New Series, Vol. 79, No. 2055, May 18, 1934


Front Matter (2 pp.)


The American Association for the Advancement of Science
The Glaciers of Mountain and Continent, pp. 419-422
William Herbert Hobbs


Obituary
Robert Henry Wolcott, pp. 422-423
Henry B. Ward


Scientific Events
Industry and the Research Associations of Great Britain, pp. 423-424
The New Weather Forecast Program, p. 424
Report of the Director of the Field Museum, pp. 424-425
Charter Members of the American Academy of Tropical Medicine, p. 425
Grants-In-Aid of the American Academy of Arts and Sciences, pp. 425-426


Scientific Notes and News, pp. 426-428


Discussion
The Expansion and Contraction of Chromatophores, pp. 428-429
G. H. Parker
Foliar Determination in Angiosperms, pp. 429-430
Adriance S. Foster
Multiple Births in Anthropoid Apes, pp. 430-431
Robert M. Yerkes
Permian Sharks of Wyoming and of East Greenland, p. 431
C. C. Branson
A Voracious Starfish, p. 432
Austin H. Clark
On the Courage of Scientists, p. 432
Charles D. Snyder


Scientific Apparatus and Laboratory Methods
Endospore Formation by Bacillus Subtilis in a Synthetic Medium, pp. 432-433
J. Lemoyne Roberts
A Simplified Technique for Mounting Ground Bone Sections to Show Air-Injected Lacunae and Canaliculi, p. 433
Edmond J. Farris


Special Articles
X-Ray Diffraction Studies of the Bureau of Standards Rubber Fractions, pp. 433-434
George L. Clark; W. J. Warren; W. H. Smith
Effects of Endocrine Extracts on the Early Development of the Chick, pp. 434-435
W. R. Breneman


The National Academy of Sciences. II, pp. 435-438
Books Received, p. 438
Science News, pp. 8a-9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 79, No. 2053, May 4, 1934
Next Issue: New Series, Vol. 79, No. 2055, May 18, 1934



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Science, New Series, Vol. 79, No. 2055, May 18, 1934


Previous Issue: New Series, Vol. 79, No. 2054, May 11, 1934
Next Issue: New Series, Vol. 79, No. 2056, May 25, 1934


Front Matter (1 p.)
Synthesis and Degradation of Proteins in the Laboratory and in Metabolism, pp. 439-445
Max Bergmann


Obituary
William Morris Davis, pp. 445-449
Douglas Johnson


Scientific Events
Peat Investigations at the International Congress of Soil Science, p. 449
The Rainbow Bridge-Monument Valley Expedition, pp. 449-450
The American Academy of Arts and Sciences, p. 450
The Medal Meeting of the Franklin Institute, p. 450


Scientific Notes and News, pp. 450-454


Discussion
Ionized Argon in the Spectrum of Upsilon Sagittarii, p. 454
W. W. Morgan
The Rotation of the Earth, p. 454
C. G. Abbot
The Isotopic Fractionation of Water by Physiological Processes--An Addition, pp. 454-455
Edgar R. Smith
Isotopic CO2 and O2 in Plants?, p. 455
Andrew Moldavan
The Controversy concerning the Physiological Effect of Trihydrol in Liquid Water, pp. 455-457
T. Cunliffe Barnes
A Possible Explanation of the Function of Glutathione in Developmental Growth, p. 457
Frederick S. Hammett


Scientific Apparatus and Laboratory Methods
A Method for Destroying Internal Cell Masses, pp. 457-458
Clarence W. Brown; Franklin M. Henry
A Simple Calibration Method, pp. 458-459
John E. Hearn


Special Articles
Prevention of Experimental Equine Encephalomyelitis in Guinea Pigs by Means of Virus Adsorbed on Aluminum Hydroxide, p. 459
Herald R. Cox; Peter K. Olitsky
The Therapeutic Behavior of Lucilia Sericata Meig. Larvae in Osteomyelitis Wounds, pp. 459-460
M. A. Stewart


The National Academy of Sciences. III, pp. 460-462
Books Received, p. 462
Science News, pp. 5a-6a

Previous Issue: New Series, Vol. 79, No. 2054, May 11, 1934
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Science, New Series, Vol. 79, No. 2056, May 25, 1934


Previous Issue: New Series, Vol. 79, No. 2055, May 18, 1934
Next Issue: New Series, Vol. 79, No. 2057, Jun. 1, 1934


Front Matter (2 pp.)
A Proposed Classification of the Chemical Elements with Respect to Their Functions in Plant Nutrition, pp. 463-466
R. W. Thatcher

Environmental Transformation of Bacteria, pp. 466-470
W. H. Manwaring


Obituary
George Owen Squier, pp. 470-471
A. E. Kennelly
Recent Deaths, p. 471


Scientific Events
The Aberdeen Meeting of the British Association for the Advancement of Science, pp. 471-472
The National Fisheries Planning Council, pp. 472-473
The Recent Destructive Dust Cloud, p. 473
Government Appointments for Civil Engineering Graduates from Syracuse University, pp. 473-474
The Award of Sterling Fellowships at Yale University, p. 474


Scientific Notes and News, pp. 474-477


Discussion
Spirality in the Growth of Wool Fibers, pp. 477-479
J. E. Duerden
The Time Constant, p. 479
Joseph O. Thompson
"Guns' of Seneca Lake", pp. 479-480
Albert G. Ingalls
Nutrient Media with Stable Hydrogen-Ion Concentration, pp. 480-481
Ch. Zinzadzé
A Rich Source of β-Carotene, p. 481
W. L. Brown
What is a Locust?, p. 481
T. D. A. Cockerell


The American Association for the Advancement of Science
Minutes of the Executive Committee, pp. 481-484
Henry B. Ward


The National Academy of Sciences. IV, pp. 484-485


Scientific Apparatus and Laboratory Methods
The Place of Phonophotography in the Study of Primitive Music, pp. 485-487
Carl E. Seashore; Harold Seashore


Special Articles
A Lethal Dwarf Mutation in the Rabbit with Stigmata of Endocrine Abnormality, pp. 487-488
Harry S. N. Greene; C. K. Hu; Wade H. Brown
The Biological and Chemical Nomenclature for the Carotenoids, pp. 488-490
L. S. Palmer


Books Received, p. 490
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 79, No. 2055, May 18, 1934
Next Issue: New Series, Vol. 79, No. 2057, Jun. 1, 1934



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Science, New Series, Vol. 79, No. 2057, Jun. 1, 1934


Previous Issue: New Series, Vol. 79, No. 2056, May 25, 1934
Next Issue: New Series, Vol. 79, No. 2058, Jun. 8, 1934


Front Matter (2 pp.)
The Challenge of the Future to Medical Education, pp. 491-496
Henry S. Houghton

Science and Conservation, pp. 496-497
John C. Merriam


Scientific Events
Conversazione of the Royal Society, pp. 497-498
Expedition of the Department of Tropical Research of the New York Zoological Society, p. 498
Fellowships of the National Research Council, p. 498
The Fiftieth Anniversary of the Founding of Memorial Hospital, New York City, p. 499
The General Sessions of the American Association at Berkeley, pp. 499-500


Scientific Notes and News, pp. 500-503


Discussion
The History of Chinese Medicine, pp. 503-504
J. F. McClendon
Ecology of the Prairie, p. 504
Francis Ramaley
The Automobile as a Destroyer of Wild Life, pp. 504-505
William H. Davis
Terminology of Isotopes, p. 505
Terminologist
It Happened in Argentina, p. 505
Bernhard H. Dawson
Correction of an Erroneous Statement, p. 506
Maynard M. Metcalf


Societies and Meetings
The Alabama Academy of Science, p. 506
P. H. Yancey
The Tennessee Academy of Science, pp. 506-507
John T. McGill


Scientific Apparatus and Laboratory Methods
Fishing Colonies from a Gelatin Film Culture, p. 507
Antoni Kozlowski
"Use of Sodium Diethyldithiocarbamate in the Determination of Minute Amounts of Copper", pp. 507-508
Hal W. Moseley; Arthur G. Rohwer; Margaret C. Moore


Special Articles
The Third Major Mechanical Factor in the Circulation of the Blood, pp. 508-510
Yandell Henderson; A. W. Oughterson; L. A. Greenberg; C. P. Searle
A Species and Genus of Fresh-Water Bryozoon New to North America, p. 510
Ulric Dahlgren


Books Received, p. 510
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 79, No. 2056, May 25, 1934
Next Issue: New Series, Vol. 79, No. 2058, Jun. 8, 1934



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Science, New Series, Vol. 79, No. 2058, Jun. 8, 1934


Previous Issue: New Series, Vol. 79, No. 2057, Jun. 1, 1934
Next Issue: New Series, Vol. 79, No. 2059, Jun. 15, 1934


Front Matter (3 pp.)
Charles Proteus Steinmetz and the American Institute of Electrical Engineers, pp. 511-515
Dugald C. Jackson


Obituary
Howard Ayers, p. 515
Charles Thom; C. M. Jackson
Recent Deaths, p. 516


Scientific Events
Work in Physics of the British National Laboratory, p. 516
The Dutch Elm Disease, pp. 516-517
Fourth Field Conference of Pennsylvania Geologists, pp. 517-518
Bradford Willard
Participation of American Chemists in the Ninth International Congress of Pure and Applied Chemistry, pp. 518-519
Engineering and Agriculture at the Berkeley Meeting of the American Association, p. 519


