Previous Issue: New Series, Vol. 48, No. 1252, Dec. 27, 1918
Next Issue: New Series, Vol. 49, No. 1254, Jan. 10, 1919
Front Matter (1 p.)
The American Association for the Advancement of Science
- The Problem of Radioactive Lead, pp. 1-11
- Theodore W. Richards
- Proceedings of the Baltimore Meeting of the American Association for the Advancement of Science, pp. 11-15
- O. E. Jennings
Scientific Events
- The Katmai National Monument, pp. 15-16
- Agricultural Production in the United States, pp. 16-17
- The Edward K. Warren Foundation and Two Wild Life Reservations in Michigan, pp. 17-18
- Alexander G. Ruthven
- The Organization of Yale University and the Sheffield Scientific School, pp. 18-19
Scientific Notes and News, pp. 19-22
University and Educational News, pp. 22-23
Discussion and Correspondence
- Lantern Slides of Northern France, p. 23
- W. M. Davis
- Biological Literature in English, pp. 23-24
- Frank A. Spragg
- A Flowing Artesian Well at Winslow, Maine, pp. 24-25
- Homer P. Little
Scientific Books
- ----------------, pp. 25-26
- Principles and Practise of Milk Hygiene
- Louis A. Klein
- Review author[s]: Leo F. Rettger
Special Articles
- The Oviposition Habit of Gastrophilus nasalis L., p. 26
- A. E. Cameron
Back Matter (1 p.)
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Next Issue: New Series, Vol. 49, No. 1255, Jan. 17, 1919
Front Matter (1 p.)
The American Association for the Advancement of Science
- The Need of Conservation of Our Vital and Natural Resources as Emphasized by the Lessons of the War, pp. 27-31
- Henry Sturgis Drinker
Chemistry and Medicine: A Tribute to the Memory of John Harper Long, pp. 31-38
- Julius Stieglitz
Educational Events
- Biological Surveys of States by the United States Department of Agriculture, p. 38
- The Census Bureau, pp. 38-39
- The Bureau of Standards, pp. 39-40
Scientific Notes and News, pp. 40-43
University and Educational News, p. 43
Discussion and Correspondence
- Two New Instances of Polyembryony among the Encyrtidæ, pp. 43-44
- L. O. Howard
- Foundations of Mechanics, p. 44
- Paul J. Fox
- Tropical Enervation, pp. 44-46
- Vaughan MacCaughey
Scientific Books
- ----------------, p. 46
- Stoichiometry
- Sydney Young
- Review author[s]: J. Livingston R. Morgan
The Proceedings of the National Academy of Sciences, pp. 46-48
- Edwin Bidwell Wilson
Special Articles
- On the Nature of the Pigmentation Changes Following Hypophysectomy in the Frog Larva, pp. 48-50
- Wayne J. Atwell
The Paleontological Society, pp. 50-51
- R. S. Bassler
The American Psychological Association, pp. 51-52
- Herbert Sidney Langfeld
The Optical Society of America, p. 52
- P. G. Nutting
Back Matter (1 p.)
Previous Issue: New Series, Vol. 49, No. 1253, Jan. 3, 1919
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Next Issue: New Series, Vol. 49, No. 1256, Jan. 24, 1919
Front Matter (1 p.)
The American Association for the Advancement of Science
- Scientific Personnel Work in the Army, pp. 53-61
- E. L. Thorndike
Pumpelly's Reminiscences, pp. 61-63
- W. M. D.
Professor Williams at Yale, pp. 63-65
- Herbert E. Gregory
Scientific Events
- An Institute of Physical and Chemical Research for Japan, pp. 65-66
- The Depleted Herds of England, France and Italy, p. 66
- The Use of Nitrate during the War, pp. 66-67
Scientific Notes and News, pp. 67-69
University and Educational News, pp. 69-70
Discussion and Correspondence
- The Lille Society of Sciences, p. 70
- Charles D. Walcott
- Root Pressure and Root Exudation, pp. 70-71
- Ernest Shaw Reynolds
- Generic Limitations, pp. 71-72
- O. A. Stevens
- Fireflies Flashing in Unison, p. 72
- P. T. Barnes
- Negative Results from Attempted Queen Bee Mating in a Double Tent Inclosure, p. 72
- L. V. France
Special Articles
- Spectrum Phenomena Due to Moving Motes, pp. 72-75
- Carl Barus
American Society of Naturalists, pp. 75-76
- Bradley M. Davis
The American Folk-Lore Society, p. 76
The American Anthropological Association, p. 76
Back Matter (1 p.)
Previous Issue: New Series, Vol. 49, No. 1254, Jan. 10, 1919
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Next Issue: New Series, Vol. 49, No. 1257, Jan. 31, 1919
Front Matter (1 p.)
The American Association for the Advancement of Science
- The Physiography of Vermont, pp. 77-81
- George H. Perkins
What Kinds of Botany Does the World Need Now?, pp. 81-84
- George J. Peirce
David Ernest Lantz, pp. 84-85
- Ned Dearborn
Professor Ludvig Sylow, p. 85
- G. A. Miller
Scientific Events
- The British Glassware Industry, pp. 85-86
- The Study of Industrial Fatigue, pp. 86-87
- State Parks for Iowa, p. 87
- The Plans of the Rockefeller Foundation, pp. 87-88
Scientific Notes and News, pp. 88-91
University and Educational News, p. 91
Discussion and Correspondence
- Eucalyptus Never Present in North America, pp. 91-92
- Edward W. Berry
- The Richardton Meteorite, pp. 92-93
- Terence T. Quirke
Scientific Books
- ----------------, pp. 93-94
- Catalogue of Birds of the Americas
- Charles B. Cory
- Review author[s]: Harry C. Oberholser
Special Articles
- Psychological Research in Aviation, pp. 94-97
- Knight Dunlap
The Mathematical Association of America, pp. 97-98
- W. D. Cairns
American Society of Zoologists, pp. 98-100
Back Matter (1 p.)
Previous Issue: New Series, Vol. 49, No. 1255, Jan. 17, 1919
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Next Issue: New Series, Vol. 49, No. 1258, Feb. 7, 1919
Front Matter (1 p.)
