Previous Issue: New Series, Vol. 50, No. 1304, Dec. 26, 1919
Next Issue: New Series, Vol. 51, No. 1306, Jan. 9, 1920
Volume Information (7 pp.)
Front Matter (1 p.)
The American Association for the Advancement of Science
- The Evolution of Botanical Research, pp. 1-8
- John M. Coulter
Time, Space, and Gravitation, pp. 8-10
- Albert Einstein
Scientific Events
- The Annual Report of the Director of the Bureau of Standards, p. 10
- Needs of the Coast and Geodetic Survey, pp. 10-11
- The Royal Medals of the Royal Society, p. 11
- Mr. Rockefeller's Gifts, pp. 11-13
Scientific Notes and News, pp. 13-14
University and Educational News, p. 14
Discussion and Correspondence
- Thread Moulds and Bacteria in the Devonian, pp. 14-15
- Roy L. Moodie
- Vibration Rate of the Tail of a Rattlesnake, pp. 15-16
- Mabel C. Williams
- A Ticket to St. Louis, pp. 16-17
- Schoolmaster
Special Articles
- The Protective Influence of Blood Serum on the Experimental Cell-Fibrin Tissue of Limulus, pp. 17-18
- Leo Loeb
- A Preliminary Note on Soil Acidity, pp. 18-19
- O. B. Winter
Alabama Meeting of the Association of American State Geologists, pp. 19-20
- Thomas L. Watson
The American Chemical Society, pp. 20-22
- Charles L. Parsons
Back Matter (1 p.)
Previous Issue: New Series, Vol. 50, No. 1304, Dec. 26, 1919
Next Issue: New Series, Vol. 51, No. 1306, Jan. 9, 1920
Previous Issue: New Series, Vol. 51, No. 1305, Jan. 2, 1920
Next Issue: New Series, Vol. 51, No. 1307, Jan. 16, 1920
Front Matter (1 p.)
The American Association for the Advancement of Science
- The Untilled Fields of Public Health, pp. 23-33
- C.-E. A. Winslow
- The Organization of Research, pp. 33-38
- Henry Prentiss Armsby
Scientific Events
- Conference of British Research Associations, p. 38
- The Medical Strike in Spain, pp. 38-39
- Resolutions of the Anthropological Society of Washington, p. 39
- Biological Surveys of States by the United States Department of Agriculture during 1919, p. 40
Scientific Notes and News, pp. 40-43
University and Educational News, pp. 43-44
Discussion and Correspondence
- A Splendid Service, pp. 44-45
- J. M. C.
- Weight of Body Moving Along Equator, pp. 45-46
- Edward V. Huntington
- An Odd Problem in Mechanics, p. 46
- Carl Hering
Quotations
- Science and the New Era Printing Company, pp. 46-47
Scientific Books
- ----------------, pp. 47-48
- Fossil Plants
- A. C. Seward
- Review author[s]: Edward W. Berry
The American Association for the Advancement of Science
- Report of the St. Louis Meeting, pp. 48-50
- George T. Moore
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1305, Jan. 2, 1920
Next Issue: New Series, Vol. 51, No. 1307, Jan. 16, 1920
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Next Issue: New Series, Vol. 51, No. 1308, Jan. 23, 1920
Front Matter (1 p.)
The American Association for the Advancement of Science
- Recent Advances in Dynamics, pp. 51-55
- George D. Birkhoff
Sir William Osler (1849-1919), pp. 55-58
- F. H. Garrison
Scientific Events
- A Botanic School in Regent's Park, p. 58
- The Attitude of German Physicians Towards Inhuman Action, pp. 58-59
- Conference on Waste of Natural Gas, pp. 59-60
- Scientific Lectures, p. 60
Scientific Notes and News, pp. 60-62
University and Educational News, p. 62
Discussion and Correspondence
- Musical Sands, pp. 62-64
- H. L. Fairchild
- More on Singing Sands, p. 64
- Elmer O. Fippin
- The Initial Course in Biology, pp. 64-65
- Yandell Henderson
Scientific Books
- ----------------, pp. 65-66
- The Fauna of the Clyde Sea Area
- James Chumley
- Review author[s]: Charles A. Kofoid
The Ecological Society and Its Opportunity, pp. 66-68
- Barrington Moore
The Canadian Branch of the American Phytopathological Society, pp. 68-69
The American Chemical Society, pp. 69-72
- Charles L. Parsons
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1306, Jan. 9, 1920
Next Issue: New Series, Vol. 51, No. 1308, Jan. 23, 1920
Previous Issue: New Series, Vol. 51, No. 1307, Jan. 16, 1920
Next Issue: New Series, Vol. 51, No. 1309, Jan. 30, 1920
Front Matter (1 p.)
Whitman's Work on the Evolution of the Group of Pigeons, pp. 73-80
- T. H. Morgan
A Paleontologic Revival at Yale University, pp. 80-81
- Charles Schuchert
William Gilson Farlow, p. 82
Scientific Events
- Research on Rubber Cultivation, pp. 82-83
- Experiment Stations of the Bureau of Mines, p. 83
- Grants for Research of the American Association for the Advancement of Science, pp. 83-84
- Joel Stebbins
Scientific Notes and News, pp. 84-85
University and Educational News, p. 85
Discussion and Correspondence
- The Polydogmata of the Physicist, pp. 85-86
- G. W. Stewart
- Totem Poles for Museums, pp. 86-87
- Harlan I. Smith
- To Kill Cats for Laboratory Use, p. 87
- Horace Gunthorp
- Ants and Scientists, pp. 87-88
- Albert Mann
Quotations
Scientific Books
- ----------------, pp. 88-89
- Geodesy, Including Astronomic Observations, Gravity Measurements and Method of Least Squares
- George L. Hosmer
- Review author[s]: John F. Hayford
Special Articles
- Concerning Application of the Probable Error in Cases of Extremely Asymmetrical Frequency Curves, pp. 89-91
- Ellis L. Michael
The American Mathematical Society, pp. 91-92
- F. N. Cole
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1307, Jan. 16, 1920
Next Issue: New Series, Vol. 51, No. 1309, Jan. 30, 1920
Previous Issue: New Series, Vol. 51, No. 1308, Jan. 23, 1920
Next Issue: New Series, Vol. 51, No. 1310, Feb. 6, 1920
Front Matter (1 p.)
The American Association for the Advancement of Science
- The Message of the Biologist, pp. 93-102
- William Patten
On Nipher's ``Gravitational'' Experiment and the Anomalies of the Moon's Motion, pp. 102-105
- F. W. Very
Frank Perkins Whitman, pp. 105-106
Horatio C. Wood, pp. 106-107
Scientific Events
- Water-Power and Dartmoor, pp. 107-108
- Medical Education, pp. 108-109
- Scientific Lectures, p. 109
- The Illinois Academy of Sciences, pp. 109-110
- Gift of the Carnegie Corporation to the National Academy of Sciences and the National Research Council, p. 110
Scientific Notes and News, pp. 110-112
University and Educational News, pp. 112-113
Discussion and Correspondence
- Official Field Crop Inspection, pp. 113-114
- Frank A. Spragg
- Science and Politics, p. 115
- T. D. A. Cockerell
Quotations
Scientific Books
- ----------------, pp. 116-118
- Review author[s]: William A. Noyes
Special Articles
- Drought and the Root-System of Eucalyptus, pp. 118-120
- James McMurphy; George J. Peirce
The Mathematical Association of America, p. 120
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1308, Jan. 23, 1920
Next Issue: New Series, Vol. 51, No. 1310, Feb. 6, 1920
Previous Issue: New Series, Vol. 51, No. 1309, Jan. 30, 1920
Next Issue: New Series, Vol. 51, No. 1311, Feb. 13, 1920
Front Matter (1 p.)
Botanical Achievement, pp. 121-131
- William Trelease
The Biochemist on the Hospital Staff, pp. 131-133
- Frederick S. Hammett
Charles Buckman Goring, pp. 133-134
- J. Arthur Harris
Scientific Events
- The Department of Scientific and Industrial Research of Great Britain, pp. 134-135
- Natural Gas Conference, pp. 135-136
- The Steinhart Aquarium, p. 136
- Resignation of Dean Baker of the New York State College of Forestry, p. 136
Scientific Notes and News, pp. 136-139
University and Educational News, pp. 139-140
Discussion and Correspondence
- Unreliable Experimental Methods of Determining the Toxicity of Alkali Salts, pp. 140-141
- F. B. Headley
- On High-Altitude Research, pp. 141-142
- Robert H. Goddard
Scientific Books
- ----------------, pp. 142-143
- Studies on the Variation, Distribution, and Evolution of the Genus Partula. The Species Inhabiting Tahiti
- Henry Edward Crampton
- Review author[s]: A. G. M.
Gravity and Aerostatic Pressure on Fast Ships and Airplanes, pp. 144-145
- Alexander McAdie
State Rewards for Medical Discoveries, pp. 145-146
Special Articles
- A Pocono Brachiopod Fauna, pp. 146-147
- W. Armstrong Price
The American Association for the Advancement of Science
- Section F--Zoology, p. 147
- H. V. Neal
The Paleontological Society of America, p. 148
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1309, Jan. 30, 1920
Next Issue: New Series, Vol. 51, No. 1311, Feb. 13, 1920
Previous Issue: New Series, Vol. 51, No. 1310, Feb. 6, 1920
Next Issue: New Series, Vol. 51, No. 1312, Feb. 20, 1920
Front Matter (1 p.)