Scientific Notes and News, pp. 519-522


Discussion
The Use of Permanent Paper in Scholarly Publishing, pp. 522-523
Samuel T. Farquhar
Professional Services Vs. "Laboratory Industry", pp. 523-524
Jerome Alexander
Unusual Strokes of Lightning, p. 524
E. P. Wightman
Clockwise Rotation in Paramecium trichium, p. 524
Arthur N. Bragg
The "Guns" of Seneca Lake, pp. 524-525
G. R. Wieland


Scientific Apparatus and Laboratory Methods
Apparatus for Motor Conditioning in Cats, pp. 525-526
Elmer Culler; Glen Finch; Edward Girden
The Determination of Moisture in Unstable Products, p. 526
E. B. Holland; C. P. Jones


Special Articles
Hereditary Variations in the Gestation Period of the Rabbit, pp. 526-527
Paul D. Rosahn; Harry S. N. Greene; C. K. Hu
Relation of Carotinoid Pigments to Sexual Reproduction in Plants, p. 528
A. E. Murneek


Books Received, p. 528
Science News, pp. 8a+10a+11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 79, No. 2057, Jun. 1, 1934
Next Issue: New Series, Vol. 79, No. 2059, Jun. 15, 1934



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Science, New Series, Vol. 79, No. 2059, Jun. 15, 1934


Previous Issue: New Series, Vol. 79, No. 2058, Jun. 8, 1934
Next Issue: New Series, Vol. 79, No. 2060, Jun. 22, 1934


Front Matter (2 pp.)
Doctor William H. Welch. 1850-1934, pp. 529-533
Simon Flexner

Exiles in British Sanctuary, pp. 533-534
Lord Rutherford


Scientific Events
Joint Expedition to British India, p. 535
The American Dairy Science Association and the Geneva State Experiment Station, pp. 535-536
The California Meeting of the American Physical Society, p. 536
Recent Deaths, p. 536


Scientific Notes and News, pp. 537-539


Discussion
Skin Temperature Reactions Following Removal of the Left Cerebral Hemisphere, p. 540
Robert Zollinger; Max T. Schnitker
Insect Transmission Experiments with Herpes-Encephalitis Virus, pp. 540-541
James S. Simmons; Raymond A. Kelser; Virgil H. Cornell
An Encyclopedia of Chemical Reactions, pp. 541-542
C. A. Jacobson
The Parselenic Circle, p. 542
Harlan T. Stetson
The Cost of German Publications, p. 542
Byron A. Soule


Societies and Meetings
The Missouri Academy of Science, pp. 542-543
R. T. Dufford
The Iowa Academy of Science, pp. 543-544
J. C. Gilman
The Kansas Academy of Science, p. 544
George E. Johnson
The Pennsylvania Academy of Science, p. 544


Scientific Apparatus and Laboratory Methods
Avian Malarial Infections as Classroom Material, pp. 544-545
Reginald D. Manwell
Device for Constant Flow of Liquids, pp. 545-546
J. H. Wales


Special Articles
Latent Psittacosis and Salmonella Psittacosis Infection in South American Parrotlets and Conures, pp. 546-548
K. F. Meyer; B. Eddie
Possible Chemical Nature of Tobacco Mosaic Virus, pp. 548-549
C. G. Vinson
Soil Minerals as a Check on the Location of the Wisconsin-Illinoian Drift Boundary in North Central Ohio, pp. 549-550
George W. White


Books Received, p. 550
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 79, No. 2058, Jun. 8, 1934
Next Issue: New Series, Vol. 79, No. 2060, Jun. 22, 1934



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Science, New Series, Vol. 79, No. 2060, Jun. 22, 1934


Previous Issue: New Series, Vol. 79, No. 2059, Jun. 15, 1934
Next Issue: New Series, Vol. 79, No. 2061, Jun. 29, 1934


Front Matter (2 pp.)


The National Academy of Sciences
Presentation of Medals and Honoraria, pp. 551-556


Obituary
Carl Ewald Grunsky, p. 556
G. D. Hanna
Recent Deaths, p. 556


Scientific Events
Congress of the Anthropological and Ethnological Sciences, p. 557
The New Telescope at Greenwich Observatory, pp. 557-558
The Leon Mandel Guatemala Expedition of the Field Museum, p. 558
The Establishment of a Wild-Life Demonstration Area, pp. 558-559
The National Research Council of the Philippine Islands, p. 559


Scientific Notes and News, pp. 559-562


Discussion
The "Sinking" of Lake and River Ice, pp. 562-563
W. J. Humphreys
The Occurrence of True Sporangia in the Physoderma Disease of Corn, pp. 563-564
F. K. Sparrow
Graphic Statistics, pp. 564-565
A. F. Dufton
A Test for Heavy Water in Water from Deep Oil Wells, p. 565
Arthur F. Scott


Societies and Meetings
The Virginia Academy of Science, pp. 565-566
E. C. L. Miller
The Ohio Academy of Science, p. 566
William H. Alexander


Reports
Appropriations for Grants-In-Aid by the National Research Council, pp. 566-568
Isaiah Bowman


Scientific Apparatus and Laboratory Methods
A Newly Designed Type of Steel Case for Entomological Working Collections, pp. 568-569
James A. G. Rehn


Special Articles
Observations on Adrenalectomized, Depancreatized Cats, pp. 569-571
C. N. H. Long; F. D. W. Lukens
Microorganisms and Vitamin Production in Green Plants, pp. 571-572
Norman Ashwell Clark; B. H. Thomas
Fusarium bactridioides Sp. Nov., Associated with Cronartium, p. 572
H. W. Wollenweber


Books Received, p. 572
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 79, No. 2059, Jun. 15, 1934
Next Issue: New Series, Vol. 79, No. 2061, Jun. 29, 1934



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Science, New Series, Vol. 79, No. 2061, Jun. 29, 1934


Previous Issue: New Series, Vol. 79, No. 2060, Jun. 22, 1934
Next Issue: New Series, Vol. 80, No. 2062, Jul. 6, 1934


Front Matter (1 p.)
Some Beginnings of Specific Differentiation in Plants, pp. 573-578
M. L. Fernald

Development of Our Early Knowledge concerning Magnification, pp. 578-581
William W. Ford


Obituary
Edward M. Shepard: 1854-1934, p. 582
Paul C. Standley


Scientific Events
The Association of German Men of Science and Physicians, p. 583
Program of the National Forest Reservation Commission, pp. 583-584
Cold Spring Harbor Symposia on Quantitative Biology, pp. 584-585
Honorary Degrees at Yale University, pp. 585-586


Scientific Notes and News, pp. 586-589


Discussion
A Rare Specimen of Zea Mays Var. Saccharata, p. 589
A. T. Erwin
A Concept of Colloidal Systems Based on Probability, pp. 589-590
M. Mattikow
The Small Linear Units, pp. 590-591
Glen W. Warner
The Return of Muscular Activity after Paralysis, p. 591
Maynard M. Metcalf


Societies and Meetings
The North Carolina Academy of Science, p. 592
H. L. Blomquist
The New Hampshire Academy of Science, p. 592
George W. White


Scientific Apparatus and Laboratory Methods
A Photo-Electric Colorimeter, p. 593
Arthur Weil
A Simple Ergograph, pp. 593-594
Samuel Soskin


Special Articles
Active Immunization in Monkeys against Poliomyelitis with Germicidally Inactivated Virus, pp. 594-595
Maurice Brodie
Comparing Soil Fungicides with Special Reference to Phymato-Trichum Root Rot, pp. 595-596
Walter N. Ezekiel; J. J. Taubenhaus


Books Received, p. 596
Science News, pp. 5a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 79, No. 2060, Jun. 22, 1934
Next Issue: New Series, Vol. 80, No. 2062, Jul. 6, 1934



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Science, New Series, Vol. 80, No. 2062, Jul. 6, 1934


Previous Issue: New Series, Vol. 79, No. 2061, Jun. 29, 1934
Next Issue: New Series, Vol. 80, No. 2063, Jul. 13, 1934


Volume Information (8 pp.)
Front Matter (2 pp.)
The Continuing Progress of Cancer Research, pp. 1-4
Ward J. MacNeal

Cartesianism is Becoming Less a Dogma, pp. 5-8
Wm. A. Kepner


Obituary
Henry Titus Koenig: 1891-1934, p. 8
Alexander Silverman
Recent Deaths, pp. 8-9


Scientific Events
King George's Birthday Honors, p. 9
Princeton University Geological Expeditions, pp. 9-10
Merger of the Bureaus of Entomology and of Plant Quarantine, pp. 10-11
Appointments at the Rockefeller Institute for Medical Research, p. 11


Scientific Notes and News, pp. 11-14


Discussion
A Microorganism Carried by the Dust-Storm, pp. 14-15
M. H. Soule
Cambrian Graptolites, p. 15
Rudolf Ruedemann
The Mechanism of Methylene Blue Action on Blood, pp. 15-16
Matilda Moldenhauer Brooks
The Time Constant, p. 16
Charles R. Underhill
A Forgotten Tree Ring Record, pp. 16-17
Warren King Moorehead


Quotations
A Family of Doctors, p. 17


Scientific Apparatus and Laboratory Methods
A Head Clamp for Operations on Cats, pp. 17-18
Clyde Marshall
A Simple Method for Increasing the Amplification of the Marey Tambour, p. 18
D. F. Moorhead; H. W. Neild