The American Association for the Advancement of Science
- Zoological Aims and Opportunities, pp. 101-112
- Herbert Osborn
- The American Association for the Advancement of Science and Scientific Organization, pp. 112-114
Scientific Events
- Theodore Roosevelt and the Society of American Foresters, p. 114
- Resolutions in Memory of President Van Hise, pp. 114-115
- An Inter-Allied Fellowship of Medicine, pp. 115-116
- The Production of Quicksilver in 1918, p. 116
Scientific Notes and News, pp. 116-119
University and Educational News, p. 119
Discussion and Correspondence
- An Uncommon Ice Formation, pp. 119-120
- Frederick A. Lovejoy; Francis H. Allen
- Celluloid Lantern Slides, p. 120
- Ralph G. Hudson
- Holding Large Specimens for Dissection, pp. 120-121
- John M. Long
Scientific Books
- ----------------, pp. 121-122
- Review author[s]: Charles Schuchert
Special Articles
- A Method of Demonstrating the Difference-Tones, p. 122
- Paul F. Gaehr
The American Association for the Advancement of Science
- Report of the Treasurer for 1918, pp. 122-124
- Section E--Geology and Geography, p. 124
- Rollin T. Chamberlin
- Section H--Anthropology and Psychology, pp. 125-126
- E. K. Strong
The Society of American Foresters, p. 126
- Paul D. Kelleter
Back Matter (1 p.)
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Next Issue: New Series, Vol. 49, No. 1259, Feb. 14, 1919
Front Matter (1 p.)
The American Association for the Advancement of Science
- Variable Stars, pp. 127-139
- Henry Norris Russell
Charles Rochester Eastman, pp. 139-141
- Bashford Dean
Scientific Events
- The Forest Service in War Times, pp. 141-142
- Deaths from Influenza and Pneumonia, pp. 142-143
- Salt Requirements of Representative Agricultural Plants, p. 143
- Meeting of the American Institute of Mining Engineers, pp. 143-144
Scientific Notes and News, pp. 144-146
University and Educational News, p. 146
Discussion and Correspondence
- On Monkeys Trained to Pick Coco Nuts, pp. 146-147
- E. W. Gudger
- Hay-Fever and a National Flower, pp. 147-148
- Horace Gunthorp
Scientific Books
- ----------------, p. 148
- The Theory of Relativity of Motion
- R. C. Tolman
- Review author[s]: H. B. Phillips
Special Articles
- On Explaining Mendelian Phenomena, pp. 148-149
- Loye Holmes Miller
- Silexite: A New Rock Name, p. 149
- William J. Miller
The Western Society of Naturalists, pp. 149-150
The Tennessee Academy of Science, p. 150
- Roscoe Nunn
Back Matter (1 p.)
Previous Issue: New Series, Vol. 49, No. 1257, Jan. 31, 1919
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Next Issue: New Series, Vol. 49, No. 1260, Feb. 21, 1919
Front Matter (1 p.)
Edward Charles Pickering, pp. 151-155
- Henry Norris Russell
The American Association for the Advancement of Science
- Some Recent Contributions to the Physics of the Air, pp. 155-163
- W. T. Humphreys
Scientific Events
- Memorial to Lewis Henry Morgan, p. 163
- The British Dye Industry, pp. 163-164
- Distribution of the Membership of the American Chemical Society, pp. 164-165
Scientific Notes and News, pp. 165-169
University and Educational News, p. 169
Discussion and Correspondence
- Applied Psychology, pp. 169-170
- E. B. Titchener
- The Publication of Isis, pp. 170-171
- George Sarton
- A Steady Calendar, p. 171
- W. M. Davis
Scientific Books
- ----------------, pp. 171-172
- Review author[s]: W. J. Crozier
The Geological Society of America, pp. 172-174
- Edmund Otis Hovey
The American Phytopathological Society, p. 174
- C. L. Shear
Back Matter (1 p.)
Previous Issue: New Series, Vol. 49, No. 1258, Feb. 7, 1919
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Next Issue: New Series, Vol. 49, No. 1261, Feb. 28, 1919
Front Matter (1 p.)
The American Association for the Advancement of Science
- Valence, pp. 175-182
- William Albert Noyes
- Some Recent Contributions to the Physics of the Air. II, pp. 182-188
- W. J. Humphreys
Scientific Events
- The History of Medieval Institutions, p. 188
- Activity of Kilauea Volcano, pp. 188-189
- A Proposed American Society of Mammalogists, p. 189
Scientific Notes and News, pp. 189-191
University and Educational News, p. 191
Discussion and Correspondence
- A Standard Scientific Alphabet, pp. 191-192
- J. C. Ruppenthal
- Nonsilverable Containers for Silvering Mirrors, pp. 192-193
- W. W. Coblentz
- Systematic Papers Published in the German Language, p. 193
- G. F. Hampson
Scientific Books
- ----------------, pp. 193-195
- A Synopsis of the Bats of California
- Hilda Wood Grinnell
- Review author[s]: Walter P. Taylor
Botanical Abstracts, pp. 195-196
- J. R. Schramm
Special Articles
- Non-Specific Protein Antigens Prepared from Shattered Hemo-Proteins, pp. 196-197
- Clyde Brooks
- A Bio-Chemical Theory of the Origin of Indianaite, p. 197
- William N. Logan
The American Physical Society, pp. 197-198
- Dayton C. Miller
Back Matter (1 p.)
Previous Issue: New Series, Vol. 49, No. 1259, Feb. 14, 1919
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Next Issue: New Series, Vol. 49, No. 1262, Mar. 7, 1919
Front Matter (1 p.)
The American Association for the Advancement of Science
- Some Responsibilities of Botanical Science, pp. 199-207
- Burton Edward Livingston
Industrial Research in Ontario and Prussia Compared, pp. 208-209
- A. F. Hunter
Scientific Events
- The London Imperial College of Science and Technology, pp. 209-210
- Classification of Lands by the Geological Survey, p. 210
- Civil Service Examinations, pp. 210-211
- The Committee on Grants of the American Association for the Advancement of Science, p. 211
- Joel Stebbins
Scientific Notes and News, pp. 211-214
University and Educational News, p. 214
Discussion and Correspondence
- Electro-Thermo-Regulator for Water Baths, pp. 214-215
- Chester I. Hall
- Common Numerals, p. 215
- G. A. Miller
- Psychological Research for Aviators, pp. 215-216
- E. L. Thorndike; Knight Dunlap
Quotations
- The History of Influenza, pp. 216-217
Scientific Books
- ----------------, p. 217
- A Text-Book of Precious Stones
- Frank B. Wade
- Review author[s]: Oliver C. Farrington
Special Articles
- Pink Root of Onions, pp. 217-218
- J. J. Taubenhaus
- A Chromosome Difference between the Sexes of Sphærocarpos texanus, pp. 218-219
- Martha A. Schacke
The American Association for the Advancement of Science
- Section M--Agriculture, pp. 219-220
- E. W. Allen
Back Matter (1 p.)
Previous Issue: New Series, Vol. 49, No. 1260, Feb. 21, 1919
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Next Issue: New Series, Vol. 49, No. 1263, Mar. 14, 1919
Front Matter (1 p.)