Cooperation in Research, pp. 149-155
- George Ellery Hale
General Chemistry and Its Relation to the Distribution of Students' Supplies in the Laboratory, pp. 155-159
- W. L. Estabrooke
Herbert Spencer Woods, pp. 159-160
- Lewis William Fetzer
Scientific Events
- The Lister Memorial Institute in Edinburgh, pp. 160-161
- A Journal of Ecology, p. 161
- Public Lectures of the California Academy of Sciences, p. 161
- Deaths from Influenza and Pneumonia, p. 162
- Gifts to the National Research Council, pp. 162-163
Scientific Notes and News, pp. 163-165
University and Educational News, pp. 165-166
Discussion and Correspondence
- Further History of the Calculus, pp. 166-167
- Arthur S. Hathaway
Scientific Books
- Report of the Canadian Arctic Expedition, 1913-18, pp. 167-169
The American Society of Naturalists, pp. 169-171
- Bradley M. Davis
The American Physical Society, pp. 171-172
- Dayton C. Miller
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1310, Feb. 6, 1920
Next Issue: New Series, Vol. 51, No. 1312, Feb. 20, 1920
Previous Issue: New Series, Vol. 51, No. 1311, Feb. 13, 1920
Next Issue: New Series, Vol. 51, No. 1313, Feb. 27, 1920
Front Matter (1 p.)
The Functions and Ideals of a National Geological Survey, pp. 173-180
- F. L. Ransome
George Macloskie, pp. 180-181
- W. M. Rankin
Scientific Events
- The California Institute of Technology, pp. 181-182
- The Annual Meeting of the Board of Trustees of the American Museum of Natural History, pp. 182-184
- New York Meeting of the American Institute of Mining and Metallurgical Engineers, p. 184
- Resolutions on the Death of Sir William Osler, pp. 184-185
- C. H. Bunting; Henry A. Christian; A. S. Loevenhart
Scientific Notes and News, pp. 185-187
University and Educational News, p. 187
Discussion and Correspondence
- Blood-Inhabiting Protozoa for Class Use, pp. 187-188
- R. W. Hegner
- Horizontal Rainbows, p. 188
- Chancey Juday
- Chemistry Applied to Commerce, pp. 188-190
- Williams Haynes
Scientific Books
- ----------------, p. 190
- The Physical Chemistry of the Metals
- Rudolph Schenck
- Review author[s]: H. F.
Special Articles
- The Developmental Origin of the Notochord, pp. 190-193
- B. F. Kingsbury
The Conference at Cleveland on the History of Science, pp. 193-194
- Lynn Thorndike
The American Association for the Advancement of Science
- Financial Report of the Permanent Secretary, pp. 194-195
- Report of the Treasurer, pp. 195-196
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1311, Feb. 13, 1920
Next Issue: New Series, Vol. 51, No. 1313, Feb. 27, 1920
Previous Issue: New Series, Vol. 51, No. 1312, Feb. 20, 1920
Next Issue: New Series, Vol. 51, No. 1314, Mar. 5, 1920
Front Matter (1 p.)
The American Association for the Advancement of Science
- On the Relations of Anthropology and Psychology, pp. 199-201
- A. Hrdlička
The Functions and Ideals of a National Geological Survey. II, pp. 201-207
- F. L. Ransome
David S. Pratt, p. 207
- W.A.H.
Scientific Events
- The Bonaparte and Loutreuil Foundations of the Paris Academy of Sciences, p. 208
- Award of the Nobel Prize to Professor Haber, pp. 208-209
- Dye Section of the American Chemical Society, p. 209
- R. Norris Shreve
Scientific Notes and News, pp. 209-211
University and Educational News, p. 211
Discussion and Correspondence
- A Proposed Method for Carrying Triangulation across Wide Gaps, pp. 211-213
- H. L. Cooke; Henry Norris Russell
Two New Base Maps of the United States, pp. 213-214
Special Articles
- Substitutes for Phenolphthalein and Methyl Orange in the Titration of Fixed and Half-Bound Co2, p. 214
- F. M. Scales
The American Society of Zoologists, pp. 214-219
- W. C. Allee
The Mineralogical Society of America, pp. 219-220
- Herbert P. Whitlock
The American Association for the Advancement of Science
- Section A--Mathematics and Astronomy, p. 220
- F. R. Moulton
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1312, Feb. 20, 1920
Next Issue: New Series, Vol. 51, No. 1314, Mar. 5, 1920
Previous Issue: New Series, Vol. 51, No. 1313, Feb. 27, 1920
Next Issue: New Series, Vol. 51, No. 1315, Mar. 12, 1920
Front Matter (1 p.)
American Association for the Advancement of Science
- Some Aspects of Physics in War and Peace, pp. 221-233
- Gordon F. Hull
Board of Surveys and Maps of the Federal Government, pp. 233-235
- William Bowie
The Cinchona Tropical Botanical Station Again Available, pp. 235-236
- Duncan S. Johnson
Entomology in the United States National Museum, pp. 236-237
Scientific Events
- Manganese in Costa Rica and Panama, pp. 237-238
- The Cambridge Natural Science Club, pp. 238-239
- Fellowship of the New Zealand Institute, p. 239
Scientific Notes and News, pp. 239-242
University and Educational News, pp. 242-243
Discussion and Correspondence
- Mathematics at the University of Strasbourg, p. 243
- Edwin Bidwell Wilson
- Professor Pawlow, pp. 243-244
- Francis G. Benedict
- Anopheles Quadrimaculatus and Anopheles Punctipennis in Salt Water, pp. 244-245
- F. E. Chidester
- A Paraffine Ruler for Drawing Curves, p. 245
- D. F. Jones
The Handwriting on the Walls of Universities, pp. 245-246
Special Articles
- Two Destructive Rusts Ready to Invade the United States, pp. 246-247
- J. C. Arthur
- The Fixation of Free Nitrogen by Green Plants, pp. 247-248
- F. B. Wann
American Physiological Society, pp. 248-252
- Chas. W. Greene
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1313, Feb. 27, 1920
Next Issue: New Series, Vol. 51, No. 1315, Mar. 12, 1920
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Next Issue: New Series, Vol. 51, No. 1316, Mar. 19, 1920
Front Matter (1 p.)
Einstein's Law of Gravitation, pp. 253-261
- J. S. Ames
Learned Societies, Old and New, pp. 261-264
- P. A. Levene
A Bust of the Late Professor E. D. Cope, pp. 264-265
- Philip P. Calvert
Scientific Events
- The Henry Phipps Institute, p. 265
- The Award of the Boyle Medal, p. 266
- A. E. Waller
- In Honor of William H. Welch, pp. 266-267
Scientific Notes and News, pp. 267-270
University and Educational News, pp. 270-271
Discussion and Correspondence
- An Odd Problem in Mechanics, pp. 271-272
- Walter D. Lambert
Quotations
- Federations of Brain Workers, pp. 272-273
Scientific Books
- ----------------, p. 273
- The Productivity of Invertebrate Fish Food on the Bottom of Oneida Lake, with Special Reference to Mollusks
- Frank Collins Baker
- Review author[s]: Chancey Juday
Special Articles
- The Antiscorbutic Property of Dehydrated Meat, pp. 273-275
- Maurice H. Givens; Harry B. McClugage
The American Meteorological Society, pp. 275-276
- Charles F. Brooks
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1314, Mar. 5, 1920
Next Issue: New Series, Vol. 51, No. 1316, Mar. 19, 1920
Previous Issue: New Series, Vol. 51, No. 1315, Mar. 12, 1920
Next Issue: New Series, Vol. 51, No. 1317, Mar. 26, 1920
Front Matter (1 p.)
Constructive Scientific Research by Cooperation, pp. 277-283
- Burton E. Livingston
Suggestions for Ecologic Investigations in Vertebrate Zoology, pp. 283-287
- Walter P. Taylor
The Attainment of High Levels in the Atmosphere, pp. 287-289
- Alexander McAdie
The Separation of the Element Chlorine into Chlorine and Meta-Chlorine, pp. 289-291
- William D. Harkins
Wilhelm Pfeffer, pp. 291-292
- G. J. P.
Scientific Events
- The Organization of Scientific Work in India, pp. 292-293
- Portland Cement in 1919, p. 293
- The Investigation of Fatigue Phenomena in Metals, pp. 293-294
Scientific Notes and News, pp. 294-295
University and Educational News, pp. 295-296
Discussion and Correspondence
- Ionization and Radiation, p. 296
- H. M. Dadourian
- How Did Darwin Work?, pp. 296-297
- T. D. A. Cockerell
- A Convenient Demonstration Mounting for Jellyfishes, p. 297
- N. M. Grier
Organization of the American Geophysical Union, pp. 297-299
- Harry O. Wood
Special Articles
- Is Unpalatable Food Properly Digested?, p. 299
- Ralph C. Holder; Clarence A. Smith; Philip B. Hawk
The Western Society of Naturalists, pp. 299-300
- John F. Bovard
The American Mathematical Society, p. 300
- F. N. Cole
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1315, Mar. 12, 1920
Next Issue: New Series, Vol. 51, No. 1317, Mar. 26, 1920
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Next Issue: New Series, Vol. 51, No. 1318, Apr. 2, 1920
Front Matter (1 p.)