Special Articles
The Problem of Stimulation Deafness as Studied by Auditory Nerve Technique, pp. 18-19
Ernest Glen Wever; Charles W. Bray; George Plant Horton
Is the High Basal Metabolic Rate in "Hyperthyroidism" Due to Thyroxine?, pp. 19-20
J.W. Cavett; Carl O. Rice; J.F. McClendon
Dissociation in Erwinia Amylovora (Burrill) Comm. S.A.B., p. 20
P. A. Ark


Books Received, p. 20
Science News, pp. 8a-9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 79, No. 2061, Jun. 29, 1934
Next Issue: New Series, Vol. 80, No. 2063, Jul. 13, 1934



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Science, New Series, Vol. 80, No. 2063, Jul. 13, 1934


Previous Issue: New Series, Vol. 80, No. 2062, Jul. 6, 1934
Next Issue: New Series, Vol. 80, No. 2064, Jul. 20, 1934


Front Matter (2 pp.)
The New Hydrogen, pp. 21-25
Rutherford of Nelson


Obituary
George Cary Comstock, pp. 25-26
Joel Stebbins


Scientific Events
International Conference on Physics, pp. 26-27
Soil Surveys of the Department of Agriculture, p. 27
The Scientific Exhibit at the Cleveland Meeting of the American Medical Association, p. 28
Memorial to Sir Walter Fletcher, pp. 28-29
Stanley Baldwin; F. G. Hopkins; D' Abernon; Mildmay of Flete; C. S. Sherrington; Alan Gregg; Dawson of Penn; H. T. Waring; C. J. Martin; T. R. Elliott; Robert Muir; Harriette Chick; G. M. Trevelyan; M. R. James; A. E. Boycott; H. H. Dale; E. Mellanby
In Honor of Professor William Herbert Hobbs, p. 29


Scientific Notes and News, pp. 30-33


Discussion
The Crisis at Buitenzorg, pp. 33-34
David Fairchild; Thomas Barbour
Chemical and Physiological Properties of Kojic Acid, pp. 34-35
Theodore E. Friedemann
Seasonal Effect of Lime on Strawberries, p. 35
A. H. Meyer
Spiraling in Trees, p. 35
E. C. L. Miller


Quotations
The New Mathematics--A Lecture by Professor Bieberbach, pp. 35-36
P. S.


Scientific Apparatus and Laboratory Methods
A Photoelectric Apparatus for Turbidity and Light Penetration Measurement, p. 37
M. M. Ellis
A Low-Price Station Indicator, p. 38
G. D. Harris


Special Articles
Light in Relation to Dormancy and Germination in Lettuce Seed, pp. 38-40
Lewis H. Flint
The Prevalence of Streptococcus bacteriophage, pp. 40-41
Alice C. Evans
Effects of Protracted Exposure to a Loud Tone, pp. 41-42
Glen Finch; Elmer Culler


Books Received, p. 42
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 80, No. 2062, Jul. 6, 1934
Next Issue: New Series, Vol. 80, No. 2064, Jul. 20, 1934



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Science, New Series, Vol. 80, No. 2064, Jul. 20, 1934


Previous Issue: New Series, Vol. 80, No. 2063, Jul. 13, 1934
Next Issue: New Series, Vol. 80, No. 2065, Jul. 27, 1934


Front Matter (2 pp.)
The Berkeley Meeting of the American Association for the Advancement of Science, pp. 43-62
Henry B. Ward


Obituary
Richard Thornton Fisher, pp. 62-63
H. H. Tryon
Recent Deaths, p. 63
Memorials, pp. 63-64


Scientific Events
The British National Physical Laboratory, p. 64
The Leverhulme Fellowships, pp. 64-65
Reorganization of the U. S. Biological Survey, p. 65
Search for Plants to Control Soil Erosion, pp. 65-66
The Cleveland Meeting of the American Chemical Society, p. 66


Scientific Notes and News, pp. 66-70


Discussion
Reforms in Chemical Publication (Documentation), pp. 70-72
Atherton Seidell
The Controversy concerning the Physiological Effect of Trihydrol in Liquid Water, pp. 72-73
Alan W. C. Menzies
Lines of Neutral Sulfur in Procyon, p. 73
F. E. Roach
Additional Triassic Dinosaur Tracks from Pennsylvania, pp. 73-74
Bradford Willard
A Source of Botanical Misinformation, p. 74
Edgar T. Wherry


Scientific Apparatus and Laboratory Methods
The Use of an Absorbent Pulpit in the Cultivation of Aerobic Organisms, p. 75
John W. Williams
An Apparatus for the Measurement of Respiratory Rate, p. 75
R. H. Landon; W. G. Brierley
A Modification of the Mudd Electroenosmosis Apparatus, p. 76
Henry Klein


Special Articles
Penetration of Gaseous Pyridine, Piperidine and Nicotine into the Bodies of Certain Insects, pp. 76-77
Charles H. Richardson; Louise H. Glover; Lewie O. Ellisor
Motor Inhibition in Amblystoma Produced by Triturus Transplants, pp. 78-79
V. C. Twitty; H. H. Johnson
Enzymes, Vitamins and the Zone of Maximum Colloidality, pp. 79-80
Jerome Alexander


Books Received, p. 80
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 80, No. 2063, Jul. 13, 1934
Next Issue: New Series, Vol. 80, No. 2065, Jul. 27, 1934



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Science, New Series, Vol. 80, No. 2065, Jul. 27, 1934


Previous Issue: New Series, Vol. 80, No. 2064, Jul. 20, 1934
Next Issue: New Series, Vol. 80, No. 2066, Aug. 3, 1934


Front Matter (1 p.)
Science and Culture, pp. 81-86
John R. Murlin

Nomenclature of the Hydrogen Isotopes and Their Compounds, pp. 86-89
E. J. Crane


Scientific Events
The Centenary of Photography, pp. 89-90
Visit of American Foresters to Germany and Austria, p. 90
Exhibit of the Patent Office at the Chicago World's Fair, pp. 90-91
The Establishment of a Forest Shelter Belt, p. 91
Report of the Chief of the Office of Experiment Stations, pp. 91-92
Summer Meeting of the Botanical Society of America at Toronto, p. 92


Scientific Notes and News, pp. 92-95


Discussion
The Pleistocene Long Valley Lake in Eastern California, pp. 95-96
Evans B. Mayo
Do Chromatophore Walls Cause Movement of Pigment Granules?, pp. 96-97
Earl H. Herrick
Pancreatectomy--A Warning, p. 97
G. C. Ring
The Tropical Rat Flea in the Interior of the United States, p. 97
Robert L. Roudabush; Elery R. Becker
University of Rochester Fiji Expedition, p. 98
J. Edward Hoffmeister; Harry S. Ladd


Scientific Apparatus and Laboratory Methods
Rational Tray Sizes for Geologic Specimens, pp. 98-99
Chester K. Wentworth
Apparatus for Studying the Effect of Increased Atmospheric Pressure upon the Developing Hen Egg, pp. 99-100
Bert Cunningham
Mariotte's Bottle, p. 100
E. L. McCarthy


Special Articles
On the Extent of the Validity of the "Rule of Shift", pp. 101-102
P. A. Levene; Alexandre Rothen; G. M. Meyer
Pseudorabies as a Contagious Disease in Swine, pp. 102-103
Richard E. Shope
Crossovers in Male Drosophila Melanogaster Induced by Heat, pp. 103-104
A. Franklin Shull; Maurice Whittinghill
Susceptibility to Poison Ivy and Poison Oak, p. 104
W. C. Spain; J. M. Newell; Miriam Meeker


Books Received, p. 104
Science News, pp. 5a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 80, No. 2064, Jul. 20, 1934
Next Issue: New Series, Vol. 80, No. 2066, Aug. 3, 1934



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Science, New Series, Vol. 80, No. 2066, Aug. 3, 1934


Previous Issue: New Series, Vol. 80, No. 2065, Jul. 27, 1934
Next Issue: New Series, Vol. 80, No. 2067, Aug. 10, 1934


Front Matter (2 pp.)
Research and Adjustment March Together, pp. 105-106
Henry A. Wallace

Work of the American Museum of Natural History, pp. 106-108
Frederick Trubee Davison


Obituary
Nathaniel Lord Britton, pp. 108-111
Henry H. Rusby
Recent Deaths, p. 111


Scientific Events
The Radcliffe Observatory, pp. 111-112
The New York Post-Graduate Medical School, p. 112
Dedication of the Mountain Lake Biological Station, pp. 112-113
Honorary Degrees at the University of Wisconsin, pp. 113-114


Scientific Notes and News, pp. 114-116


Discussion
How Some Birds Satisfy Thirst, pp. 116-117
H. A. Allard
Selenite Not a Certain Indicator of Wind Effect, pp. 117-118
Walter B. Lang
On a Whale Skeleton in the Collections of the California Academy of Sciences, p. 118
M. E. Davidson
A New Mammoth Record for Illinois, p. 118
Frank C. Baker


The Fifteenth Annual Meeting of the American Geophysical Union, pp. 119-121
Jno. A. Fleming


Scientific Apparatus and Laboratory Methods
A Simple Agitator for Submerged Respirometers, p. 121
H. Specht
A Stain for Difficult Plant Material, pp. 121-122
Palmer Stockwell
Micro Mounts, Reverse and Converse, p. 122
Arthur Paul Jacot


Special Articles
Spontaneous Encephalomyelitis of Mice--A New Virus Disease, p. 122
Max Theiler
Respiratory Types and Photoperiodism, pp. 122-123
R. H. Roberts; James E. Kraus
Linear and Dendritic Sink-Hole Patterns in Southeastern New Mexico, pp. 123-124
Frank A. Melton