The Measurement and Utilization of Brain Power in the Army, pp. 221-226
Radium Production, pp. 227-228
- Charles H. Viol
Statistical Study of the Influenza Epidemic, pp. 228-230
- Edwin W. Kopf
Scientific Events
- George Francis Atkinson, p. 230
- Medical Research in Australia, pp. 230-231
- The British Guiana Research Station of the New York Zoological Society, p. 231
Scientific Notes and News, pp. 232-236
University and Educational News, p. 236
Discussion and Correspondence
- The Katmai National Monument and the Valley of Ten Thousand Smokes, pp. 236-237
- Robert F. Griggs
- Hereditary Deficiencies in the Sense of Smell, pp. 237-239
- Charles R. Stockard
Quotations
- The Organization of Research in Great Britain, pp. 239-241
Special Articles
- The Relation of the Sector Opening of the Sector Photometer to the Extinction Coefficient, pp. 241-243
- H. S. Newcomer
The American Association of Variable Star Observers, pp. 243-244
- L. C.
Previous Issue: New Series, Vol. 49, No. 1261, Feb. 28, 1919
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Next Issue: New Series, Vol. 49, No. 1264, Mar. 21, 1919
Front Matter (1 p.)
The University and Public Health, pp. 245-251
- George E. Vincent
The Measurement and Utilization of Brain Power in the Army, II, pp. 251-259
Scientific Events
- Proposed Map of Brazil on the Scale of One to a Million, pp. 259-260
- Scientific Meeting of the British Medical Association, p. 260
- Proposed Magnetic and Allied Observations during the Total Solar Eclipse of May 29, 1919, pp. 260-261
- Louis A. Bauer
Scientific Notes and News, pp. 261-263
University and Educational News, pp. 263-264
Discussion and Correspondence
- An Appeal from Belgium, pp. 264-265
- Philip P. Calvert
- Cross-Section Lines on Blackboards and Their Illumination, p. 265
- Paul F. Gaehr
- Concerning the Manufacture of Sulphonic Acids, p. 265
- D. F. Houston
Scientific Books
- ----------------, pp. 265-266
- British Antarctic (Terra Nova) Expedition, 1910. Natural History Report, Zoology, II., No. 8. Brachiopoda
- J. Wilfrid Jackson
- Review author[s]: W. H. Dall
Special Articles
- Rotary Vertigo in the Tail-Spin, pp. 266-267
- M. A. Raines
The Galton Society for the Study of the Origin and Evolution of Man, pp. 267-268
- W. K. Gregory
Back Matter (1 p.)
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Next Issue: New Series, Vol. 49, No. 1265, Mar. 28, 1919
Front Matter (1 p.)
Botanical Participation in War Work, pp. 269-274
- George T. Moore
Samuel Wendell Williston, pp. 274-278
- Henry Fairfield Osborn
Scientific Events
- The British Ministry of Health Bill, pp. 278-279
- The College of Fisheries at the University of Washington, Seattle, pp. 279-280
- Buffalo Meeting of the American Chemical Society, p. 280
Scientific Notes and News, pp. 281-283
University and Educational News, p. 283
Discussion and Correspondence
- Desmognathus fuscus (Sic), pp. 283-284
- P. Chalmers Mitchell; Wm. Evans Hoyle
- Hay Fever and the National Flower, pp. 284-285
- W. Scheppegrell
Scientific Books
- ----------------, pp. 285-286
- Review author[s]: A. M.
The National Academy of Sciences, pp. 286-288
- Edwin Bidwell Wilson
Special Articles
- Opportunities for Contact Infection, pp. 288-291
- George T. Palmer
- A Preliminary Note on a Bacterial Disease of Foxtail, p. 291
- H. H. Rosen
The American Metric Association, pp. 291-292
Back Matter (1 p.)
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Next Issue: New Series, Vol. 49, No. 1266, Apr. 4, 1919
Front Matter (1 p.)
Horticulture as a Profession, pp. 293-300
- C. Stuart Gager
Letter on the Smithsonian Institution, pp. 300-301
Scientific Events
- Charles Leander Doolittle, p. 302
- Edwin S. Crawley; Henry Brown Evans; Samuel G. Barton
- Airplane Fuel, p. 302
- National Research Fellowships in Physics and Chemistry Supported by the Rockefeller Foundation, pp. 302-303
Scientific Notes and News, pp. 303-307
University and Educational News, p. 307
Discussion and Correspondence
- German Terms in Anatomy, pp. 307-310
- Frederic T. Lewis
- A Simple Covering Device for the Ocular of the Microscope, p. 310
- Clell Lee Metcalf
- Curious Differentiation in Frost Effects, pp. 310-311
- T. G. Dabney
Quotations
- How to Avoid Influenza, pp. 311-312
Scientific Books
- ----------------, pp. 312-314
- Life Zone Investigations in Wyoming
- Merritt Cary
- Review author[s]: Harry C. Oberholser
Special Articles
- A Chart of Organic Chemistry, Aliphatic Series, p. 314
- Alexander Lowy
Back Matter (1 p.)
Previous Issue: New Series, Vol. 49, No. 1264, Mar. 21, 1919
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Next Issue: New Series, Vol. 49, No. 1267, Apr. 11, 1919
Front Matter (1 p.)
Medicine and Growth, pp. 315-322
- Henry H. Donaldson
William Erskine Kellicott, pp. 322-323
- Robert A. Budington
Scientific Events
- The Directorship of the British Natural History Museum, pp. 323-324
- The Inyo Range and the Mount Whitney Region, pp. 324-325
- The Journal of ``Natural History'', p. 325
- Degrees in Public Health, pp. 325-326
Scientific Notes and News, pp. 326-328
University and Educational News, p. 328
Discussion and Correspondence
- ``Old Age'' of Chemical Elements, pp. 328-329
- Ingo W. D. Hackh
- Desiccated Vegetables, pp. 329-330
- Philip B. Hawk
- Nonsilverable Containers for Silvering Mirrors, p. 330
- Herbert E. Ives
- Ad Rem of a History of Sciences in the United States, pp. 330-331
- Felix Neumann
Scientific Books
- ----------------, pp. 332-333
- Electroanalysis
- Edgar F. Smith
- Review author[s]: Colin G. Fink
Report of the Committee on Generic Types of the Botanical Society of America, pp. 333-336
- A. S. Hitchcock
Special Articles
- Temperature and Vertebræ in Fishes; a Suggested Test, pp. 336-337
- David Starr Jordan
The American Association of Petroleum Geologists, pp. 337-338
Back Matter (1 p.)
Previous Issue: New Series, Vol. 49, No. 1265, Mar. 28, 1919
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Next Issue: New Series, Vol. 49, No. 1268, Apr. 18, 1919
Front Matter (1 p.)