Résumé of Observations Concerning the Solar Eclipse of May 29, 1919, and the Einstein Effect, pp. 301-311
- Louis A. Bauer
Unity and Balance in the Zoology Course, pp. 312-315
- A. Franklin Shull
A Forerunner of Evolution, pp. 315-316
- Maynard Shipley
Scientific Events
- The Preservation of Natural Conditions, pp. 316-317
- V. E. Shelford
- The National Committee on Mathematical Reqirements, p. 317
- The New York State College of Agriculture and the New York State Experiment Station, pp. 317-318
Scientific Notes and News, pp. 318-319
University and Educational News, pp. 319-320
Discussion and Correspondence
- Modern Interpretation of Differentials, pp. 320-321
- Edward V. Huntington
- Weight and Centripetal Acceleration, p. 321
- Burt L. Newkirk
- The Situation of Scientific Men in Russia, p. 322
- S. Morgulis
- Russian and American Scientific Men, pp. 322-323
- A Member of the Exploited Classes
Quotations
- Nitrogen from the Air and the British Government, pp. 323-324
Notes on Meteorology and Climatology, pp. 324-325
- Charles F. Brooks
Special Articles
- Intersexes in Drosophila Simulans, pp. 325-327
- A. H. Sturtevant
The Illinois State Academy of Science, pp. 327-328
- J. L. Pricer
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1316, Mar. 19, 1920
Next Issue: New Series, Vol. 51, No. 1318, Apr. 2, 1920
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Next Issue: New Series, Vol. 51, No. 1319, Apr. 9, 1920
Front Matter (1 p.)
The University Department of Medicine, pp. 329-340
- Rufus Cole
Raymond B. Earle, p. 340
Resolutions on the Death of Members of the Mellon Institute, pp. 340-341
Scientific Events
- Memorial to Sir William Osler, p. 341
- The Cornell University Entomological Expedition to South America of 1919-20, p. 342
- St. Louis Meeting of the American Chemical Society, pp. 342-343
- Charles L. Parsons
- The United States Forest Service, pp. 343-344
Scientific Notes and News, pp. 344-346
University and Educational News, p. 346
Discussion and Correspondence
- The U. S. Geological Survey, pp. 346-348
- Eliot Blackwelder
- The Award of the Nobel Prize to Professor Haber, p. 348
- Jerome Alexander
Scientific Books
- ----------------, pp. 348-349
- A Handbook of Physics Measurements
- Ervin S. Ferry
- Review author[s]: A. Def. P.
Special Articles
- Notice of a Recent Contribution to Statistical Methods, pp. 349-350
- Geo. F. McEwen; Ellis L. Michael
The American Chemical Society, pp. 350-352
- Charles L. Parsons
The American Association for the Advancement of Science
- Section B--Physics, p. 352
- G. W. Stewart
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1317, Mar. 26, 1920
Next Issue: New Series, Vol. 51, No. 1319, Apr. 9, 1920
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Next Issue: New Series, Vol. 51, No. 1320, Apr. 16, 1920
Front Matter (1 p.)
The Division of Anthropology and Psychology of the National Research Council, pp. 353-357
- W. V. Bingham
The Technology Plan, pp. 357-359
- William H. Walker
Dolomieu, pp. 359-360
- George F. Kunz
Scientific Events
- The Mackenzie Davidson Memorial, pp. 360-361
- The English Union of Scientific Workers, p. 361
- The Harvard Engineering School and Industrial Cooperation, pp. 361-362
- The Forest Club Convention in New Haven, pp. 362-363
- Meeting of the International Eugenics Congress in New York City, p. 363
Scientific Notes and News, pp. 363-365
University and Educational News, pp. 365-366
Discussion and Correspondence
- The Attainment of High Levels in the Atmosphere, pp. 366-368
- J. G. Coffin
- Concerning Ballistics, pp. 368-369
- Arthur Gordon Webster
Scientific Books
- Knowlton's Catalogue of Fossil Plants, p. 369
- Review author[s]: Edward W. Berry
Notes on Meteorology, pp. 369-371
- Charles F. Brooks
Special Articles
- Technique of Operating on Chick Embryos, pp. 371-373
- Eliot R. Clark
The American Chemical Society. VIII, pp. 373-374
- Charles L. Parsons
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1318, Apr. 2, 1920
Next Issue: New Series, Vol. 51, No. 1320, Apr. 16, 1920
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Next Issue: New Series, Vol. 51, No. 1321, Apr. 23, 1920
Front Matter (1 p.)
The American Association for the Advancement of Science
- Sexuality in Mucors, pp. 375-382
- Albert F. Blakeslee
An Analysis of Aim and Incentive in a Course in General Zoology, pp. 382-384
- Harold Sellers Colton
Physical Methods and Measurements, and the Obligation of Physics to the Other Sciences, pp. 384-386
- Paul E. Klopsteg
Scientific Events
- The Ohio College and Experiment Station, p. 386
- The Louisiana Entomological Society, pp. 386-387
- T. E. Holloway
- The Southwestern Geological Society, p. 387
- The American Electrochemical Society, pp. 387-388
- Fiftieth Anniversary of the Wisconsin Academy, p. 388
Scientific Notes and News, pp. 388-390
University and Educational News, pp. 390-391
Discussion and Correspondence
- A Suggestion as to the Flagellation of the Organisms Causing Legume Nodules, pp. 391-392
- H. J. Conn; R. S. Breed
- Pensions for Government Employees, p. 392
- T. D. A. Cockerell
- The Recent Auroras, p. 392
- Charles F. Brooks
Quotations
- Civil Service Pensions, pp. 392-393
The Ecological Relations of Roots, pp. 393-394
- W. A. Cannon
Special Articles
- The Tertiary Formations of Porto Rico, pp. 395-396
- Bela Hubbard
The American Chemical Society, pp. 397-398
- Charles L. Parsons
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1319, Apr. 9, 1920
Next Issue: New Series, Vol. 51, No. 1321, Apr. 23, 1920
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Next Issue: New Series, Vol. 51, No. 1322, Apr. 30, 1920
Front Matter (1 p.)
Platinum and the Metals of the Platinum Group, pp. 399-403
- George F. Kunz
The American Association for the Advancement of Science
- Sexuality in Mucors. II, pp. 403-409
- Albert F. Blakeslee
Scientific Events
- The Division of States Relations of the National Research Council, pp. 409-410
- Summer Meeting of the American Institute of Chemical Engineers, p. 410
- J. C. Olsen
- The American Physical Society, p. 410
- Dayton C. Miller
Scientific Notes and News, pp. 410-413
University and Educational News, p. 413
Discussion and Correspondence
- Cerebellar Localization by the Application of Strychnine, pp. 413-414
- Frederick R Miller
- A Logic Test, p. 414
- Christine Ladd-Franklin
- The Situation of Scientific Men in Russia, pp. 414-415
- H. Gideon Wells
Quotations
- Research and the Universities, p. 415
Scientific Books
- ----------------, pp. 415-417
- Inbreeding and Outbreeding, Their Genetic and Sociological Significance
- Edward M. East; Donald F. Jones
- Review author[s]: Raymond Pearl
Special Articles
- Correspondence between Chromosome Number and Linkage Groups in Drosophila Virilis, pp. 417-418
- Chas. W. Metz
The American Association for the Advancement of Science
- Section H--Anthropology and Psychology, pp. 418-420
- Edward K. Strong
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1320, Apr. 16, 1920
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Next Issue: New Series, Vol. 51, No. 1323, May 7, 1920
Front Matter (1 p.)
Inventions and Patents, pp. 421-427
- Andrew Stewart
The Use and Abuse of the Genus, pp. 427-429
- Witmer Stone
Oscar A. Randolph, p. 429
- O. C. Lester
Alfred J. Moses, 1859-1920, pp. 429-430
- H. P. W.
Scientific Events
- Investigations in Polynesia, pp. 430-431
- The Pan-Pacific Scientific Congress, p. 431
- Herbert E. Gregory
- Appropriations for the New York State College of Agriculture, pp. 431-432
- Selenium and Tellurium, p. 432
- Physical and Chemical Constants, pp. 432-433
Scientific Notes and News, pp. 433-435
Educational Notes and News, pp. 435-436
Discussion and Correspondence
- Unification of Symbols and Diagrams, pp. 436-437
- Walter P. White
- Carbon Monoxide, pp. 437-438
- W. M.
- The Attainment of High Levels in the Atmosphere, p. 438
- Alexander McAdie
Scientific Books
- ----------------, pp. 438-439
- Introduction to General Chemistry
- Herbert N. McCoy; Ethel M. Terry
- Review author[s]: James F. Norris
Notes on Meteorology and Climatology, pp. 439-441
- Charles F. Brooks
Special Articles
- Limits of the Genera Vandellia and Urinophilus, p. 441
- C. H. Eigenmann
The American Association for the Advancement of Science
- Section H--Anthropology and Psychology. II, pp. 441-444
- Edward K. Strong
General Meeting of the American Chemical Society, p. 444
- Chas. L. Parsons
Back Matter (1 p.)
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Front Matter (1 p.)
Multiplex Telephony and Telegraphy over Open-Circuit Bare Wires Laid in the Earth Or Sea, pp. 445-449
- George O. Squier
Résumé of Research in the Psychology of Aviation during the Year 1919, pp. 449-452
- Harry M. Johnson
General Biology and the Junior College, pp. 452-455
- Leonas L. Burlingame; Ernest G. Martin
Francis C. Phillips, pp. 455-456
- Alexander Silverman
Scientific Events
- Bird Banding Work Being Taken over by the Biological Survey, pp. 456-457
- E. W. Nelson
- The Pacific Coast Division of the American Association for the Advancement of Science, p. 457
- The Resignation of the Director of the Bureau of Mines, pp. 457-458
- Resignation of Professor E. F. Nichols from the Yale University Faculty, p. 458
- The Allegheny Observatory, pp. 458-459
Scientific Notes and News, pp. 459-462
University and Educational News, p. 462
Discussion and Correspondence
- Singing Sands, pp. 462-464
- Albert R. Ledoux
- Modern Interpretations of Differentials, pp. 464-465
- Arthur S. Hathaway
- Carbon Dioxide and Increased Crop Production, p. 465
- Benjamin Harrow
- Structural Blue in Snow, pp. 465-466
- Jerome Alexander
Scientific Books
- ----------------, pp. 466-467
- How to Make and Use Graphic Charts
- Allan C. Haskell
- Review author[s]: R. Von Huhn
Special Articles
- The Heredity of Susceptibility to a Transplantable Sarcoma (J. W. B.) of the Japanese Waltzing Mouse, pp. 467-468
- C. C. Little
The American Association of Petroleum Geologists, pp. 468-470
The American Association for the Advancement of Science
- Minutes of the Executive Committee of the Council, pp. 470-472
- Burton E. Livingston
Back Matter (1 p.)