Books Received, p. 124
Science News, pp. 8a-9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 80, No. 2065, Jul. 27, 1934
Next Issue: New Series, Vol. 80, No. 2067, Aug. 10, 1934



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Science, New Series, Vol. 80, No. 2067, Aug. 10, 1934


Previous Issue: New Series, Vol. 80, No. 2066, Aug. 3, 1934
Next Issue: New Series, Vol. 80, No. 2068, Aug. 17, 1934


Front Matter (2 pp.)
The Liquid State, pp. 125-133
Joel H. Hildebrand


Scientific Events
The International Council of Scientific Unions, pp. 133-134
The Protection of Scientific Property, pp. 134-135
The Record-Breaking Heat of July, p. 135
The Mineral Research Program of the Michigan College of Mining and Technology, pp. 135-136
The University of California at Los Angeles Chapter of the Society of the Sigma Xi, p. 136
E. K. Soper


Scientific Notes and News, pp. 136-139


Discussion
Transformation of Bacteria, pp. 139-140
T. D. A. Cockerell
Darwin's View of Heredity, p. 140
George M. Robertson
Terraces in the Susquehanna Valley below Harrisburg, Pennsylvania, pp. 140-141
J. Hoover Mackin
A New Horizon for the Extinct Goose, Chendytes, pp. 141-142
Loye Miller
Why Dandelions?, p. 142
Emmett Bennett
Dr. Britton's Interest in Mining and Geology, p. 142
Thomas T. Read


Scientific Apparatus and Laboratory Methods
Iodine-Potassium-Iodide, as a Fixative and Differential Stain, pp. 142-143
Harold T. Cook; Bernice Briggs
An Improved Method of Direct Smear Examination for Acid-Fast Bacilli in Sputums, pp. 143-144
Lucy Mishulow; Mildred Melman; Marie Romano
An Over-Complex Apparatus, p. 144
W. A. McCubbin


Special Articles
On a Selective Gametogenic Effect of Certain Hypophyseal Extracts, p. 144
Herbert M. Evans; Richard I. Pencharz; Miriam E. Simpson
A New Type of Fever Agent, pp. 144-146
H. G. Barbour
A Suggested Relationship between the Protoplastic Bridges and Virus Diseases in Plants, p. 146
C. J. Drake; J. N. Martin; H. D. Tate


Books Received, p. 146
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 80, No. 2066, Aug. 3, 1934
Next Issue: New Series, Vol. 80, No. 2068, Aug. 17, 1934



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Science, New Series, Vol. 80, No. 2068, Aug. 17, 1934


Previous Issue: New Series, Vol. 80, No. 2067, Aug. 10, 1934
Next Issue: New Series, Vol. 80, No. 2069, Aug. 24, 1934


Front Matter (2 pp.)
A Generation's Progress in the Study of Evolution, pp. 147-156
Edwin G. Conklin


Scientific Events
Exhibit at the Meeting of the British Medical Association, p. 156
Memorials to Patrick Manson and Ronald Ross, pp. 156-157
The Ninth International Congress of Scientific and Applied Photography, p. 157
The Propagation of Salmon in the Columbia River District, pp. 157-158
Report on Agricultural Experiment Stations for 1933, p. 158
Recent Deaths, p. 158


Scientific Notes and News, pp. 159-161


Discussion
Nuclear-Physics Symposium a Correction, pp. 161-162
M. A. Tuve
Travertine Deposits near Lexington, Virginia, pp. 162-163
Edward Steidtmann
Life History of the Gold-Banded Skipper (Rhabdoides cellus), pp. 163-164
Austin H. Clark
How Some Birds Satisfy Thirst, p. 164
Charles Macnamara


Quotations
President Roosevelt's Address at the Mayo Clinic, pp. 164-165


Scientific Apparatus and Laboratory Methods
An Easily Constructed Electro-Microcauter for Use in Cellular Biology, pp. 165-166
Ruth B. Howland; Charles W. Robertson
A Clock Device for Teaching Soil Texture, pp. 166-167
James E. Chapman


Special Articles
Coupling of Respiration and Synthesis of Phosphate Esters in Hemolyzed Blood, p. 167
J. Runnström; L. Michaelis
The Effect of Thallium on Plant Growth, pp. 167-168
E. E. Horn; Justus C. Ward; James C. Munch; F. E. Garlough
On the Duration of Some Imbibition Processes, p. 168
Basile J. Luyet


Books Received, p. 168
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 80, No. 2067, Aug. 10, 1934
Next Issue: New Series, Vol. 80, No. 2069, Aug. 24, 1934



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Science, New Series, Vol. 80, No. 2069, Aug. 24, 1934


Previous Issue: New Series, Vol. 80, No. 2068, Aug. 17, 1934
Next Issue: New Series, Vol. 80, No. 2070, Aug. 31, 1934


Front Matter (1 p.)
Reminiscences of Physics and Physicists, pp. 169-173
Joseph J. Thomson

Rock Formations of Death Valley, California, pp. 173-178
L. F. Noble


Scientific Events
The International Congress on the Anthropological and Ethnological Sciences, pp. 178-179
Data on the Drought, p. 179
Field Office for the Shelterbelt Project, p. 180
The Elm Disease Exhibit at the New York Botanical Garden, p. 180
Award of the Chandler Medal, pp. 180-181


Scientific Notes and News, pp. 181-183


Discussion
The Photomicrographic Reproduction of Documents, pp. 184-185
Atherton Seidell
The Taconic and Appalachian Orogenies in the Hudson River Region, p. 186
James F. Pepper
Cultivated Apple Chromosomes, p. 186
Muriel V. Roscoe
A Hypothetical "Sanctuary" for Ocean-Dwelling Seals, pp. 186-187
C. Hart Merriam


Special Correspondence
Expeditions of the Philadelphia Academy of Natural Sciences, pp. 187-188


Scientific Apparatus and Laboratory Methods
Photo-Electric Technique for the Counting of Microscopical Cells, pp. 188-189
Andrew Moldavan
A New Source of Illumination Adapted to Photography and Low-Power Microscopy, p. 189
Wilbur D. Courtney; Ralph Schopp
Lantern Slides on "Frosted" Gelatine, pp. 189-190
C. E. Power


Special Articles
Autocatalytic Activation of Trypsinogen in the Presence of Concentrated Ammonium or Magnesium Sulfate, p. 190
M. Kunitz; J. H. Northrop
Crystalline Progestin, pp. 190-191
W. M. Allen; O. Wintersteiner
Life Span of Platypoecilus, Xiphophorus and Their Hybrids in the Laboratory, p. 191
A. W. Bellamy
Sexual Rhythm in the Pelecypod Mollusk Teredo, p. 192
W. R. Coe


Books Received, p. 192
Science News, pp. 5a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 80, No. 2068, Aug. 17, 1934
Next Issue: New Series, Vol. 80, No. 2070, Aug. 31, 1934



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Science, New Series, Vol. 80, No. 2070, Aug. 31, 1934


Previous Issue: New Series, Vol. 80, No. 2069, Aug. 24, 1934
Next Issue: New Series, Vol. 80, No. 2071, Sep. 7, 1934


Front Matter (2 pp.)
Are There Periods in American Business Activity?, pp. 193-199
Edwin B. Wilson


Scientific Events
Receipts of the National Forests, pp. 199-200
The Elm Tree Disease in New York and New Jersey, p. 200
Meetings of the American Physical Society, p. 201
The American Chemical Society, pp. 201-202
Recent Deaths, p. 202


Scientific Notes and News, pp. 202-205


Discussion
The Discovery of an Ancient Minesota Maker of Yuma and Folsom Flints, p. 205
Albert Ernest Jenks
A Possible Dietary Predisposition to Stammering, p. 206
Knight Dunlap
Occurrence of a Phytosterol in African Oil Palm (Flaeis guineensis), p. 206
K. S. Markley; M. B. Matlack
Bacteria-Free Culture of Paramecium, pp. 206-207
John B. Loefer


Special Correspondence
The Scarritt Expeditions of the American Museum of Natural History, 1930-34, pp. 207-208
George Gaylord Simpson


Scientific Apparatus and Laboratory Methods
The Observation of Mitosis in the Living Cell in Amoeba proteus, pp. 208-209
H. W. Chalkley
An Apparatus for Colorimetric Oxidation-Reduction Studies, p. 209
Harold P. Lundgren
Copying Manuscripts on Motion Picture Film, p. 210
J. B. Ficklen


Special Articles
Deuterium Content of Natural Butane, pp. 210-211
R. D. Snow; Herrick L. Johnston
The Response of the Normal Guinea Pig to the Administration of Liver Extracts, pp. 211-212
Bernard M. Jacobson
The Anaerobic Condition of Soils in Porous Porcelain Containers, p. 212
C. B. Clevenger; L. G. Willis


Books Received, p. 212
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 80, No. 2069, Aug. 24, 1934
Next Issue: New Series, Vol. 80, No. 2071, Sep. 7, 1934



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Science, New Series, Vol. 80, No. 2071, Sep. 7, 1934


Previous Issue: New Series, Vol. 80, No. 2070, Aug. 31, 1934
Next Issue: New Series, Vol. 80, No. 2072, Sep. 14, 1934


Front Matter (2 pp.)