The Unification of American Botany, pp. 339-345
- G. R. Lyman
The Elementary Course in Zoology--Is It Satisfactory?, pp. 345-347
- C. E. McClung
Wallace Clement Ware Sabine, pp. 347-350
- Edwin H. Hall; C. N. Greenough; P. W. Bridgeman
Scientific Events
- The Gaspé Bird Reserves, pp. 350-351
- John M. Clarke
- Reorganization of Farm Management Office, pp. 351-352
- Corporation Chemistry, p. 352
- Memorial Professorship to Dr. James Jackson Putnam, 1846-1918, pp. 352-353
- H. P. Walcott; Charles C. Jackson; Edward W. Emerson; Edward H. Bradford; Moorefield Storey
Scientific Notes and News, pp. 353-355
University and Educational News, pp. 355-356
Discussion and Correspondence
- Patent Reform Prospects, p. 356
- Bert Russell
- A Standard Scientific Alphabet, pp. 356-357
- A. Fanti
- Dr. Moodie's Opisthotonus, p. 357
- Bashford Dean
- Field Work in Arizona, pp. 357-358
- F. M. Perry
Quotations
- Science in the British Parliament, pp. 358-359
Scientific Books
- ----------------, pp. 359-360
- Review author[s]: Frederic T. Lewis
Special Articles
- Note on the Technique of Solution Culture Experiments with Plants, pp. 360-362
- D. R. Hoagland
- Unheated Egg-Yolk Media, p. 362
- G. F. White
Back Matter (1 p.)
Previous Issue: New Series, Vol. 49, No. 1266, Apr. 4, 1919
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Front Matter (1 p.)
The Botanical Opportunity, pp. 363-367
- John M. Coulter
Psychiatry and the War, pp. 367-369
- W. H. R. Rivers
Intellectual Intercourse between Allied and Friendly Countries, pp. 369-371
- Giorgio Abetti
George Francis Atkinson, pp. 371-372
- Harry M. Fitzpatrick
Scientific Events
- The Germs of Influenza and Yellow Fever, pp. 372-374
- Lectures by Professor Blaringhem, p. 374
- National Research Council, p. 374
- The American Society of Mammalogists, pp. 374-375
Scientific Notes and News, pp. 375-377
University and Educational News, p. 377
Discussion and Correspondence
- On Some Proboscideans of the State of New York, pp. 377-379
- O. P. Hay
- Human Flying, pp. 379-380
- M. E. Wadsworth
- Keeping Step, p. 380
- Walter Moore Coleman
Quotations
- The Organization of Research in Great Britain, pp. 380-381
Scientific Books
- ----------------, pp. 381-382
- Review author[s]: Hugo De Vries
Preliminary Report of Experiments on the Action of Dichloroethylsulfide (Mustard Gas) on the Cells of Marine Organisms, pp. 382-385
- R. S. Lillie; G. H. A. Clowes; R. Chambers
Special Articles
- On Herschell's Fringes, pp. 385-386
- Carl Barus
Back Matter (1 p.)
Previous Issue: New Series, Vol. 49, No. 1267, Apr. 11, 1919
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Front Matter (1 p.)
Research as a University Function, pp. 387-391
- J. C. Arthur
Raphael Blanchard (1858-1919), pp. 391-392
- F. H. Garrison
John Wallace Baird, pp. 393-394
- E. B. Titchener
Scientific Events
- Rewards for British War Inventions, pp. 394-395
- The Revision of Pritzel's Botanical Dictionary, p. 395
- German Science after the War, pp. 395-396
- Appropriations for the Kansas State Agricultural College, p. 396
Scientific Notes and News, pp. 396-400
University and Educational News, p. 400
Discussion and Correspondence
- Basis of the Geometrical Mean as a B. Coli Index, pp. 400-402
- William Firth Wells
- Cardium Corbis a Monœcious Bivalve, p. 402
- C. H. Edmondson
- The Passenger Pigeon, p. 402
- F. R. Welsh
Quotations
- The British Birth Rate, pp. 402-403
Scientific Books
- ----------------, pp. 403-404
- The Pygidiidœ, a Family of South American Catfishes
- C. H. Eigenmann
- Review author[s]: A. S. Pearse
The Paris Academy of Sciences, p. 404
- K.
Special Articles
- Some Physical Improvements in National Army Men under Military Training, pp. 404-408
- F. M. Hildebrandt
Back Matter (1 p.)
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Front Matter (1 p.)
Cooperation between Zoological Laboratories and the Government Bureaus, pp. 409-412
- E. W. Nelson
The History of Poison Gases, pp. 412-417
- Clarence J. West
Duty Free Supplies, pp. 417-419
- Thomas B. Freas; W. L. Estabrooke
Scientific Events
- The Use of Reinforced Concrete in Shipbuilding, pp. 419-420
- Education and Science in the British Civil Service Estimates, pp. 420-421
Scientific Notes and News, pp. 421-422
University and Educational News, p. 422
Discussion and Correspondence
- Erroneous Generic Determinations of Bees, pp. 422-423
- Charles Robertson
- Geomorphology, pp. 423-424
- C. A. Cotton
- ``A Wave of Life'', p. 424
- G. B. Claycomb
Quotations
- The Physiology of a Working Day, pp. 424-425
Scientific Books
- ----------------, pp. 425-426
- Injurious Insects and Useful Birds
- F. L. Washburn
- Review author[s]: W. E. Britton
Anthropological Research, pp. 426-427
- Franz Boas; Aleš Hrdlička; Alfred M. Tozzer
Special Articles
- Egg-Weight as a Criterion of Numerical Production in the Domestic Fowl, pp. 427-429
- Philip Hadley
Societies and Academies, pp. 429-430
Back Matter (1 p.)
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Front Matter (1 p.)
The Physiology of the Aviator, pp. 431-441
- Yandell Henderson
A New Deposit of Uranium Ore, pp. 441-443
- S. C. Lind; C. W. Davis
Scientific Events
- Conference on High School Biology, p. 443
- Appointments at Harvard University, p. 444
- The National Academy of Sciences, pp. 444-445
Scientific Notes and News, pp. 445-446
Educational Notes and News, p. 447
Discussion and Correspondence
- Apropos of the Proposed Historical Science Section, pp. 447-448
- G. A. Miller
- Vitamin Tests with Chicks, p. 448
- R. J. Seymour; E. P. Durrant
Quotations
Scientific Books
- ----------------, pp. 449-450
- Review author[s]: Walter P. Taylor
Special Articles
- To Cut off Large Tubes of Pyrex Glass, pp. 450-451
- Chas. T. Knipp
The Illinois State Academy of Science, pp. 451-452
- J. L. Pricer
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Front Matter (1 p.)