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Front Matter (1 p.)
The American Association for the Advancement of Science
- The Stimulation of Research after the War, pp. 473-478
- R. A. Harper
James M. Macoun, pp. 478-480
- Harlan I. Smith
Scientific Events
- The Anglo-American University Library for Central Europe, pp. 480-481
- Publications for European Nations, p. 481
- Tables of the Motion of the Moon, pp. 481-482
- The Director of the Bureau of Mines, pp. 482-483
Scientific Notes and News, pp. 483-484
University and Educational News, pp. 484-485
Discussion and Correspondence
- The Aurora of March 22, 1920, pp. 485-486
- Joel Stebbins
- The Recent Auroras and Sun Spots, p. 486
- E. D. Roe
- Possible Connection between Sunspots and Earthquakes, pp. 486-487
- Dinsmore Alter
- Some Micro-Plankton from Salton Sea, p. 487
- W. E. Allen
- Conditions in Hungary, pp. 487-488
- Jas. Lewis Howe
- Journals for Prague, p. 488
- Frederick S. Hammett
Notes on Meteorology, pp. 488-489
- Charles F. Brooks
Special Articles
- The Siphon in Text-Books, pp. 489-491
- Harold C. Barker
The American Association for the Advancement of Science
- Section E--Geology and Geography, pp. 491-495
- Rollin T. Chamberlin
The American Geophysical Union, p. 495
- Harry O. Wood
The National Academy of Sciences, pp. 495-496
Back Matter (1 p.)
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Front Matter (1 p.)
Local Anesthetics, pp. 497-504
- Henry G. Barbour
The American Association for the Advancement of Science
- Phenomena in the Ultra-Violet Spectrum, Including X-Rays, pp. 504-508
- G. W. Stewart
Scientific Events
- Publications and Membership of the National Academy of Sciences, pp. 508-509
- C. G. Abbot
- Mathematical Meetings at the University of Chicago, p. 509
- The Southwestern Division of the American Association for the Advancement of Science, pp. 509-510
- The Resignation of President Drinker of Lehigh University, p. 510
Scientific Notes and News, pp. 510-512
University and Educational News, pp. 512-513
Discussion and Correspondence
- Formulæ Giving the Day of the Week of Any Date, pp. 513-514
- W. J. Spillman
- Origin of the Supposed Human Foot-Prints of Carson City, Nevada, p. 514
- Chester Stock
- Scientific Photography, pp. 514-515
- A. J. Newton
Quotations
- Competition in Research, p. 515
A New Statistical Journal, pp. 515-517
- Raymond Pearl
Special Articles
- Foot-Rot of Wheat, pp. 517-518
- F. L. Stevens
The American Association for the Advancement of Science
- Section E--Geology and Geography, pp. 518-523
- Rollin T. Chamberlin
The American Mathematical Society, pp. 523-524
- F. N. Cole
Back Matter (1 p.)
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Front Matter (1 p.)
Suggestions for Physical Investigations Bearing upon Fundamental Problems of Physiology and Medicine, pp. 525-528
- Ralph S. Lillie
The Longneck Sauropod Barosaurus, pp. 528-530
- G. R. Wieland
Louis Valentine Pirsson, pp. 530-532
- J. P. Iddings
The American Association for the Advancement of Science
- The Fourth Annual Meeting of the Pacific Division, pp. 532-534
Scientific Events
- The Mathematical Institute of the University of Strasbourg, p. 534
- The Forest Products Laboratory Decennial Celebration, pp. 534-535
- Engineering Investigations of the U. S. Geological Survey, pp. 535-536
- Award of the Willard Gibbs Medal, p. 536
- The Retirement of Professor Fairchild of the University of Rochester, pp. 536-537
Scientific Notes and News, pp. 537-540
University and Educational News, p. 540
Discussion and Correspondence
- ``Petroliferous Provinces'', pp. 541-543
- Maurice G. Mehl
- An Improved Method of Holding Large Specimens for Dissection, p. 543
- Horace Gunthorp
Scientific Books
- ----------------, pp. 543-546
- South. The Story of Shackleton's Last Expedition, 1914-1917
- Ernest Shackleton
- Review author[s]: A. W. Greely
Special Articles
- The Ash of Dune Plants, pp. 546-551
- W. D. Richardson
The Utah Academy of Sciences, pp. 551-552
- C. Arthur Smith
Back Matter (1 p.)
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Front Matter (1 p.)
The Effect of the War on the Chief Factors of Population Change, pp. 553-556
- Raymond Pearl
Colored Photographs of Plant Disease Specimens, pp. 556-558
- Max W. Gardner; Geo. K. K. Link
William Dixon Weaver, pp. 558-559
- William E. Keily
State Grants for Scientific Investigations in England, pp. 559-562
Scientific Events
- The Manufacture of Synthetic Ammonia in England, pp. 562-563
- Spanish Edition of the Journal of the American Medical Association, p. 563
- Grants for Research Made by the American Association for the Advancement of Science, pp. 563-564
- Joel Stebbins
Scientific Notes and News, pp. 565-566
University and Educational News, pp. 566-567
Discussion and Correspondence
- Renewal of Our Relations with the Scientific Men of Europe, pp. 567-568
- Henry Fairfield Osborn
- The Meteor of November 26, 1919, p. 568
- William Kelly
- Formulæ for Dates, pp. 568-569
- W. J. Spillman
- The Library of the Late Professor Zuntz, p. 569
- Yandell Henderson
Quotations
- Work of the Mayo Brothers, pp. 569-570
The Journal of Mammalogy, pp. 570-571
- Charles E. Johnson
Special Articles
- Fluorescence, Dissociation and Ionization in Iodine Vapor, pp. 571-572
- K. T. Compton; H. D. Smyth
The American Philosophical Society, pp. 572-574
- Arthur W. Goodspeed
Back Matter (1 p.)
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Front Matter (1 p.)
The Future of the State Academy of Science, pp. 575-580
- Paul P. Boyd
Preliminary Results of Analysis of Light Deflections Observed during Solar Eclipse of May 29, 1919, pp. 581-585
- L. A. Bauer
Fourth Year of the Neotropical Research Station, pp. 585-587
- Henry Fairfield Osborn
Scientific Events
- Collections of the National Museum, p. 587
- Appropriations from the Henry Draper Fund of the National Academy of Sciences, pp. 587-588
- Association of Scientific Apparatus Makers of the United States of America, p. 588
- The Graduate School of Medicine of the University of Pennsylvania, pp. 588-589
- Officers of the National Research Council, p. 589
Scientific Notes and News, pp. 589-592
University and Educational News, pp. 592-593
Discussion and Correspondence
- Modern Interpretation of Differentials Again, p. 593
- Edward V. Huntington
- Popular Scientific Literature, pp. 593-594
- Joseph L. Wheeler
- Rules of the International Commission on Zoological Nomenclature, p. 594
- C. W. Stiles
Special Articles
- Echinoderms in Birds' Stomachs, pp. 594-595
- Hubert Lyman Clark
The American Philosophical Society. II, pp. 595-598
- Arthur W. Goodspeed
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Front Matter (1 p.)
The Survival of the Unlike, pp. 599-605
- William Trelease
The Structure of the Helium Atom, pp. 605-607
- Irving Langmuir
Alfred Werner, pp. 607-608
Scientific Events
- The United States Coast and Geodetic Survey and Recent Congressional Legislation, pp. 608-609
- The Rockefeller Foundations Endowment of University College, London, pp. 609-610
- Gifts to Universities and Colleges, p. 610
- Endowment of the Medical School of the University of Rochester, p. 610
Scientific Notes and News, pp. 611-613
University and Educational News, p. 613
Discussion and Correspondence
- Scientific Work in the Hawaiian Islands, pp. 613-614
- Henry Fairfield Osborn
- The Energy of Small Oscillations, p. 614
- Warren Weaver
- Carbon Dioxide and Increased Crop Production, p. 614
- M. W. Senstius
- Vacancies in the Grade of Assistant Civil Engineer, U. S. Navy, p. 615
- C. W. Parks
Aristotle and Galileo on Falling Bodies, pp. 615-616
- Florian Cajori
Special Articles
- An Accurately Controllable Micropipette, pp. 617-618
- C. V. Taylor
The American Philosophical Society. III, pp. 618-620
- Arthur W. Goodspeed
Back Matter (1 p.)
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Front Matter (1 p.)