The British Association for the Advancement of Science
The New World-Picture of Modern Physics, pp. 213-222
James Hopwood Jeans


Scientific Events
The Sixth International Botanical Congress, pp. 222-223
Economics and the Social Sciences at the Massachusetts Institute of Technology, p. 223
The Beltsville Research Center, pp. 223-224
The American Standards Association, p. 224
The New York Meeting of the American Psychological Association, pp. 224-225


Scientific Notes and News, pp. 225-227


Discussion
Origin of Asphalts, Oil, Natural Gas and Bituminous Coal, pp. 227-228
E. Berl
The Ionization of Arginine and Histidine, p. 228
Thomas H. Jukes; Gerald E. K. Branch
Cause of Mortality of Young Grouse, pp. 228-229
C. H. D. Clarke
The Route of Infestation and the Site of Localization of Lungworms in Mollusks, p. 229
A. Hobmaier; M. Hobmaier
A Specific Contamination for the Production of Pseudo-Radioactivity, p. 229
F. C. Brown


Scientific Apparatus and Laboratory Methods
A Simple Automatic Pump, pp. 229-230
Jay Palmer


Special Articles
Toxicity of Naturally Occurring Arsenic in Foods, pp. 230-231
E. J. Coulson; Roe E. Remington; Kenneth M. Lynch
Experimental Production of Increased Intracranial Pressure, pp. 231-232
Theodore Koppányi; Philip L. Gray
A Study of the Composition of Black Concretions in Onondaga Limestone, p. 232
F. W. Schwartz; R. L. Mathiasen


Books Received, p. 232
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 80, No. 2070, Aug. 31, 1934
Next Issue: New Series, Vol. 80, No. 2072, Sep. 14, 1934



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Science, New Series, Vol. 80, No. 2072, Sep. 14, 1934


Previous Issue: New Series, Vol. 80, No. 2071, Sep. 7, 1934
Next Issue: New Series, Vol. 80, No. 2073, Sep. 21, 1934


Front Matter (2 pp.)


British Association for the Advancement of Science
Theories of Light, pp. 233-238
H. M. MacDonald


Obituary
Willard James Fisher, pp. 238-239
Memorials, p. 239
Recent Deaths, p. 239


Scientific Events
Cooperation among London Medical Schools, pp. 239-240
Cooperative Research of the Bureau of Fisheries and the University of Maryland, p. 240
Consolidation of National Forests in Arizona, pp. 240-241
The Third International Steam Table Conference, pp. 241-242
Visiting Astronomers at the Mount Wilson Observatory, p. 242


Scientific Notes and News, pp. 242-245


Discussion
Reform in the System of Scientific Publication, pp. 245-246
M. B. Visscher
Biological Variation Vs. Errors in Measurement, pp. 246-247
George W. Snedecor
Polyembryony in the Domestic Fowl, pp. 247-248
T. C. Byerly; M. W. Olsen
Some New Records of Occurrence of North American Fresh-Water Sponges, p. 248
Nathaniel Gist Gee
Swarming Beetles, pp. 248-249
J. I. Hamaker


Scientific Apparatus and Laboratory Methods
A Low Temperature Semi-Micro Still, p. 249
Charles L. Bernier
New Type Razor Holder for Rotary Microtome, pp. 249-250
G. F. Gray
A Simple Pump for Inflating Balloons, p. 250
Richard M. Sutton


Special Articles
Mosquito Transmission of Equine Encephalomyelitis, pp. 251-252
Malcolm H. Merrill; C. Wm. Lacaillade; Carl Ten Broeck
Mechanisms in the Development of an Active Resistance to the Effects of Substances Stimulating the Thyroid Gland in the Guinea Pig, pp. 252-253
Leo Loeb
Retention of Carbon Dioxide Gas in the Intercellular Atmosphere of Pears and Apples, pp. 253-254
Fisk Gerhardt; Boyce D. Ezell


Books Received, p. 254
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 80, No. 2071, Sep. 7, 1934
Next Issue: New Series, Vol. 80, No. 2073, Sep. 21, 1934



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Science, New Series, Vol. 80, No. 2073, Sep. 21, 1934


Previous Issue: New Series, Vol. 80, No. 2072, Sep. 14, 1934
Next Issue: New Series, Vol. 80, No. 2074, Sep. 28, 1934


Front Matter (2 pp.)


The British Association for the Advancement of Science
Some Aspects of Forest Biology, pp. 255-260
A. W. Borthwick


Scientific Events
The Training of Physicians in Soviet Russia, pp. 260-261
Rubber Plant Experiments, pp. 261-262
Conference on the Biology of Sex, p. 262
New York meeting of the Biological Photographic Association, pp. 262-263
Recent Deaths and Memorials, p. 263


Scientific Notes and News, pp. 263-266


Discussion
Japan Honors China, pp. 266-268
J. F. McClendon
Cytogenetic Notes on Cotton and Cotton Relatives, pp. 268-269
J. M. Webber
Toxicity of Cadmium to Chewing Insects, p. 269
Joseph M. Ginsburg
On the Incidence of Color-Blindness among Negroes, p. 269
Kenneth B. M. Crooks


Scientific Books
The Myxomycetes, pp. 270-271
The Myxomycetes
Thomas H. MacBride; G. W. Martin
Review author[s]: Charles Thom
Emergent Evolution, p. 271
The Universe and Life
H. S. Jennings
Review author[s]: T. Wingate Todd


Societies and Meetings
The Twelfth International Veterinary Congress, pp. 271-272
John R. Mohler


Scientific Apparatus and Laboratory Methods
A Melting Point Apparatus for Minute Samples, pp. 272-273
Sam Granick
Laboratory Stirrers, pp. 273-274
K. B. Humphrey


Special Articles
The Biological Effects of Thymus Extract (Hanson), pp. 274-275
L. G. Rowntree; J. H. Clark; A. M. Hanson
Isolation of the Infective Principle of Virus Diseases, pp. 275-276
William J. Robbins


Books Received, p. 276
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 80, No. 2072, Sep. 14, 1934
Next Issue: New Series, Vol. 80, No. 2074, Sep. 28, 1934



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Science, New Series, Vol. 80, No. 2074, Sep. 28, 1934


Previous Issue: New Series, Vol. 80, No. 2073, Sep. 21, 1934
Next Issue: New Series, Vol. 80, No. 2075, Oct. 5, 1934


Front Matter (2 pp.)
Relationship of Veterinary Science to Animal Breeding and Public Health--Legal Protection of the Practise of Veterinary Science, pp. 277-282
John R. Mohler


Scientific Events
Report of the British Empire Cancer Campaign, pp. 282-283
The Baruch Research Laboratory at Saratoga, p. 283
The Three Hundredth Anniversary of the Establishment of the Chemical Industries, pp. 283-284
The Science Exhibition at the Pittsburgh Meeting of the American Association for the Advancement of Science, pp. 284-285
W. A. Hamor


Scientific Notes and News, pp. 285-287


Discussion
Crest and Hernia in Fowls Due to a Single Gene without Dominance, pp. 288-289
R. A. Fisher
The Newfoundland Seal Fishery, p. 289
C. H. Townsend
Overwintering of Aplanobacter Stewarti, pp. 289-290
Charlotte Elliott; F. W. Poos
Internal Pressure in Latex System, p. 290
W. N. Bangham


Scientific Books
Crystal Structure, pp. 290-291
The Crystalline State
W. H. Bragg; W. L. Bragg
Review author[s]: P. W. Bridgman
The Progress of Biochemistry, pp. 291-292
Annual Review of Biochemistry
James Murray Luck
Review author[s]: Howard B. Lewis


Scientific Apparatus and Laboratory Methods
Rapid Staining Methods, pp. 292-294
W. E. Maneval
The Determination of CO2 Content of an Atmosphere in a Closed System, p. 294
Elizabeth M. Smyth


Special Articles
The Biological Significance of the Lesions of Multiple Sclerosis, pp. 295-296
Tracy J. Putnam
The Mucoid Phase of Streptococcus hemolyticus, pp. 296-297
Martin H. Dawson; Miriam Olmstead
An Experimental Analysis of the Cause of Population Fluctuations, pp. 297-298
Royal N. Chapman; W. Y. Whang


Books Received, p. 298
Science News, pp. 6a-8a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 80, No. 2073, Sep. 21, 1934
Next Issue: New Series, Vol. 80, No. 2075, Oct. 5, 1934



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Science, New Series, Vol. 80, No. 2075, Oct. 5, 1934


Previous Issue: New Series, Vol. 80, No. 2074, Sep. 28, 1934
Next Issue: New Series, Vol. 80, No. 2076, Oct. 12, 1934


Front Matter (2 pp.)
Scientific Ideals, pp. 299-303
Charles L. Reese

Relationship of Veterinary Science to Animal Breeding and Public Health--Legal Protection of the Practise of Veterinary Science. II, pp. 303-306
John R. Mohler


Scientific Events
The Centenary of the Edinburgh Geological Society, p. 307
The School of Forestry and Conservation at the University of Michigan, p. 307
Reorganization of the U. S. Biological Survey, p. 308
The Woods Hole Marine Biological Laboratory, pp. 308-309
Recent Deaths and Memorials, p. 309


Scientific Notes and News, pp. 309-312


Discussion
The Structure of the Chromosomes in the Salivary Glands of Drosophila, pp. 312-313
Nic. Koltzoff
The Experimental Determination of Caste Differentiation in Termites, p. 314
Gordon B. Castle
Unsaturated Petroleum Oils as Insecticides, p. 315
Walter Carter
Plant Spacing, a Major Factor in the Local Adaptation of Strawberry Varieties, p. 315
George M. Darrow
The Rôle of Fungi in the Diet of Termites, p. 316
Esther C. Hendee