The American Society of Zoologists
- Methods of Securing Better Co-Operation between Government and Laboratory Zoologists in the Solution of Problems of General or National Importance, pp. 453-458
- L. O. Howard; J. G. Needham
The National Research Council, pp. 458-462
The Industrial Fellowships of the Mellon Institute, pp. 462-465
Scientific Events
- Mineral Deposits in the United States, pp. 465-466
- Summer Biological Stations, pp. 466-467
- Distinguished Service Medals, p. 467
Scientific Notes and News, pp. 467-470
University and Educational News, p. 470
Discussion and Correspondence
- An Immune Variety of Sugar Cane, pp. 470-472
- C. O. Townsend
- The Use of Poison Gas, p. 472
- Henry Leffmann
Scientific Books
- Renaissance Anatomy, pp. 472-474
- Review author[s]: Roy L. Moodie
Special Articles
- Notes on Certain Conglomeratic Structures in Limestones in Central Pennsylvania, p. 474
- Harry N. Eaton
Minutes of the Committee on Policy of the American Association for the Advancement of Science, pp. 474-475
- L. O. Howard
The Utah Academy of Sciences, pp. 475-476
- C. Arthur Smith
The Kansas Academy of Science, p. 476
- E. A. White
Back Matter (1 p.)
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Front Matter (1 p.)
Fifty Years of the American Museum of Natural History, pp. 477-481
- Henry Fairfield Osborn
Herbert Huntington Smith, pp. 481-483
- W. J. Holland
The American Association for the Advancement of Science
- Pasadena Meeting of the Pacific Division, pp. 483-487
A Union of Scientific Federal Employees, pp. 487-489
- R. H. True; P. G. Agnew
Scientific Events
- A British Geodetic and Geodynamic Institute, pp. 489-490
- The Cawthron Institute, pp. 490-491
- Anthropological Explorations of Alaska, p. 491
- A Department of Forest Recreation of the New York State College of Forestry, pp. 491-492
Scientific Notes and News, pp. 492-495
University and Educational News, p. 495
Discussion and Correspondence
- On the Auroral Display of May 2, 1919, pp. 495-497
- Enoch Karrer; E. P. T. Tyndall; G. Irving Gavett
- The History of Science, p. 497
- George Sarton
Quotations
- The Obstruction of Medical Research in Great Britain, pp. 497-498
Scientific Books
- ----------------, pp. 498-499
- The Game Birds of California
- Joseph Grinnell; Harold Child Bryant; Tracy Irwin Storer
- Review author[s]: W. S.
Special Articles
- The Susceptibility of a Non-Rutaceous Host to Citrus Canker, pp. 499-500
- H. Atherton Lee; Elmer D. Merrill
The Nebraska Academy of Sciences, p. 500
Back Matter (1 p.)
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Front Matter (1 p.)
The Lessons of the Pandemic, pp. 501-506
- George A. Soper
The Freas System, pp. 506-508
- W. L. Estabrooke
Organization Meeting of the American Section of the Proposed International Astronomical Union, pp. 508-510
- Joel Stebbins
Scientific Events
- War Researches at St. Andrews University, pp. 510-511
- The Department of Bacteriology and Public Health in Yale University, p. 511
- Base Hospital No. 21 of the Washington University School of Medicine, pp. 511-512
- The Chemical Warfare Service, p. 512
- The Division of Applied Psychology of the Carnegie Institute of Technology, pp. 512-513
Scientific Notes and News, pp. 513-515
University and Educational News, pp. 515-516
Discussion and Correspondence
- Quantitative Character-Measurements in Color Crosses, pp. 516-517
- H. F. Roberts
- Surplus Bison for Museums, p. 517
- Harlan I. Smith
- Information Service for Experimental Biologists, pp. 517-518
- E. D. Brown
Scientific Books
- ----------------, pp. 518-519
- The Mineral Deposits of South America
- Benjamin L. Miller; Joseph T. Singewald
- Review author[s]: Adolph Knopf
The Ecology of North American Lymnæidæ, pp. 519-521
- Frank Collins Baker
Special Articles
- Sound and Flash Ranging, pp. 521-523
- Augustus Trowbridge
The American Mathematical Society, pp. 523-524
- F. N. Cole
Back Matter (1 p.)
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Front Matter (1 p.)
Sir Joseph Hooker, pp. 525-530
- T. D. A. Cockerell
A Suggestion from Plato, with Others, pp. 530-533
- A. W. Meyer
The Roosevelt Wild-Life Forest Experiment Station, pp. 533-534
- Charles C. Adams
Gabriel Marcus Green, pp. 534-535
- William F. Osgood; Leo Wiener; Dunham Jackson
Scientific Events
- Inter-Allied Cooperation in Chemistry, pp. 535-536
- The British Imperial Antarctic Expedition, p. 536
- Outline Map of the United States, pp. 536-537
- The Leconte Memorial Lecture in the Yosemite, 1919, pp. 537-538
Scientific Notes and News, pp. 538-540
University and Educational News, pp. 540-541
Discussion and Correspondence
- The Cumberland Falls Meteorite, pp. 541-542
- Arthur M. Miller
- On the Auroral Display of May 2, 1919, p. 542
- Charles F. Brooks
- Meeting of Plant Pathologists on Long Island to Discuss Potato Diseases, pp. 542-543
- M. F. Barrus
Scientific Books
- ----------------, pp. 543-544
- Appendages of Trilobites
- Charles D. Walcott
- Review author[s]: G. R. Brigham
Special Articles
- Presoaking as a Means of Preventing Seed Injury Due to Disinfectants and of Increasing Germicidal Efficiency, pp. 544-545
- Harry Braun
The American Philosophical Society, pp. 545-550
- Arthur W. Goodspeed
Back Matter (1 p.)
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Front Matter (1 p.)
The Scientific Spirit, pp. 551-558
- Maynard M. Metcalf
Scientific Events
- International Cooperation in Medicine, p. 558
- The Total Eclipse of the Sun, pp. 558-559
- Mapping from the Air, p. 559
- Fifth National Exposition of Chemical Industries, pp. 559-561
Scientific Notes and News, pp. 561-563
University and Educational News, pp. 563-564
Discussion and Correspondence
- Radium Production, pp. 564-566
- R. B. Moore
Quotations
- The Future of Medicine, pp. 566-568
Scientific Books
- ----------------, pp. 568-569
- Review author[s]: Harry C. Oberholser
Special Articles
- The Amphibioidei, a Group of Fishes Proposed to Include the Crossopterygii and the Dipneusti, pp. 569-570
- Carl L. Hubbs
The Buffalo Meeting of the American Chemical Society, pp. 570-574
- Charles L. Parsons
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Front Matter (1 p.)