Irreversible Differentiation and Orthogenesis, pp. 621-625
- C. Judson Herrick
Educational Institutions Represented in the Mellon Institute, pp. 625-627
- W. A. Hamor
Scientific Events
- The Cardiff Meeting of the British Association, p. 627
- The English Deep-Sea Fisheries, pp. 627-628
- The Sixth National Exposition of Chemical Industries, pp. 628-629
- The Work of the National Committee on Mathematical Requirements, p. 629
- J. W. Young
- The Elliot Medal in Zoology and Paleontology, pp. 629-630
- Henry Fairfield Osborn
Scientific Notes and News, pp. 630-633
University and Educational, pp. 633-634
Discussion and Correspondence
- The Use of the Term Fossil, pp. 634-635
- Richard M. Field
- The Fixation of Atmospheric Nitrogen, pp. 635-636
- Charles A. Doremus
Current Research and Publication in the American Museum, pp. 636-639
- Henry Fairfield Osborn
Notes on Meteorology and Climatology, pp. 639-640
- C. LeRoy Meisinger
Special Articles
- Transference of Nematodes (Mononchs) from Place to Place for Economic Purposes, pp. 640-641
- N. A. Cobb
- The Interaction of Ethylene and Sulphuryl Chloride, pp. 641-642
- William Foster
The American Philosophical Society. IV, pp. 642-644
- Arthur W. Goodspeed
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Volume Information (8 pp.)
Front Matter (1 p.)
The Founding of the Wisconsin Academy of Sciences, Arts and Letters, pp. 1-8
- Thomas Chrowder Chamberlin
Scientific Events
- Aitoff's Equal-Area Projection of the Sphere, pp. 8-9
- Retirement of Civil Service Employees, p. 9
- The Meyer Memorial Medal, pp. 9-10
- Honorary Degrees at Yale University, p. 10
Scientific Notes and News, pp. 10-13
University and Educational News, p. 13
Discussion and Correspondence
- Orthogenesis among Fishes, pp. 13-14
- David Starr Jordan
- Einstein's Theory and Shift of Spectrum Lines, pp. 14-15
- Elizabeth R. Laird
- Anopheles Larvæ in Salt Water, p. 15
- James Zetek
Quotations
- The Lister Institute, p. 15
Scientific Books
- ----------------, pp. 15-17
- Pasteur, the History of a Mind
- Emile Duclaux
- Review author[s]: L. R. Jones
Notes on Meteorology, pp. 17-18
- C. LeRoy Meisinger
Special Articles
- A Simple Method for Titrating Electrometrically to a Desired End Point in Acid-Alkaline Reactions, pp. 18-19
- Paul E. Klopsteg
The American Society of Mammalogists, pp. 19-20
- Hartley H. T. Jackson
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Front Matter (1 p.)
The Scientific Basis of the Illinois System of Permanent Soil Fertility, pp. 21-25
- Robert Stewart
Radicalism and Research in America, pp. 25-30
- Neil E. Stevens
Scientific Events
- Biometric and Eugenic Laboratories at University College, London, pp. 30-31
- Fisheries of the Gulf States, 1918, p. 31
- Road-Building Projects with Federal Aid, pp. 31-32
- The Brewster Collection of Birds, p. 32
- Hawaiian Scientific Institutions, p. 32
Scientific Notes and News, pp. 32-34
University and Educational News, pp. 34-35
Discussion and Correspondence
- Modern Interpretation of Differentials, p. 35
- Arthur S. Hathaway
- Note on Distribution and Spermatogenesis of Myriapoda, pp. 36-37
- Horace Gunthorp
Quotations
Scientific Books
- ----------------, pp. 37-38
- Die Stämme der Wirbelthiere
- Othenio Abel
- Review author[s]: W. D. Matthew
Special Articles
- An Ultramicroscopic Study of the Two Stages of Blood Coagulation, pp. 38-41
- Arnold Rice Rich
The Kentucky Academy of Science, pp. 41-44
- Alfred M. Peter
Back Matter (1 p.)
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Front Matter (1 p.)
The College Teacher and Research, pp. 45-48
- LeRoy D. Weld
Waxy Maize from Upper Burma, pp. 48-51
- G. N. Collins
Physical Measurements in Psychology, pp. 51-53
- A. P. Weiss
General William C. Gorgas, pp. 53-54
- M. W. Ireland
Scientific Events
- The Annual Report of the Registrar General of England and Wales, pp. 54-55
- The World's Production of Gold, p. 55
- Professor Van Beneden of Liége, pp. 55-56
- The Rockefeller Institute for Medical Research, pp. 56-57
Scientific Notes and News, pp. 57-59
University and Educational News, p. 59
Discussion and Correspondence
- Intersexes in Drosophila and Different Types of Intersexuality, pp. 59-60
- Julian S. Huxley
- The Origin of Oil, pp. 60-61
- Chester W. Washburne
- The Causes and Prevention of after Corrosion on the Bores of Firearms, p. 61
- Wilbert J. Huff
Scientific Books
- ----------------, pp. 61-62
- An Introduction to Entomology
- John Henry Comstock
- Review author[s]: Vernon Kellogg
Special Articles
- ``Physical Constants'' Pertaining to the Ocean, pp. 62-63
- George F. McEwen
- The Differential Staining of Plant Pathogen and Host, pp. 63-64
- B. T. Dickson
The American Association for the Advancement of Science
- Section O--Agriculture, pp. 64-66
- Jacob G. Lipman
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Front Matter (1 p.)
The Structure of the Universe, pp. 67-74
- William Duncan MacMillan
The Pan-Pacific Scientific Congress and the Bishop Museum of Hawaii, pp. 74-76
- Charles Schuchert
Scientific Events
- Cotton Research in Lancashire, p. 76
- The British Science Guild, pp. 76-77
- The Division of Chemistry and Chemical Technology of the National Research Council, pp. 77-78
- The Permanent Funds of the American Ornithologists' Union, p. 78
Scientific Notes and News, pp. 78-80
University and Educational News, p. 81
Discussion and Correspondence
- The Rescued Fur Seal Industry, pp. 81-82
- William T. Hornaday
- Side-To-Side Versus End-To-End Conjugation of Chromosomes in Relation to Crossing over, pp. 82-84
- Waro Nakahara
- Destruction of Zoospores of Plant Disease Organisms by Natural Enemies, p. 84
- R. B. Harvey
The Journal of Morphology, pp. 84-85
- W. C. Allee
Special Articles
- A Simplified Non-Absorbing Mounting for Porous Porcelain Atmometers, pp. 85-87
- Burton E. Livingston; Frank Thone
The Iowa Academy of Science, pp. 87-92
- James H. Lees
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Front Matter (1 p.)
Some Obligations and Opportunities of Scientists in the Upbuilding of Peace, pp. 93-99
- Glenn W. Herrick
Uses of Plants by the Indians, pp. 99-101
- O. A. Stevens
Scientific Events
- Agriculture in Alaska, pp. 101-102
- Reproduction of Microscopic Under-Sea Life, p. 102
- Matters of Scientific Interest in Congress, pp. 102-103
- The Meeting of Orientals and Occidentals in the Pacific Coast Area, p. 103
Scientific Notes and News, pp. 104-107
University and Educational News, p. 107
Discussion and Correspondence
- Genera and Supergenera, pp. 107-108
- A. S. Hitchcock
- The Situation of Scientific Men in Russia, pp. 108-109
- S. Morgulis
- Concerning Our Relations with Teutonic Scientists, p. 109
- W. W. Campbell
Quotations
- Medical Education, pp. 109-110
Scientific Books
- ----------------, pp. 110-111
- A New Morphological Interpretation of the Structure of Noctiluca and Its Bearing on the Status of the Cystoflagellata (Haeckel)
- Charles A. Kofoid
- Review author[s]: Maynard M. Metcalf
Special Articles
- The Efferent Path of the Nervous System Regarded as a Step-Up Transformer of Energy, pp. 111-112
- F. H. Pike
- On Spiral Nebulæ, pp. 112-113
- Carl Barus
- The Pacific Division of the American Association for the Advancement of Science, pp. 113-114
- W. W. Sargent
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Front Matter (1 p.)
Medical Research, pp. 115-120
- T. Clifford Allbutt
The Recent Earthquakes at Los Angeles, California, pp. 121-122
- Ralph Arnold
Augusto Righi, pp. 122-123
- Augustus Trowbridge
Scientific Events
- The Centenary of Sir Joseph Banks, p. 123
- The Epidemic of Influenza in England, pp. 123-124
- The Enforcement of the Food and Drug Act, pp. 124-125
- Alaska Surveys and Investigations in 1920, p. 125
Scientific Notes and News, pp. 125-128
University and Educational News, pp. 128-129
Discussion and Correspondence
- A Priori Use of the Gaussian Law, pp. 129-130
- Edwin G. Boring
- Albino Vertebrates, pp. 130-131
- John S. Dexter
- A Plea for More Explicit Designation of Scientific Reprints, p. 131
- Rose M. MacDonald
Scientific Books
- ----------------, pp. 131-134
- Review author[s]: Charles Schuchert
Special Articles
- Computing Ages of Animals, pp. 134-135
- J. Rollin Slonaker
- The Classification of the Opalinidæ, pp. 135-136
- Maynard M. Metcalf
The Ohio Academy of Science, pp. 136-138
- Edward L. Rice
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Front Matter (1 p.)
Agricultural Geology, pp. 139-142
- John E. Smith
The Nomenclature of Families and Subfamilies in Zoology, pp. 142-147
- Harry C. Oberholser
Further Results of Analysis of Light Deflections Observed during Solar Eclipse of May 29, 1919, p. 147
- Louis A. Bauer
Scientific Events
- Chemical Research in France and England, p. 148
- Medical Education in the United States, pp. 148-149
- Work of the Bureau of Mines, pp. 149-150
- The Reorganization of the Nela Research Laboratories, p. 150
- The Lister Memorial, pp. 150-151
Scientific Notes and News, pp. 151-153
University and Educational News, pp. 153-154
Discussion and Correspondence
- Transverse Vibrations of Rods, p. 154
- Arthur Gordon Webster
- The Exploration of Venezuela, pp. 154-155
- E. B. Williamson
- Mathematische Zeitschrift, p. 155
- G. A. Miller
Scientific Books
- ----------------, pp. 155-156
- Aids to Forecasting
- E. Gold
- Review author[s]: A. M.