Scientific Apparatus and Laboratory Methods
Physiological Media for Fresh-Water and Marine Protozoa, pp. 316-317
Amos B. K. Penn
Micro-Methods for the Detection of Proteases and Amylases, pp. 317-319
Grace E. Pickford; Frances Dorris


Special Articles
Observations on Functional Interrelationship between the Adrenal and Parathyroid Glands, pp. 319-320
J. M. Rogoff
Histological Changes in the Bone Marrow of the Dog Following Amidopyrine Administration, p. 320
D. K. Miller
Insecticidally Induced Immunity in Plants to Sucking Insects, pp. 320-321
Dwight M. DeLong
Physical Relationships between Marsh Areas and Lake Levels, pp. 321-322
G. L. Lincoln


Books Received, p. 322
Science News, pp. 10a-12a

Previous Issue: New Series, Vol. 80, No. 2074, Sep. 28, 1934
Next Issue: New Series, Vol. 80, No. 2076, Oct. 12, 1934



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Science, New Series, Vol. 80, No. 2076, Oct. 12, 1934


Previous Issue: New Series, Vol. 80, No. 2075, Oct. 5, 1934
Next Issue: New Series, Vol. 80, No. 2077, Oct. 19, 1934


Front Matter (2 pp.)
Science in the Public Press, pp. 323-330
Richard Gregory


Scientific Events
Research on Nutrition in Germany, pp. 330-331
Congress of the International Scientific Radio Union, p. 331
Opening of the New Lilly Research Laboratories, pp. 331-332
Research on the Isotopes of Hydrogen, pp. 332-333
Harold C. Urey


Scientific Notes and News, pp. 333-336


Discussion
The Landing Place of de Soto, pp. 336-337
John R. Swanton
Again "Why Dandelions?", p. 337
Guy E. Youngburg
Progressive Deafness, pp. 337-338
E. M. Josephson
The Oxidation of Carbon Monoxide Catalyzed by Nitrogen Dioxide, p. 338
R. H. Crist; O. C. Roehling


Scientific Apparatus and Laboratory Methods
A Device for Micromanipulation, pp. 338-339
Leigh Hoadley
A Constant-Rate Dropping Device for Liquids, p. 339
H. F. Pierce


Special Articles
The Action of High Frequency Sound Waves on Tobacco Mosaic Virus, pp. 339-341
W. M. Stanley
Growth of Yeast below Zero, p. 341
James A. Berry
The Vitamin d Assay of the "Reference Cod-Liver Oil", p. 342
Lawrence L. Lachat; Henry A. Halvorson


Books Received, p. 342
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 80, No. 2075, Oct. 5, 1934
Next Issue: New Series, Vol. 80, No. 2077, Oct. 19, 1934



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Science, New Series, Vol. 80, No. 2077, Oct. 19, 1934


Previous Issue: New Series, Vol. 80, No. 2076, Oct. 12, 1934
Next Issue: New Series, Vol. 80, No. 2078, Oct. 26, 1934


Front Matter (3 pp.)
Chemical Ideas in Medicine and Biology, pp. 343-349
Henry Dale

Progress in Development of the U. S. Weather Service in Line with the Recommendations of the Science Advisory Board, pp. 349-351
Willis Ray Gregg


Scientific Events
Restriction of the Number of Medical Students in France, pp. 351-352
The Proposed Migratory Bird Reserve in the Northern Sand Hills of Nebraska, p. 352
Research in Dental Medicine at Harvard University, pp. 352-353
Recent Deaths, p. 353


Scientific Notes and News, pp. 354-356


Discussion
Background of Mathematics in America, pp. 356-357
G. A. Miller
Scientific Literature, p. 357
T. D. A. Cockerell
Photodynamic Action of Methylene Blue on Plant Viruses, pp. 357-358
Jorgen M. Birkeland


Scientific Books
Relativity, Thermodynamics and Cosmology, p. 358
Relativity, Thermodynamics and Cosmology
Richard Tolman
Review author[s]: Albert Einstein
Colloidal Phenomena and Classical Theory, p. 359
Colloid Chemistry
Arthur W. Thomas
Review author[s]: John H. Northrop
The Practical Applications of Acoustics, p. 359
Applied Acoustics
Olson; Massa
Review author[s]: E. C. Wente
A Manual of the Rusts, pp. 359-361
Manual of the Rusts in United States and Canada
Joseph Charles Arthur
Review author[s]: Frank D. Kern


Scientific Apparatus and Laboratory Methods
Flexible Control of Speed and Focus for Motion Picture Cameras, p. 361
Oscar W. Richards
An Apparatus for Constant Delivery of Equal Weights of Two or More Liquids, pp. 361-362
R. H. Lambert


Special Articles
The Spiral Growth of Single Cells, pp. 362-363
E. S. Castle
Effect of Flower Production on Rate of Growth of Vegetative Shoots of Longleaf Pine, pp. 363-364
L. J. Pessin


Books Received, p. 364
Science News, pp. 5a+8a+9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 80, No. 2076, Oct. 12, 1934
Next Issue: New Series, Vol. 80, No. 2078, Oct. 26, 1934



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Science, New Series, Vol. 80, No. 2078, Oct. 26, 1934


Previous Issue: New Series, Vol. 80, No. 2077, Oct. 19, 1934
Next Issue: New Series, Vol. 80, No. 2079, Nov. 2, 1934


Front Matter (2 pp.)
The Scottish School of Geology, pp. 365-368
Frank D. Adams

Summary Statement of the Work of the National Research Council, 1933-1934, pp. 368-373
Isaiah Bowman


Obituary
Karl Frederic Kellerman, pp. 373-374
Wm. A. Taylor
Recent Deaths, p. 374


Scientific Events
Locust Control in Africa and Asia, pp. 374-375
The American Treaty on the Roerich Pact, pp. 375-376
Soil and Crop Surveys in the Tennessee Valley, p. 376
The Leonard Wood Memorial for the Eradication of Leprosy, p. 376
Work of the Rockefeller Foundation in the Medical and Natural Sciences, pp. 376-377


Scientific Notes and News, pp. 377-380


Discussion
Reform in the System of Scientific Publication, pp. 380-381
Marcus I. Goldman
The Mechanism of the Antidotal Action of Methylene Blue in Cyanide Poisoning, pp. 381-382
William Bean Wendel
Two Rattlesnakes Killed by a Cottonmouth, p. 382
Roger Conant
Diaries of Earlier Generations in the Study of Sleep, p. 382
Donald A. Laird


Scientific Apparatus and Laboratory Methods
A Kymograph Time-Interval Recorder, p. 383
George Poucher; C. P. Hickman
A Mechanism for the Continuous Circulation and Aeration of Water in Small Aquaria, pp. 383-384
A. E. Hopkins


Special Articles
Action of Dinitro Compounds on Sea Urchin Eggs, pp. 384-385
G. H. A. Clowes; M. E. Krahl
Positive Infection Trials with Elm "Wilt" Fungi, p. 385
Alan S. Peirce
An Antirachitic Derivative of Cholesterol, pp. 385-386
Lester Yoder


Books Received, p. 386
Science News, pp. 6a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 80, No. 2077, Oct. 19, 1934
Next Issue: New Series, Vol. 80, No. 2079, Nov. 2, 1934



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Science, New Series, Vol. 80, No. 2079, Nov. 2, 1934


Previous Issue: New Series, Vol. 80, No. 2078, Oct. 26, 1934
Next Issue: New Series, Vol. 80, No. 2080, Nov. 9, 1934


Front Matter (2 pp.)
Science and Prosperity, pp. 387-394
Karl T. Compton


Scientific Events
British Museum's Expedition to East Africa, p. 394
Radio Echoes, pp. 394-395
Local Health Service in Rural Areas, pp. 395-396
Edward W. Browning's Bequests for Public Welfare, p. 396
Dedication of the New Zoological Laboratory at Beltsville, Md., pp. 396-397
Recent Deaths, p. 397


Scientific Notes and News, pp. 397-401


Discussion
The Motion of Glaciers, pp. 401-403
O. D. von Engeln
On the Great Abundance of the Black Widow Spider, p. 403
Albert Milzer
Freshwater Medusae near Buffalo, p. 403
Imogene C. Robertson
Grants in Aid of Research for 1935, pp. 403-404
Henry B. Ward


Quotations
Consider the Ant, p. 404
The Birth Rate of France, pp. 404-405


Scientific Books
Life of Newton, pp. 405-406
Isaac Newton, a Biography
Louis Trenchard More
Review author[s]: W. F. Magie
The Kinetic Theory of Gases, pp. 406-407
The Kinetic Theory of Gases
Leonard Loeb
Review author[s]: I. I. Rabi
Cytology for Students, p. 407
Introduction to Cytology
L. W. Sharp
Review author[s]: Karl Sax


Scientific Apparatus and Laboratory Methods
On the Cultivation of Seven Species of Trypanosomes in Vitro, pp. 407-408
A. Packchanian
An Artificial Symbiosis, pp. 408-409
Ralph Buchsbaum; Mildred Buchsbaum
Pure Cultures of Paramecium, pp. 409-410
J. Howard Brown


Special Articles
Detailed Surveys of Submarine Canyons, pp. 410-411
Francis P. Shepard
Accessory Hearts in the Oyster, pp. 411-412
A. E. Hopkins
Is the Color of the Natural Ruby Due to Iron?, pp. 412-414
Wm. J. O'Leary; G. L. Royer; Jacob Papish
The Molecular Weight of Thyro-Globulin, p. 414
Michael Heidelberger; The Svedberg