The Airplane in Surveying and Mapping, pp. 575-582
- E. Lester Jones
Training in Sugar Technology in Hawaii, pp. 582-584
- Vaughan MacCaughey
Scientific Events
- Loan Exhibition of Early Scientific Instruments at Oxford, p. 584
- A National Policy of Forest Preservation, pp. 584-585
- Publications of the American Medical Association, pp. 585-586
- The Ramsay Memorial Fund, p. 586
Scientific Notes and News, pp. 586-589
University and Educational News, p. 589
Discussion and Correspondence
- The Valley of Ten Thousand Smokes, pp. 589-591
- J. W. Shipley
Quotations
Scientific Books
- ----------------, pp. 592-594
- Review author[s]: Henry Fairfield Osborn
Special Articles
- The Reason Meat Increases Oxidation in the Body More than Fat or Sugar, pp. 594-595
- W. E. Burge
The Buffalo Meeting of the American Chemical Society. II, pp. 595-598
- Charles L. Parsons
Back Matter (1 p.)
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Next Issue: New Series, Vol. 50, No. 1279, Jul. 4, 1919
Front Matter (1 p.)
The Pacific Division of the American Association for the Advancement of Science
- Growth in Organisms, pp. 599-605
- D. T. MacDougal
Joseph Barrell, pp. 605-607
- Charles Schuchert
Scientific Events
- The Solar Eclipse, pp. 607-608
- Revista Matematica Hispano-Americana, pp. 608-609
- G. A. Miller
- Expeditions of the California Academy of Sciences, p. 609
- Foreign Delegates and Guests at the Atlantic City Meeting of the American Medical Association, pp. 609-610
- Honorary Degrees at Yale University, p. 610
Scientific Notes and News, pp. 610-611
University and Educational News, pp. 611-612
Discussion and Correspondence
- Tectonic Form of the Continents, pp. 612-613
- Charles Keyes
- American Assistance for Russian Educational Institutions, pp. 613-614
- N. Borodin
Scientific Books
- ----------------, pp. 614-615
- The Elements of Astronomy
- Charles A. Young
- Lessons in Astronomy
- Charles A. Young
- Review author[s]: Charles Lane Poor
Special Articles
- Further Studies in Colloid Chemistry and Soap, pp. 615-618
- Martin H. Fischer
The Buffalo Meeting of the American Chemical Society. III, pp. 618-620
- Charles L. Parsons
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Volume Information (8 pp.)
Front Matter (1 p.)
Methods of Securing Better Cooperation between Government and Laboratory Zoologists in the Solution of Problems of General or National Importance, pp. 1-8
- H. M. Smith; Henry B. Ward
Medicine, a Determining Factor in War, pp. 8-11
Walter Gould Davis, pp. 11-13
- Robert DeC. Ward
Scientific Events
- The Volcanic Eruption in Java, p. 13
- Expedition from the California Museum of Vertebrate Zoology to Alaska, pp. 13-14
- International Engineering Standardization, pp. 14-15
- Resolutions of the American Federation of Labor on Scientific Research, p. 15
- National Research Fellowships, pp. 15-16
Scientific Notes and News, pp. 16-18
University and Educational News, pp. 18-19
Discussion and Correspondence
- Metcalf and Bell upon Salpidæ, pp. 19-20
- Maynard M. Metcalf
- ``Working Up'' in a Swing, pp. 20-21
- Arthur Taber Jones
- A Quick Method of Eliminating Seed-Borne Organisms of Grain, p. 21
- I. E. Melhus; L. L. Rhodes
Scientific Books
- ----------------, pp. 21-23
- The Grand Fleet, 1914-1916
- Viscount Jellicoe
- Review author[s]: A. M.
Special Articles
- Variations in the Electrical Potential of the Earth, pp. 23-24
- Francis E. Nipher
The Buffalo Meeting of the American Chemical Society. IV, pp. 24-26
- Charles L. Parsons
Back Matter (1 p.)
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Next Issue: New Series, Vol. 50, No. 1281, Jul. 18, 1919
Front Matter (1 p.)
Methods of Securing Better Cooperation between Government and Laboratory Zoologists in the Solution of Problems of General or National Importance, pp. 27-30
- B. H. Ransom; Herbert Osborn
The Threatened Extinction of the Box Huckleberry, Gaylussacia brachycera, pp. 30-34
- Frederick V. Coville
Vinal N. Edwards, pp. 34-35
- Hermon C. Bumpus
Scientific Events
- The Lister Institute, pp. 35-36
- Science in Australia, p. 36
- Sigma Xi at Syracuse University, pp. 36-37
- The Tropical Research Station of the New York Zoological Society in British Guiana, p. 37
Scientific Notes and News, pp. 37-40
University and Educational News, p. 40
Discussion and Correspondence
- The Discovery of Caculus, pp. 41-43
- Arthur S. Hathaway
- The Poor Diener, p. 43
- E. R. L.
Scientific Books
- Recent Paleobotany in Great Britain, pp. 43-48
- Review author[s]: A. C. Seward
Special Articles
- The Black Chaff of Wheat, p. 48
- Erwin F. Smith; L. R. Jones; C. S. Reddy
The Buffalo Meeting of the American Chemical Society. V, pp. 48-50
- Charles L. Parsons
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Next Issue: New Series, Vol. 50, No. 1282, Jul. 25, 1919
Front Matter (1 p.)
Democratic Coordination of Scientific Efforts, pp. 51-55
- H. H. Whetzel
On Duty-Free Importation, pp. 55-58
- C. H. Ash
The Division of Engineering National Research Council, pp. 58-60
- Galen H. Clevenger
Scientific Events
- The Watt Centenary, p. 60
- The Shortage of Coal in Europe, pp. 60-61
- The Proposed Medical Foundation for New York City, pp. 61-62
- The Philadelphia Meeting of the American Chemical Society, p. 62
Scientific Notes and News, pp. 62-65
University and Educational News, pp. 65-66
Discussion and Correspondence
- The History of Science and the American Association for the Advancement of Science, pp. 66-68
- Frederick E. Brasch
- The Needs of Paleobotany, pp. 68-69
- G. R. Wieland
- Gravitational Attraction and Uranium Lead, pp. 69-70
- Anders Bull
- Working up in a Swing, pp. 70-71
- V. Karapetoff; Paul E. Klopsteg
Scientific Books
- ----------------, p. 71
- Sewage Disposal
- Leonard P. Kinnicutt
- Review author[s]: George W. Fuller
Special Articles
- The Possible Presence of Coronium in Helium from Natural Gas, pp. 71-72
- Hamilton P. Cady; Howard McKee Elsey
The Iowa Academy of Science, pp. 72-74
- James H. Lees
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Next Issue: New Series, Vol. 50, No. 1283, Aug. 1, 1919
Front Matter (1 p.)