Special Articles
- Linked Genes in Rabbits, pp. 156-157
- W. E. Castle
- The Fat-Soluble a Vitamine and Xerophthalmia, pp. 157-158
- A. D. Emmett
The American Chemical Society, pp. 158-162
- Charles L. Parsons
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Front Matter (1 p.)
The Cooperative Course in Electrical Engineering at the Massachusetts Institute of Technology, pp. 163-165
- William H. Timbie
Parallel Mutations in the Ostrich, pp. 165-168
- J. E. Duerden
Scientific Events
- Central Headquarters for British Chemists, p. 168
- Forestry Education, pp. 168-169
- Scholarships in Medical Schools, pp. 169-170
- Chicago Meeting of the American Chemical Society, pp. 170-171
- Charles L. Parsons
Scientific Notes and News, pp. 171-174
University and Educational News, pp. 174-175
Discussion and Correspondence
- Efficiency in Thermal Calculations, pp. 175-176
- Allan W. Forbes; Arthur Gordon Webster
- Reversal of the Sodium Line, p. 176
- Charles S. Palmer
- The Carnegie Foundation and Research in the Colleges, pp. 176-177
- L. A. Rogers
- Radicalism and Research in America, pp. 177-178
- William Herbert Hobbs
- Anatomical Literature, p. 178
- H. V. Wilson
Scientific Books
- ----------------, pp. 178-179
- Review author[s]: F. H. Garrison
Special Articles
- The Production of Artificial Hermaphrodites in Mammals, pp. 179-182
- Carl R. Moore
- Static Rejuvenation, pp. 182-183
- Clyde A. Malott
The American Chemical Society, pp. 183-185
- Charles L. Parsons
The North Carolina Academy of Science, pp. 185-186
- R. W. Leiby
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Front Matter (1 p.)
The Temperature Interval in the Geographical Distribution of Marine Algæ, pp. 187-190
- William Albert Setchell
A Third Capture on the Florida Coast of the Whale Shark, Rhineodon Typus, pp. 191-192
- E. W. Gudger
Scientific Events
- The Spawning Grounds of the Eel, p. 192
- Agricultural Work at the University of Nanking, pp. 192-193
- All-American Conference on Venereal Diseases, pp. 193-194
- Dye Division of the American Chemical Society, p. 194
- R. Norris Shreve
- The Federated American Engineering Societies, pp. 194-195
Scientific Notes and News, pp. 195-197
University and Educational News, pp. 197-198
Discussion and Correspondence
- Methods Used in the Study of Soil Alkali, pp. 198-200
- F. S. Harris
- The Rôle of Psychological Factors in Digestion, pp. 200-201
- J. R. Kantor
- A Sidewalk Mirage, p. 201
- F. W. McNair
Scientific Books
- ----------------, pp. 201-202
- Helmets and Body Armor in Modern Warfare
- Bashford Dean
- Review author[s]: Dwight Franklin
Special Articles
- Decomposition of Hydrogen Peroxide by Organic Compounds and Its Bearing on the Catalase Reaction, pp. 202-204
- Sergius Morgulis; Victor E. Levine
- A Simple Device for Showing by a Hydraulic Analogue the Effect Produced on the Potential Difference between the Terminals of an Electric Cell When the Circuit is Closed, pp. 204-205
- Norton A. Kent
The American Meteorological Society, pp. 205-206
- Charles F. Brooks
The American Chemical Society, pp. 206-208
- Charles L. Parsons
Back Matter (1 p.)
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Front Matter (1 p.)
The British Association for the Advancement of Science
- Oceanography and the Sea-Fisheries, pp. 209-216
- William A. Herdman
- John Sahlberg, pp. 216-217
- A. G. Böving
Scientific Events
- The Publication of Scientific Books in France, p. 217
- Chemical Research in London, pp. 217-218
- North American Forest Research, pp. 218-219
- Office of Development Work, p. 219
Scientific Notes and News, pp. 219-223
University and Educational News, p. 223
Discussion and Correspondence
- The Obligation of the Investigator to the Library, pp. 223-225
- Neil E. Stevens
- The Fur Seals, p. 225
- David Starr Jordan
- A Preliminary Note on the Germination of Urophlyctis Alfalfæ, pp. 225-226
- C. Emlen Scott
Scientific Books
- ----------------, pp. 226-227
- Hand-List of Scientific Manuscripts in the British Isles Dating from before the Sixteenth Century
- Dorothea Waley Singer
- Survey of Medical Manuscripts in the British Isles Dating from before the Sixteenth Century
- Dorothea Waley Singer
- Review author[s]: F. H. Garrison
Special Articles
- The Arrangement of Atoms in Some Common Metals, pp. 227-229
- Albert W. Hull
- Effects Produced by X-Ray Energy Acting upon Frogs' Ova in Early Developmental Stages, pp. 229-230
- W. M. Baldwin
The American Chemical Society, pp. 230-232
- Charles L. Parsons
Back Matter (1 p.)
Previous Issue: New Series, Vol. 52, No. 1339, Aug. 27, 1920
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Next Issue: New Series, Vol. 52, No. 1342, Sep. 17, 1920
Front Matter (1 p.)
The British Association for the Advancement of Science
- The Internal Constitution of the Stars, pp. 233-240
- A. S. Eddington
The Hawaiian Olona, pp. 240-241
- Vaughan MacCaughey
Frank Slater Daggett, p. 242
- John C. Merriam
John Lossen Pricer, pp. 242-243
- H. J. Van Cleave
Scientific Events
- The Eruption of Katla in Iceland, pp. 243-244
- Utilization of the Forests of Alaska, p. 244
- The International Chemical Conference, pp. 244-245
- Missouri Experiment Station of the Bureau of Mines, p. 245
Scientific Notes and News, pp. 245-247
University and Educational News, pp. 247-248
Discussion and Correspondence
- A Band Spectrum from Mercury Vapor, pp. 248-249
- C. D. Child
- A New Variety of the Roof Rat, pp. 249-250
- J. T. Patterson
- Another Corn Seed Parasite, pp. 250-251
- J. B. S. Norton; C. C. Chen
Scientific Books
- ----------------, p. 251
- Orthoptera of Northeastern America with Special Reference to the Faunas of Indiana and Florida
- W. S. Blatchley
- Review author[s]: A. N. Caudell
- ----------------, pp. 251-252
- Manual of the Orthoptera of New England, Including Locusts, Grasshoppers, Crickets, and Their allies
- Albert P. Morse
- Review author[s]: A. N. Caudell
Special Articles
- A Stand for the Barbour Microdissection Apparatus, pp. 252-253
- H. B. Goodrich
- Gastric Response to Foods, pp. 253-254
- Raymond J. Miller; Olaf Bergeim; Philip B. Hawk
The American Chemical Society, pp. 254-256
- Charles L. Parsons
Back Matter (1 p.)
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Next Issue: New Series, Vol. 52, No. 1343, Sep. 24, 1920
Front Matter (1 p.)
The British Association for the Advancement of Science
- Fossils and Life, pp. 257-264
- Francis Arthur Bather
Atlantic and Pacific Salmon, pp. 264-266
- Henry B. Ward
Joseph Pantel (1853-1920), a Jesuit and a Scientist, pp. 266-267
- J. H. Foulquier
Scientific Events
- Tribute to the Memory of James Wilson, p. 267
- Research in Aviation, pp. 267-268
- Varieties of Wheat, p. 268
- Lectures at the New York Botanical Garden, pp. 268-269
Scientific Notes and News, pp. 269-271
University and Educational News, pp. 271-272
Discussion and Correspondence
- Galileo's Experiment from the Leaning Tower, pp. 272-273
- Edw. A. Partridge
- The Booming Lizard of Australia, p. 273
- Walter H. Bone
Quotations
- The British Association, pp. 273-274
Special Articles
- Experiments in the Transplantation of the Hypophysis of Adult Rana Pipiens to Tadpoles, pp. 274-276
- Bennet M. Allen
The American Chemical Society, pp. 276-278
- Charles L. Parsons
Back Matter (1 p.)
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Next Issue: New Series, Vol. 52, No. 1344, Oct. 1, 1920
Front Matter (1 p.)
Conservation of the Quality of Water of New York State as a Natural Resource, pp. 279-284
- William Firth Wells
Pleistocene Clays as a Chronometer, pp. 284-286
- H. L. Fairchild
General Resolutions of the Pan-Pacific Scientific Conference, pp. 286-287
Scientific Events
- Dimensions and Area of the United States, pp. 287-288
- The British Department of Scientific and Industrial Research, p. 288
- The Centenary of Oersted's Discovery, pp. 288-289
- The National Committee on Mathematical Requirements, p. 289
Scientific Notes and News, p. 290
University and Educational News, p. 290
Discussion and Correspondence
- Mirages?, pp. 290-291
- H. H. Platt; Freeman F. Burr; Stephen R. Williams
- Family and Subfamily Names in Zoology, pp. 291-292
- M. W. Lyon
- The Needs of Men of Science in Rumania, p. 292
- S. J. Meltzer
Quotations
- Science and the Public, pp. 292-293
Notes on Meteorology and Climatology, pp. 293-295
- C. LeRoy Meisinger
Special Articles
- The Sounds of Splashes, pp. 295-296
- Arthur Taber Jones
- The Crystal Structure of Ice, pp. 296-297
- D. M. Dennison
The American Chemical Society, pp. 297-300
- Charles L. Parsons
Back Matter (1 p.)
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Front Matter (1 p.)