Books Received, p. 414
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 80, No. 2078, Oct. 26, 1934
Next Issue: New Series, Vol. 80, No. 2080, Nov. 9, 1934



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Science, New Series, Vol. 80, No. 2080, Nov. 9, 1934


Previous Issue: New Series, Vol. 80, No. 2079, Nov. 2, 1934
Next Issue: New Series, Vol. 80, No. 2081, Nov. 16, 1934


Front Matter (2 pp.)
Spinors, pp. 415-419
Oswald Veblen


Obituary
Frank Lincoln Stevens, pp. 419-420
B. B. Higgins
Recent Deaths, pp. 420-421


Scientific Events
The New Building for Zoology at the University of Cambridge, p. 421
A Profile of Shoal Water Depths by Echo Sounding, pp. 421-422
Work in Progress at the Wistar Institute of Anatomy, p. 422
The Museum of Science and Industry and the Century of Progress Exposition, p. 423
The Pittsburgh Meeting of Mathematicians, pp. 423-424
Meeting of Science Teachers with the American Association for the Advancement of Science, p. 424


Scientific Notes and News, pp. 424-426


Discussion
Proposed Tectonic Map of the United States, pp. 427-428
Chester R. Longwell
"The" South and "The" North, pp. 428-429
Max F. Meyer
A Criticism of the Article "Enzymes, Vitamins and the Zone of Maximum Colloidality", p. 429
James B. Sumner


The American Association for the Advancement of Science
Minutes of the Executive Committee, pp. 429-430
Henry B. Ward


Scientific Apparatus and Laboratory Methods
Simultaneous Records of Eye-Movements and the Voice in Oral Reading, pp. 430-431
Joseph Tiffin


Special Articles
The Weight of the Negro Brain, pp. 431-434
Raymond Pearl
The Digitalis Glucosides. VIII. The Degradation of the Lactone Side Chain of Digitoxigenin, p. 434
Walter A. Jacobs; Robert C. Elderfield


Books Received, p. 434
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 80, No. 2079, Nov. 2, 1934
Next Issue: New Series, Vol. 80, No. 2081, Nov. 16, 1934



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Science, New Series, Vol. 80, No. 2081, Nov. 16, 1934


Previous Issue: New Series, Vol. 80, No. 2080, Nov. 9, 1934
Next Issue: New Series, Vol. 80, No. 2082, Nov. 23, 1934


Front Matter (2 pp.)
Efficient Surgical Service for the Whole Community, pp. 435-439
Robert B. Greenough

Some High Lights of Astronomy during the past Year, pp. 439-440
Harlow Shapley


Obituary
The Widow of Charles S. Peirce, pp. 440-441
Joseph Jastrow
Recent Deaths, p. 441


Scientific Events
Historic Scientific Instruments, p. 442
The Hall of Races of Mankind at the Field Columbian Museum, pp. 442-443
Grants in Aid of Research of the American Academy of Arts and Sciences, p. 443
Sigma Pi Sigma Convention, p. 443
The Cleveland Meeting of the National Academy of Sciences, pp. 443-444


Scientific Notes and News, pp. 444-447


Discussion
Geology and Archeology as Border Sciences, pp. 447-449
H. de Terra
Perforated Fiber-Tracheids in the Passion Flowers, pp. 449-450
Robert H. Woodworth
A Possible Relation of Vitamin E to Unrestricted Cell Division, p. 450
F. B. Adamstone
The Chemical Transmission of Nerve Impulses, p. 450
H. H. Dale


Scientific Books
Parasitism and Disease, pp. 450-451
Parasitism and Disease
Theobald Smith
Review author[s]: E. E. Tyzzer
Crystal Structure, pp. 451-452
A Study of Crystal Structure and its Applications
Wheeler P. Davey
Review author[s]: Linus Pauling
Timbers of North America, pp. 452-453
Identification of Commercial Timbers of the United States
H. P. Brown; A. J. Panshin
Identification of the Timbers of Temperate North America
Samuel J. Record
Review author[s]: Arthur Koehler


Reports
The New England Intercollegiate Geological Excursion, pp. 453-456
Lloyd W. Fisher


Scientific Apparatus and Laboratory Methods
An Electrically-Heated Slide-Ringing Device, pp. 456-457
Basil W. Parker
Preservation of Small Amphibia in Gelatin, p. 457
Frank James Gordon


Special Articles
Transmission of Influenza by a Filterable Virus, pp. 457-459
Thomas Francis
Glutamine in the Tomato Plant, pp. 459-461
Hubert Bradford Vickery; George W. Pucher; Harold E. Clark
Ovulation in the Domestic Hen, pp. 461-462
D. C. Warren; H. M. Scott


Books Received, p. 462
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 80, No. 2080, Nov. 9, 1934
Next Issue: New Series, Vol. 80, No. 2082, Nov. 23, 1934



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Science, New Series, Vol. 80, No. 2082, Nov. 23, 1934


Previous Issue: New Series, Vol. 80, No. 2081, Nov. 16, 1934
Next Issue: New Series, Vol. 80, No. 2083, Nov. 30, 1934


Front Matter (2 pp.)
Chemistry in the Service of Science, pp. 463-470
A. T. Lincoln


Obituary
Gilman A. Drew: 1868-1934, pp. 470-471
Frank R. Lillie
Recent Deaths, p. 471


Scientific Events
The Waite Agricultural Research Institute, p. 471
Elm Disease in Great Britain, pp. 471-472
Center for Polar Research at Cambridge, England, p. 472
Research in Engineering at Harvard University, pp. 472-473
The Mangarevan Expedition of the Bernice P. Bishop Museum, p. 473
The International Physiological Congress Fund Fellowships, pp. 473-474


Scientific Notes and News, pp. 474-476


Discussion
Museum Conditions in the United States, pp. 476-478
Edward J. Foyles
Blood Pressure of Typhoid Carriers, p. 478
F. C. Forsbeck
The Spectrum of Deuterium?, p. 478
Fernando Sanford
Berl on Natural Oil, pp. 478-479
John Muirhead Macfarlane


Societies and Meetings
The Second All-Soviet Mathematical Congress, pp. 479-480
S. Lefschetz
The Fifth Congress of the International Federation of Surveyors, pp. 480-481
Earl Church


Scientific Apparatus and Laboratory Methods
Butyl Alcohol and Cytological Technique, p. 481
Conway Zirkle
A Micropipette Adapter, pp. 481-482
J. A. Reyniers


Special Articles
The Energy Requirement of an Acromegalic Giant, pp. 482-483
Allan Winter Rowe
The Determination of CO2 in the Atmosphere of a Closed System, pp. 483-484
Crandall Z. Rosecrans
The Axis of the Human Foot, p. 484
Herbert Elftman; John T. Manter


Books Received, p. 484
Science News, pp. 6a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 80, No. 2081, Nov. 16, 1934
Next Issue: New Series, Vol. 80, No. 2083, Nov. 30, 1934



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Science, New Series, Vol. 80, No. 2083, Nov. 30, 1934


Previous Issue: New Series, Vol. 80, No. 2082, Nov. 23, 1934
Next Issue: New Series, Vol. 80, No. 2084, Dec. 7, 1934


Front Matter (1 p.)


American Association for the Advancement of Science
Preliminary Announcement of the Third Pittsburgh Meeting, pp. 485-494
Henry B. Ward


The New Observatory at Princeton University, pp. 494-495
Frank Schlesinger

Oceanographical Work at Bermuda of the New York Zoological Society, pp. 495-496
William Beebe


Obituary
James Mark Baldwin: 1861-1934, pp. 497-498
Joseph Jastrow
Recent Deaths, p. 498


Scientific Events
The Wayman Crow Hall of Physics at Washington University, p. 498
Awards of the American Society of Mechanical Engineers, pp. 498-499
Award of the Joseph Leidy Medal by the Academy of Natural Sciences of Philadelphia, p. 499
Awards and Officers of the Royal Society, pp. 499-500


Scientific Notes and News, pp. 500-502


Discussion
The Sequence of Infection, Allergy and Resistance as Represented by X-Rays in Human Pulmonary Tuberculosis, pp. 502-503
Henry Sewall
The Role of Damping-Off Diseases in Relation to Failures of Alfalfa Stands on Some Acid Soils, p. 503
Walter F. Buchholtz
Wanted: Halos in Mica, pp. 503-504
Alfred C. Lane


Scientific Books
The Dynamics of Population, pp. 504-505
Dynamics of Population. Social and Biological Significance of Changing Birth Rates in the United States
Frank Lorimer; Frederick Osborn
Review author[s]: Raymond Pearl


Special Articles
The Isolation of Crystalline Trypsinogen and its Conversion into Crystalline Trypsin, pp. 505-506
M. Kunitz; J. H. Northrop


Books Received, p. 506
Science News, pp. 13a-15a
Back Matter (9 pp.)