Sigma Xi and the Future, pp. 75-81
- F. K. Richtmyer
Zoological Aims and Opportunities, pp. 81-84
- Willard G. Van Name
Scientific Events
- The Anthropological Society of Philadelphia, pp. 84-85
- The British National Physical Laboratory, p. 85
- The New British Antarctic Expedition, pp. 85-86
- Distinguished Service Medals, p. 86
Scientific Notes and News, pp. 86-88
University and Educational News, pp. 88-89
Discussion and Correspondence
- Limicolous oligochæta for Laboratory Use, pp. 89-90
- F. H. Krecker
- The Cumberland Falls Meteorite, p. 90
- Geo. P. Merrill
- The Third Edition of the Biographical Directory of the American Men of Science, p. 90
- J. McKeen Cattell
Scientific Books
- ----------------, p. 91
- The Indigenous Land Mammals of Porto Rico, Living and Extinct, Memoirs of the American Museum of Natural History
- H. E. Anthony
- Review author[s]: Roy L. Moodie
- ----------------, p. 91
- The Boys' Book of Chemistry
- Charles Ramsay Clarke
- Review author[s]: H. P. Talbot
Notes on Meteorology and Climatology, pp. 91-93
- Charles F. Brooks
Special Articles
- A Chart of Organic Chemistry, Aromatic Series, pp. 93-95
- Alexander Lowy
The Kentucky Academy of Science, pp. 95-96
- Alfred M. Peter
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Front Matter (1 p.)
A National Laboratory of Human Nutrition, pp. 97-100
- Graham Lusk
The Irwin Expedition, pp. 100-102
- Carl H. Eigenmann
Dr. Abraham Jacobi (1830-1919), pp. 102-104
- F. H. Garrison
Scientific Events
- The British Scientific Products Exhibition, pp. 104-105
- The British Parliament and Medical Research, pp. 105-106
- A Bill for a National Department of Health, pp. 106-107
- The Rockefeller Institute of Medical Research, p. 107
- The Ramsay Memorial, pp. 107-108
Scientific Notes and News, pp. 108-111
University and Educational News, p. 111
Discussion and Correspondence
- Laboratory Instruction in Chemistry; Its Aims and Its Limitations, pp. 112-114
- Arthur A. Blanchard
- Meteorology and the Trans-Atlantic Flight, pp. 114-115
- R. DeC. Ward
Quotations
- British Science and Industry, p. 115
Scientific Books
- ----------------, pp. 115-116
- The Turtles of New England
- Harold L. Babcock
- Review author[s]: J. T. Nichols
Special Articles
- The Fungus Parasite of the Periodical Cicada, pp. 116-117
- A. T. Speare
The Ohio Academy of Science, pp. 117-118
- Edward L. Rice
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Front Matter (1 p.)
Problems of Population of the North Pacific Area as Dependent upon the Biology, the Oceanography, and the Meteorology of the Area, pp. 119-125
- Wm. E. Ritter
Some Necessary Steps in Any Attempt to Prove Insect Transmission or Causation of Disease, pp. 125-130
- W. Dwight Pierce
The U. S. Food Administration's War Flour, pp. 130-132
- Harry Snyder
Edward Cowles, pp. 132-133
- G. Stanley Hall
Scientific Events
- Game Conservation in Canada, pp. 133-134
- A Collecting Boat for the New York Aquarium, p. 134
- C. H. Townsend
- The National Research Council and the Rockefeller Foundation, pp. 134-135
- The Patron's Medal of the Royal Geographical Society, p. 135
Scientific Notes and News, pp. 135-137
University and Educational News, pp. 137-138
Discussion and Correspondence
- Three Fourths of an Octave Farther in the Ultra-Violet, pp. 138-139
- R. A. Millikan; R. A. Sawyer
- The Problem of the Boy in the Swing, pp. 139-140
- Henry Crew
Scientific Books
- ----------------, pp. 140-141
- The Evolution of the Earth and Its Inhabitants
- Joseph Barrell; Charles Schuchert; Lorande Loss Woodruff; Richard Swan Lull; Ellsworth Huntington
- Review author[s]: Roy L. Moodie
Special Articles
- A Practical Long-Period Seismograph, pp. 141-142
- Arnold Romberg
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Next Issue: New Series, Vol. 50, No. 1286, Aug. 22, 1919
Front Matter (1 p.)
The Responsibilities of the Scientist, pp. 143-146
- George Ellery Hale
The Press as an Intermediary between the Investigator and the Public, pp. 146-150
- Chester H. Rowell
Emil Fischer, pp. 150-154
- Benjamin Harrow
Scientific Events
- Destruction of Elephants in Cape Colony, pp. 154-155
- An American Hospital for Great Britain, pp. 155-156
- The Committee on Food and Nutrition of the National Research Council, pp. 156-157
Scientific Notes and News, pp. 157-161
University and Educational News, pp. 161-162
Discussion and Correspondence
- Fire-Walking in Japan, p. 162
- John Hyde
- Marching in Step, pp. 162-163
- Warren Weaver
Scientific Books
- ----------------, pp. 163-164
- The Elementary Nervous System
- G. H. Parker
- Review author[s]: Harry Beal Torrey
Notes on Meteorology and Climatology, pp. 164-166
- Charles F. Brooks
Special Articles
- A Possible Case of Instinctive Behavior in the White Rat, pp. 166-167
- Coleman R. Griffith
The Agricultural Libraries Section of the American Library Association, pp. 167-168
- Eunice R. Oberly
Back Matter (1 p.)
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Next Issue: New Series, Vol. 50, No. 1287, Aug. 29, 1919
Front Matter (1 p.)
The Scientific Mobilization in Italy for the War, pp. 169-175
- Giorgio Abetti
The Personal Relation of the Investigator to His Problem, pp. 175-179
- Charles Zeleny
Scientific Events
- American Astronomy, pp. 179-180
- Organization of the American Meteorological Society, pp. 180-181
- Charles F. Brooks
Scientific Notes and News, pp. 181-182
University and Educational News, pp. 182-183
Discussion and Correspondence
- Tandler and Keller on the Free-Martin, pp. 183-184
- Frank R. Lillie
- The Antiscorbutic Properties of Raw Lean Beef, pp. 184-185
- R. Adams Dutcher; Edith M. Pierson; Alice Biester
- Auroral Displays, pp. 185-187
- Charles F. Brooks; Frederick Ehrenfeld; Wm. A. Conrad
- Monkeys as Coconut Pickers, p. 187
- Carl D. La Rue
Scientific Books
- ----------------, pp. 187-188
- Vital Statistics: An Introduction to the Science of Demography
- George Chandler Whipple
- Review author[s]: Louis I. Dublin
A Historical Note on the Synchronous Flashing of Fireflies, pp. 188-190
- E. W. Gudger
Special Articles
- The Origin of Nerve Cell Pigments, pp. 190-192
- David H. Dolley; Frances V. Guthrie
Back Matter (1 p.)