Scientific Research in Relation to Agricultural Problems, pp. 301-307
- W. P. Thompson
Limitations of Experiment in Explaining Natural Habit, as Illustrated by the Diurnal Migration, pp. 307-310
- Calvin O. Esterly
Scientific Events
- The British National Physical Laboratory, p. 310
- The Fairport Fisheries Biological Station, pp. 310-311
- Expeditions of the Bishop Museum, p. 311
Scientific Notes and News, pp. 311-313
University and Educational News, pp. 313-314
Discussion and Correspondence
- Electricity and Gravitation, pp. 314-315
- H. Bateman
- Protozoa in Sawdust for Class Work, p. 315
- C. W. Stiles
Concerning Diastrophism, pp. 315-318
- Edward W. Berry
Special Articles
- The Influence of Dry Versus Fresh Green Plant Tissue on Calcium Assimilation, p. 318
- E. B. Hart; H. Steenbock; C. A. Hoppert
The American Chemical Society, pp. 319-322
- Charles L. Parsons
Back Matter (1 p.)
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Next Issue: New Series, Vol. 52, No. 1346, Oct. 15, 1920
Front Matter (1 p.)
The Naples Zoological Station, pp. 323-325
- Edwin B Powers
Resolutions of the Pan-Pacific Scientific Conference, pp. 325-331
Biophysics, pp. 331-332
- Alexander Forbes
Scientific Events
- The Power Resources of Canada, pp. 332-333
- Fur Seals of the Pribilof Islands, pp. 333-334
- The Proposed California Anti-Vivisection Legislation, p. 334
- The Sixteenth Annual New England Intercollegiate Geological Excursion, pp. 334-335
- Lectures on Astronomical Subjects at the California Academy of Sciences, p. 335
Scientific Notes and News, pp. 335-337
University and Educational News, pp. 337-339
Discussion and Correspondence
- The Boundary between the Silurian and Devonian in Shropshire and France, pp. 339-340
- Charles Schuchert
- The Measurement of Postglacial Time, p. 340
- H. A. Gleason
- Explorations in the Panhandle of Texas, p. 340
- W. K. Moorehead
Quotations
- The British Association at Cardiff, pp. 341-342
Scientific Books
- ----------------, p. 342
- Principles of Animal Biology
- A. Franklin Shull
- Review author[s]: H. J. Van Cleave
Special Articles
- Preliminary Investigation of Ribes as a Controlling Factor in the Spread of White Pine Blister Rust, pp. 342-345
- E. G. Cheyney
The American Chemical Society. XI, pp. 345-346
- Charles L. Parsons
Back Matter (1 p.)
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Next Issue: New Series, Vol. 52, No. 1347, Oct. 22, 1920
Front Matter (1 p.)
The Scientific Teaching of Science, pp. 347-351
- C. G. MacArthur
Levulose Sirup, pp. 351-352
- J. J. Willaman
Resolutions of the Pan-Pacific Scientific Conference, pp. 352-355
Samuel Sheldon, pp. 355-356
- Erich Hausmann
Scientific Events
- The California Institute of Technology, pp. 356-357
- The Heckscher Foundation for the Promotion of Research at Cornell University, p. 357
- Austrian Meteorologists Appeal for Aid, pp. 357-358
- The Gilman Memorial Lectures on Geography, p. 358
Scientific Notes and News, pp. 358-362
University and Educational News, pp. 362-363
Discussion and Correspondence
- An Institution for Tropical Research, pp. 363-365
- F. S. Earle
- Mills and Fishways, pp. 365-366
- Robert T. Morris
- Efficiency in Thermal Phenomena, p. 366
- E. H. Lockwood
- The Helium Arc as a Generator of High Frequency Oscillations, pp. 366-367
- G. M. J. Mackay
Scientific Books
- ----------------, pp. 367-368
- Collected Studies on the Pathology of War Gas Poisoning
- M. C. Winternitz
- Review author[s]: Alwin M. Pappenheimer
Special Articles
- The Take-All Disease of Wheat in New York State, pp. 368-369
- R. S. Kirby; H. E. Thomas
The American Chemical Society, pp. 369-370
- Charles L. Parsons
Back Matter (1 p.)
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Front Matter (1 p.)
Institutes of Anthropology, pp. 371-376
- Karl Pearson
Sulphur as a Fertilizer, pp. 376-378
- Charles A. Shull
Eric Doolittle, pp. 378-379
- Samuel G. Barton
Scientific Events
- Agricultural Work of the National Research Council, pp. 379-380
- The Proposed Expedition to Asia of the American Museum of Natural History, pp. 380-381
- The Thomas A. Edison Prize, pp. 381-382
- W. V. Bingham
- The Population of the United States, p. 382
Scientific Notes and News, pp. 382-385
University and Educational News, pp. 385-386
Discussion and Correspondence
- The Spectrum of Mercury Vapor, pp. 386-387
- John K. Robertson
- Autopsy of a Black Fish, p. 387
- G. A. MacCallum
Quotations
- The National Botanic Garden, p. 387
A New Biological Journal, pp. 387-388
- H. A. Gleason
Special Articles
- Chromosomal Duplication and Mendelian Phenomena in Datura Mutants, pp. 388-390
- Albert F. Blakeslee; John Belling; M. E. Farnham
The American Chemical Society, pp. 390-393
- Charles L. Parsons
The Summer Meeting of the American Mathematical Society, pp. 393-394
- Arnold Dresden
Back Matter (1 p.)
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Front Matter (1 p.)
The Agronomist's Part in the World's Food Supply, pp. 395-400
- F. S. Harris
Scientific and Industrial Research in France, Italy, Belgium and Japan, pp. 400-401
Scientific Events
- Aeronautic Section of the Ameerican Society of Engineers, pp. 401-402
- Committee on Problems of Electrical Insulation, p. 402
- The Oriental Institute of the University of Chicago, pp. 402-403
- The News Service of the American Chemical Society, p. 403
- Grants for Research of the American Association for the Advancement of Science, pp. 403-404
- Joel Stebbins
Scientific Notes and News, pp. 404-407
University and Educational News, p. 407
Discussion and Correspondence
- Professor Field's Use of the Term Fossil, p. 408
- Arthur M. Miller
- Galileo's Experiments from the Tower of Pisa, p. 409
- Florian Cajori
- Jonathan Edwards on Multidimensional Space and the Mechanistic Conception of Life, pp. 409-410
- J. M. C.
Scientific Books
- ----------------, p. 410
- Heredity and Evolution in Plants
- C. Stuart Gager
- Review author[s]: Bradley M. Davis
Notes on Climatology and Meteorology, pp. 410-413
- C. LeRoy Meisinger
Special Articles
- Note on Einstein's Theory of Gravitation and Light, pp. 413-414
- Edward Kasner
The American Chemical Society, pp. 414-416
- Charles L. Parsons
Back Matter (1 p.)
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Front Matter (1 p.)
William Henry Welch, pp. 417-433
- Simon Flexner
The Structures of the Hydrogen Molecule and the Hydrogen Ion, pp. 433-437
- Irving Langmiur
Scientific Events
- The American Society of Mechanical Engineers, p. 437
- The American Ornithologists' Union, p. 437
- T. S. Palmer
- The American Society of Naturalists, pp. 437-438
- A. Franklin Shull
- The Association of American Geographers at the Chicago Meeting, p. 438
- Richard Elwood Dodge
- The Department of Chemistry of the Ohio State University, pp. 438-439
- Dedication of the Edward Orton Memorial Library, p. 439
Scientific Notes and News, pp. 439-441
University and Educational News, pp. 441-442
Discussion and Correspondence
- Visible Sound Waves, p. 442
- Frederick A. Saunders
- Drift Bottles as Indicating a Superficial Circulation in the Gulf of Maine, pp. 442-443
- James W. Mavor
Scientific Books
- ----------------, pp. 443-446
- Review author[s]: W. M. Wheeler
Special Articles
- On the Protein Content of Wheat, pp. 446-447
- W. F. Gericke
- The Vitamine Requirements of the Rat on Diets Rich in Protein, Carbohydrate, and Fat Respectively, pp. 447-448
- Casimir Funk; Harry E. Dubin
Back Matter (1 p.)
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Front Matter (1 p.)
The Proteins and Colloid Chemistry, pp. 449-456
- Jacques Loeb
The African Rift Valleys, pp. 456-458
- W. M. Davis
Scientific Events
- The Sixteenth Annual New England Intercollegiate Geological Excursion, pp. 458-459
- Herdman F. Cleland
- ``Physiological Reviews'', pp. 459-460
- University of Pennsylvania Lectures, p. 460
- The Section of Zoology of the American Association, p. 461
- H. V. Neal
Scientific Notes and News, pp. 461-463
University and Educational News, pp. 463-464
Discussion and Correspondence
- The Preservation of Wild Life, p. 464
- V. E. Shelford
- Predilection and Sampling of Human Heights, pp. 464-466
- Edwin G. Boring
- The Plight of Scientific Periodicals, pp. 466-467
- Howard S. Reed
- Road Reflections, p. 467
- H. H. Platt
- The Influence of Fresh Food in Lactation, pp. 467-468
- E. B. Forbes
- Swarming of Anopheles, pp. 468-469
- L. O. Howard
The Works of Ameghino, p. 469
- Roy L. Moodie
Special Articles
- The Free-Martin and Its Reciprocal: Opossum, Man, Dog, pp. 469-471
- Carl G. Hartman
The Nebraska Academy of Sciences, pp. 471-472
- C. O. Carlson
Back Matter (1 p.)
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Front Matter (1 p.)