Previous Issue: New Series, Vol. 80, No. 2082, Nov. 23, 1934
Next Issue: New Series, Vol. 80, No. 2084, Dec. 7, 1934



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Science, New Series, Vol. 80, No. 2084, Dec. 7, 1934


Previous Issue: New Series, Vol. 80, No. 2083, Nov. 30, 1934
Next Issue: New Series, Vol. 80, No. 2085, Dec. 14, 1934


Front Matter (4 pp.)
Planning the Land for the Future, pp. 507-512
L. Dudley Stamp

Element 91, pp. 512-516
Aristid V. Grosse


Obituary
Bailey Kelly Ashford, pp. 516-518
George W. Bachman
Philipp Fischelis, p. 518
A Correspondent
Memorials, pp. 518-519
Recent Deaths, p. 519


Scientific Events
The "Medical City" of the Soviet Union, p. 519
A National Inventory of Land Productivity, pp. 519-520
Motion Pictures at the Massachusetts Institute of Technology, p. 520
Photographic Telescope for the Lick Observatory, pp. 520-521
Grants for Research of the Virginia Academy of Science, p. 521
E. C. L. Miller
Grants for Research of the Geological Society of America, pp. 521-522


Scientific Notes and News, pp. 522-526


Discussion
The Distribution of Funds for Research, p. 526
Karl T. Compton
The Motion of Glaciers, pp. 526-527
R. T. Chamberlin
A Tropical Fish Cross, pp. 527-528
Guy C. Mallett; J. T. Nichols
New Distributional Record for the Medusa craspedacusta, p. 528
Elmer P. Cheatum


Societies and Meetings
Summer Meeting of the American Mathematical Society, pp. 528-529
J. R. Kline
Dental Conference at Yale University, pp. 529-530


Scientific Apparatus and Laboratory Methods
Lithotyping in Miniature as a Means of Scientific Publication, p. 530
Charles C. Peters
Attaching Refractory Paraffine Sections to the Glass Slip, pp. 530-531
Edward D. Crabb


Special Articles
Lake Vegetation as a Possible Source of Forage, pp. 531-533
Ross Aiken Gortner
The Structure of the Cardiac Aglucones, pp. 533-534
Walter A. Jacobs; Robert C. Elderfield


Books Received, p. 534
Science News, pp. 10a+12a+14a

Previous Issue: New Series, Vol. 80, No. 2083, Nov. 30, 1934
Next Issue: New Series, Vol. 80, No. 2085, Dec. 14, 1934



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Science, New Series, Vol. 80, No. 2085, Dec. 14, 1934


Previous Issue: New Series, Vol. 80, No. 2084, Dec. 7, 1934
Next Issue: New Series, Vol. 80, No. 2086, Dec. 21, 1934


Front Matter (3 pp.)


The National Academy of Sciences
Address of the President, pp. 535-537
W. W. Campbell
Presentation of the Mary Clark Thompson Medal, pp. 537-539
David White
Variation and Evolution among the Stars, pp. 539-540
Harlow Shapley
Abstracts of Papers Presented at the Autumn Meeting of the National Academy of Sciences, pp. 540-552


Scientific Events
The Range of the Japanese Beetle, pp. 552-553
Relations of the University of California with Public and Private Business, p. 553
The Yale School of Medicine, p. 553
The International Commission on Illumination, pp. 553-554
Grants for Research at Wesleyan University, p. 554
Comstock Hall at Cornell University, pp. 554-555
Recent Deaths, p. 555


Scientific Notes and News, pp. 555-558


Discussion
Balanced Diets, Net Energy Values and Specific Dynamic Effects, pp. 558-561
H. H. Mitchell
A Color Test for Vitamin C, p. 561
Joseph H. Roe
Italian Work on Liver Therapy, p. 561
Hyman I. Goldstein


Scientific Books
Geological Text-Books, pp. 562-563
Geologic Structures
Bailey; Robin Willis
Historical Geology
Raymond C. Moore
Review author[s]: Marland Billings; Walter H. Bucher


Scientific Apparatus and Laboratory Methods
A Device for Water Circulation, pp. 563-564
Arthur B. Burch; Richard M. Eakin
Improvement of Paraffin Sections by Immersion of Embedded Tissues in Water, pp. 564-565
Elizabeth Chalmers Cutuly; Eugene Cutuly


Special Articles
Monocytes as an Indicator of Certain States of Blood Serum, pp. 565-566
Alexis Carrel
Temporary Prevention by Chemical Means of Intranasal Infection of Mice with Equine Encephalomy-Elitis Virus, pp. 566-567
Peter K. Olitsky; Herald R. Cox
X-Ray Diffraction Studies on Nerve, pp. 567-568
Francis O. Schmitt; George L. Clark; J. N. Mrgudich


Books Received, p. 568
Science News, pp. 8a+10a+11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 80, No. 2084, Dec. 7, 1934
Next Issue: New Series, Vol. 80, No. 2086, Dec. 21, 1934



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Science, New Series, Vol. 80, No. 2086, Dec. 21, 1934


Previous Issue: New Series, Vol. 80, No. 2085, Dec. 14, 1934
Next Issue: New Series, Vol. 80, No. 2087, Dec. 28, 1934


Front Matter (3 pp.)
Environments, pp. 569-576
Burton E. Livingston

Local Branches of the American Association for the Advancement of Science, pp. 576-578
J. McKeen Cattell


Obituary
Theobald Smith, pp. 579-580
Charles R. Stockard
Recent Deaths, p. 580


Scientific Events
Bird Sanctuary in New York City, p. 580
E. D. Merrill
Ornithological Expedition from Cornell University, pp. 580-581
Exhibition and Publications at the Carnegie Institution of Washington, p. 581
The Annual Meeting of the American Physical Society and the Section of Physics, pp. 581-582
Work of the Science Advisory Board, pp. 582-583


Scientific Notes and News, pp. 583-586


Discussion
Misconceptions Relative to the Mineral Composition of Plants, p. 587
Walter Thomas
The Acid-Base Equilibrium in Sea Water, pp. 587-588
Laurence Irving
Host Responses to Haustorial Invasion of Cuscuta Species, p. 588
H. L. Dean
Bohemium--An Obituary, pp. 588-589
Max Speter


Scientific Books
A History of French Scientific Societies, pp. 589-590
Scientific Organizations in Seventeenth Century France (1620-1680)
Harcourt Brown
Review author[s]: Charles A. Kofoid
Theoretical Physics, p. 590
Introduction to Theoretical Physics
J. C. Slater; N. H. Frank
Review author[s]: Leigh Page


Reports
The Second Annual Tri-States Geological Field Conference of the Upper Mississippi Valley, pp. 591-592
W. H. Twenhofel


Scientific Apparatus and Laboratory Methods
A Physiological Stroboscope, p. 592
Leo A. Kallen; H. S. Polin
Dissection as a Method of Embryological Study, p. 592
J. A. Long
The Development of the Principal Arterial Vessels in the Rat from 11 to 16 1/2 Days, pp. 592-593
Mary Sanford Leitch
The Removal of Fluorides from Water by Sand Filtration, p. 593
S. P. Kramer


Special Articles
Rare Gases Not Essential to Life, pp. 593-594
Alvan L. Barach
Chromosome Structure in the Salivary Glands of Sciara, pp. 595-596
C. W. Metz; E. H. Gay
Demonstration of the Existence of Two Forms of Vitamin D in Fish Liver Oils, p. 596
Charles E. Bills; O. N. Massengale; Miriam Imboden


Books Received, p. 596
Science News, pp. 6a+8a+9a
Back Matter (3 pp.)

Previous Issue: New Series, Vol. 80, No. 2085, Dec. 14, 1934
Next Issue: New Series, Vol. 80, No. 2087, Dec. 28, 1934



©2000-2007 JSTOR

Science, New Series, Vol. 80, No. 2087, Dec. 28, 1934


Previous Issue: New Series, Vol. 80, No. 2086, Dec. 21, 1934
Next Issue: New Series, Vol. 81, No. 2088, Jan. 4, 1935


Front Matter (4 pp.)
Some Responsibilities of Science with Relation to Government, pp. 597-601
John C. Merriam

The Dual Principles of Evolution, pp. 601-605
Henry Fairfield Osborn

The Measurement of Personality, pp. 605-608
Lewis M. Terman


Obituary
Sir Horace Lamb, pp. 608-609
Recent Deaths, p. 609


Scientific Events
Symposia on Distillation at the Massachusetts Institute of Technology, p. 609
Dedication of the Washington, North Carolina, Field Museum, pp. 609-610
The Twenty-Fifth Anniversary of the New York Neurological Institute, p. 610
Award of the William H. Nichols Medal, pp. 610-611
The Edison Medal Award, p. 611


Scientific Notes and News, pp. 612-614


Discussion
A Photochemical Aspect of Nitrate Assimilation in Plants, pp. 615-616
W. E. Tottingham; E. J. Lease
Occurrence of Uniovular Twins in Multiple Births, p. 616
C. V. Green
A Blue Moon, p. 616
Perez Simmons


Scientific Books
A Treatise on Diffraction, p. 617
The Diffraction of Light, X-rays and Material Particles
Charles F. Meyer
Review author[s]: L. H. Germer
Books on Popular Astronomy, pp. 617-618
Leaflets
Dix Leçons d'Astronomie
E. Esclangon
When the Stars Come Out
Robert H. Baker
Handbook of the Heavens
H. J. Bernhard
Review author[s]: Frank Schlesinger
Timbers of North America, pp. 618-619
Identification of the Timbers of Temperate North America
Samuel J. Record
Review author[s]: R. H. Wetmore


Scientific Apparatus and Laboratory Methods
Water-Cooled Resistors, pp. 619-620
Edward M. Thorndike
Glass Blowers' Holder for Large Flasks, p. 620
Arthur F. Scott


Special Articles
The Origin of Pigment Cells in Amphibia, pp. 620-621
Graham P. DuShane
Hyperimmune Antipoliomyelitic Horse Serum, pp. 621-622
B. Howitt


Books Received, p. 622
Science News, pp. 10a+12a+14a

Previous Issue: New Series, Vol. 80, No. 2086, Dec. 21, 1934
Next Issue: New Series, Vol. 81, No. 2088, Jan. 4, 1935



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