The Research Spirit in Everyday Life of the Average Man, pp. 473-478
- John C. Merriam
Doctorates Conferred in the Sciences by American Universities in 1920, pp. 478-483
- Callie Hull
The Low Temperature Laboratory of the Bureau of Mines, pp. 483-484
- R. B. Moore
Scientific Events
- Phosphate in Morocco, p. 484
- The Pasteur Institute of Paris, pp. 484-485
- The British Ministry of Agriculture, pp. 485-486
- Collection of Birds for the California Academy of Sciences, p. 486
- The Geological Society of America, p. 486
- Edmund Otis Hovey
Scientific Notes and News, pp. 487-490
University and Educational News, p. 490
Discussion and Correspondence
- An Unfavorable Spawning Season for Mullet, pp. 490-491
- C. H. Edmondson
- Remark on Family Names, pp. 491-492
- Thos. L. Casey
- Research Problems ``Assigned to'' University Professors and Their Students, p. 492
- C. T. Brues
The Laws of Hybridizing Discovered by Richard Diener, pp. 492-494
- L. J. C.
Special Articles
- On the Relationship between Freezing Point Lowering, Δ, and Specific Electrical Conductivity, K, of Plant Tissue Fluids, pp. 494-495
- J. Arthur Harris; Ross Aiken Gortner; John V. Lawrence
The American Association for the Advancement of Science
- Minutes of the Executive Committee of the Council, pp. 495-496
- Burton E. Livingston
Back Matter (1 p.)
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Front Matter (1 p.)
Harmon Northrup Morse, pp. 497-500
- Ira Remsen
Wilhelm Wundt, 1832-1920, pp. 500-502
- Edward Bradford Titchener
On the Determination of Geochronology by a Study of Laminated Deposits, pp. 502-503
- De Geer
Scientific Events
- Dedication of the New Laboratory Building of the Bureau of Fisheries at Fairport, Iowa, pp. 503-504
- The Chicago Meeting of the American Association for the Advancement of Science, p. 504
- Scientific Societies Meeting at Chicago, p. 505
- Centenary of the Medical College of the University of Cincinnati, pp. 505-506
Scientific Notes and News, pp. 506-509
University and Educational News, p. 509
Discussion and Correspondence
- A Possible Relation between Mechanical, Chemical and Electrical Quantities, pp. 509-510
- Carl Hering
- The Influence of Dry Versus Fresh Green Plant Tissue on Calcium Metabolism, p. 510
- E. F. Robb
- Purchases in Germany, pp. 510-511
- Jas. Lewis Howe
Scientific Books
- ----------------, pp. 511-513
- Psychology of Nationality and Internationalism
- W. B. Pillsbury
- Review author[s]: H. L. Hollingworth
Call for a Meeting of Geneticists Interested in Agriculture, pp. 513-514
Doctorates Conferred in the Sciences by American Universities in 1920. II, pp. 514-517
- Callie Hull
Special Articles
- A Method of Studying the Absorption-Transpiration Ratio in Nutrient Media, pp. 517-518
- Earl S. Johnston
The American Mathematical Society, pp. 518-519
- F. N. Cole
The National Academy of Sciences, pp. 519-520
Back Matter (1 p.)
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Front Matter (1 p.)
Some Features of the Chicago Meeting of the American Association for the Advancement of Science and of the Associated Societies, December 27, 1920, to January 1, 1921, pp. 521-525
- Burton E. Livingston
A More Nearly Rational System of Units, pp. 525-529
- Elliot Q. Adams
Paleontology and Pragmatism, pp. 529-531
- Edward W. Berry
Scientific Events
- A New Observatory in Cleveland, pp. 531-532
- K. O. Thompson
- A Survey of Forest Research, p. 532
- A Score for Health Activities, pp. 532-533
- Council Meeting of the Illinois State Academy of Science, p. 533
- A. R. Crook
- The Engineering Foundation, pp. 533-534
Scientific Notes and News, pp. 535-537
Educational Notes and News, p. 537
Discussion and Correspondence
- Recedent Lake Shores of the Cretaceous, pp. 537-538
- G. R. Wieland
- Is Honey a Luxury?, pp. 538-539
- M. C. Tanquary
- The Flight of Fireflies and the Flashing Impulse, pp. 539-540
- H. A. Allard
Special Articles
- Fungicidal Dusts for Control of Smut, pp. 540-541
- W. W. Mackie; Fred N. Briggs
The American Astronomical Society, pp. 541-542
- Joel Stebbins
Back Matter (1 p.)
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Front Matter (1 p.)
The Daily Influences of Astronomy, pp. 543-552
- W. W. Campbell
Plan of the Bicentenary Expedition to the North of Greenland, pp. 552-554
- Lauge Koch
Scientific Events
- University of Toronto Conference on Recent Advances in Physics, pp. 554-555
- J. C. McLennan
- Meeting of the American Ornithologists' Union, p. 555
- T. S. Palmer
- The Bulawayo Meeting of the South African Association, pp. 555-556
Scientific Notes and News, pp. 556-558
University and Educational News, pp. 558-559
Discussion and Correspondence
- Positive Ray Analysis of Magnesium, p. 559
- A. G. Dempster
- On Recording Apparatus for Meteorological Research with Rockets, p. 559
- R. H. Goddard
- The History of Science Section and the Progress of Science, pp. 559-562
- Frederick E. Brasch
Special Articles
- Optimum Nutrient Solutions for Plants, pp. 562-564
- D. R. Hoagland
- The American Chemical Society, Chicago Meeting, pp. 564-566
- Charles L. Parsons
Back Matter (1 p.)
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Front Matter (1 p.)
The Anthropological Problems of the Far East, pp. 567-574
- Aleš Hrdlička
Surveying from the Air, pp. 574-575
- E. Lester Jones
Scientific Events
- The British National Union of Scientific Workers, p. 576
- Plant Pathology at the Brooklyn Botanic Garden, pp. 576-577
- The American Physical Society, p. 577
- Dayton C. Miller
- The Mathematical Association of America, p. 577
Scientific Notes and News, pp. 578-580
University and Educational News, p. 581
Discussion and Correspondence
- Helium and Hydrogen Models, pp. 581-583
- Edwin C. Kemble
- Reprints from Scientific Institutions, p. 583
- Priscilla B. Montgomery
- Observations on the Philosophy and Ethics of Research and Publication, pp. 583-584
- Frank Place
- The Directorship of the Maine Agricultural Station, pp. 584-585
- Chas. D. Woods
Quotations
- Science and the Nation, pp. 585-586
Scientific Books
- ----------------, p. 586
- The Geology of South Australia
- Walter Howchin
- Review author[s]: Rollin D. Sallisbury
Special Articles
- The Compression of a Sound Wave, pp. 586-588
- Carl Barus
The American Chemical Society, pp. 588-590
- Charles L. Parsons
Back Matter (1 p.)
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Front Matter (1 p.)
Medical Zoology in Europe, pp. 591-597
- R. W. Hegner
The Problem of the Introductory Course in Botany, pp. 597-599
- Bradley Moore Davis
Present Status of the Affairs of the American Association for the Advancement of Science, pp. 599-600
- Burton E. Livingston
Scientific Events
- Standardization of Industrial Laboratory Apparatus, pp. 600-601
- Needs of the Geological Survey Program, p. 601
- The American Journal of Hygiene, p. 602
- The Yale Forest School, pp. 602-603
- Postbellum Reorganization of the International Commission on Zoological Nomenclature, p. 603
Scientific Notes and News, pp. 603-607
University and Educational News, pp. 607-608
Discussion and Correspondence
- Wratten Filters, p. 608
- C. E. K. Mees
- The Cost of German Publications, p. 608
- George Dock
- A Question of Bibliography, pp. 608-609
- A. Willey
- Jonathan Edwards as a Freudian, p. 609
- Edwin E. Slosson
Scientific Books
- ----------------, pp. 609-610
- Plant Indicators. The Relation of Plant Communities to Process and Practise
- Frederc E. Clements
- Review author[s]: Thomas H. Kearney
Special Articles
- Long-Time Temperature Prediction, pp. 611-612
- Frank L. West
The American Chemical Society, pp. 612-614
- Charles L. Parsons
Back Matter (1 p.)
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Next Issue: New Series, Vol. 53, No. 1358, Jan. 7, 1921
Front Matter (1 p.)
The American Association for the Advancement of Science
- Twenty-Five Years of Bacteriology: A Fragment of Medical Research, pp. 615-632
- Simon Flexner
Scientific Events
- Museum of the Buffalo Society of Natural Sciences, p. 632
- Medals of the Royal Society, p. 633
- The Philadelphia Academy of Natural Sciences, pp. 633-634
- The New York Academy of Sciences, p. 634
Scientific Notes and News, pp. 634-636
University and Educational News, p. 636
Discussion and Correspondence
- High Temperatures and Emission from Gases, p. 637
- G. M. J. Mackay
- A Possible Relation between Mechanical, Electrical and Chemical Quantities, p. 637
- Carl Hering
- Request for Separates, p. 637
- Lester W. Sharp
- An Appeal for Publications for Czechoslovakia, pp. 637-638
- A. Hrdlička
Notes on Meteorology and Climatology, pp. 638-640
- C. LeRoy Meisinger
Special Articles
- The Collection of Radium Emanation for Therapeutic Use, pp. 640-641
- S. C. Lind
- A Quantitative Survey of the Flora of Lake Mendota, pp. 641-642
- H. W. Rickett
The American Chemical Society, pp. 642-646
- Charles L. Parsons
Back Matter (1 p.)
Previous Issue: New Series, Vol. 52, No. 1356, Dec. 24, 1920
Next Issue: New Series, Vol. 53, No. 1358, Jan. 7, 1921