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Front Matter (1 p.)
Official Field Crop Inspection, pp. 193-199
- H. L. Bolley
A Plea for Courses in Physical Measurements for Students of Chemistry and Related Sciences, pp. 199-202
- Paul E. Klopsteg
Patent Reform Prospects, pp. 202-204
- Bert Russell
Scientific Events
- Memorial to the Late Frederick Du Cane Godman, pp. 204-205
- Exhibit of Marine Camouflage, p. 205
- The Philadelphia Meeting of the American Chemical Society, pp. 205-206
- Charles L. Parsons
Scientific Notes and News, pp. 206-208
University and Educational News, pp. 208-209
Discussion and Correspondence
- The Valence of Nitrogen in Nitrous Oxide, pp. 209-210
- William T. Hall
- A Snow Effect, pp. 210-211
- Leon Elmer Woodman
- On Measuring the Density of the ''17-Year Locust'' Population, p. 211
- Enoch Karrer
Scientific Books
- ----------------, pp. 211-213
- World-Power and Evolution
- Ellsworth Huntington
- Review author[s]: Charles Schuchert
New Activities in the History of Science, pp. 213-214
- Louis C. Karpinski
Special Articles
- The Motion of a Gravitating Needle, pp. 214-216
- Carl Barus
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Next Issue: New Series, Vol. 50, No. 1289, Sep. 12, 1919
Front Matter (1 p.)
The American Chemical Society
- Research and Application, pp. 217-224
- Wm. H. Nichols
The Interallied Chemical Conference, pp. 224-225
The Brussels Meeting of the International Research Council, p. 226
Scientific Events
- The Galton Laboratory, pp. 226-227
- The Potato Disease Conference, pp. 227-228
- Mr. Carnegie's Will, p. 228
Scientific Notes and News, pp. 228-229
University and Educational News, p. 229
Discussion and Correspondence
- Direct Photography of Colonies of Bacteria, pp. 229-230
- A. A. Cope
- Shell-Shock in the Battle of Marathon, p. 230
- Dean A. Worcester
- The Aurora of August 11 at Burlington, Vermont, p. 230
- Jean Dickinson
- Will There Be Another Aurora about September 7-8, 1919?, p. 230
- Charles F. Brooks
Quotations
- Labor and Science, pp. 230-231
Scientific Books
- ----------------, pp. 231-233
- The Schrammen Collection of Cretaceous Silicispongiœ in the American Museum of Natural History
- Marjorie O'Connell
- Bulletin of the American Museum of Natural History
- Review author[s]: A. W. Grabau
Organization of the American Section of the Proposed International Geophysical Union, pp. 233-238
- Harry O. Wood
Special Articles
- Bacterium solanacearum in Beans, p. 238
- Erwin F. Smith; Lucia McCulloch
Back Matter (1 p.)
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Front Matter (1 p.)
Not Ten but Twelve!, pp. 239-242
- William Benjamin Smith
A National Institute of Nutrition, pp. 242-244
- H. P. Armsby
The Osler Presentation, pp. 244-246
- F. H. Garrison
Scientific Events
- Medical Education and Practise in China, p. 246
- Mineral Production of the United States in 1918, pp. 246-247
- Fifth National Exposition of Chemical Industries, pp. 247-248
Scientific Notes and News, pp. 248-251
University and Educational News, pp. 251-252
Discussion and Correspondence
- A Possible Source of Cosmical Energy, p. 252
- Ingo W. D. Hackh
- The Imperfect Stage of Leptosphæria tritici of Wheat, pp. 252-253
- L. W. Durrell
Scientific Books
- A Brief Survey of Some Recent Chemical Literature, pp. 253-255
- Review author[s]: H. P. Talbot
Organization of the American Section of the International Geophysical Union. II, pp. 255-259
- Harry O. Wood
Special Articles
- Resemblances between the Properties of Surface-Films in Passive Metals and in Protoplasm. I, pp. 259-262
- Ralph S. Lillie
Societies and Academies, p. 262
Back Matter (1 p.)
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Front Matter (1 p.)
A Basis for Reconstructing Botanical Education, pp. 263-269
- C. Stuart Gager
The Retirement of Professor Edward L. Nichols, pp. 269-271
Scientific Events
- The James Watt Centenary Commemoration at Birmingham, p. 271
- Meeting of the Subcommittee on Pathometry of the Influenza Epidemic of the Public Health Association, pp. 271-272
- Charles C. Grove
- The New England Federation of Natural History Societies, p. 272
- J. H. Emerton
- The Mary Clark Thompson Medal, pp. 272-273
- The Rockefeller Institute for Medical Research and the War, p. 273
Scientific Notes and News, pp. 273-274
University and Educational News, pp. 274-275
Discussion and Correspondence
- Opisthotonos, pp. 275-276
- Roy L. Moodie
- A Chinese Lamp in a Yucatan Mound, pp. 276-277
- Edward S. Morse
Quotations
- Industrial Fatigue and Scientific Management, pp. 277-278
Scientific Books
- ----------------, pp. 278-279
- Review author[s]: Ernst P. Boas
Special Articles
- The Interaction of Gravitating and Radiant Forces, pp. 279-282
- Carl Barus
The Philadelphia Meeting of the American Chemical Society, pp. 282-284
- Charles L. Parsons
Back Matter (1 p.)
Previous Issue: New Series, Vol. 50, No. 1289, Sep. 12, 1919
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Next Issue: New Series, Vol. 50, No. 1292, Oct. 3, 1919
Front Matter (1 p.)
The New Opportunity in Science, pp. 285-297
- R. A. Millikan
Chemistry in the Navy, pp. 298-299
Scientific Events
- The Welsh University and the Welsh National Medical School, p. 299
- Conference on the Organization of Research in England, pp. 299-300
- The American Ceramic Society, pp. 300-301
Scientific Notes and News, pp. 301-303
University and Educational News, pp. 303-304
Discussion and Correspondence
- Births and Deaths in the Civil Population of France in the War-Time, pp. 304-305
- Vernon Kellogg
- Instinctive Behavior in the White Rat, pp. 305-306
- B. W. Kunkel
- An Earlier Snow Effect, p. 306
- Benjamin Franklin Yanney
Quotations
- The Army and Science, pp. 306-307
Scientific Books
- ----------------, pp. 307-308
- Review author[s]: T. Wingate Todd
The Progress of Undergraduate Research in Medical Schools, pp. 308-311
- Isaac Starr; Joseph Stokes; Lyle B. West
Special Articles
- Complete Reversal of Sex in Hemp, pp. 311-312
- John H. Schaffner
Back Matter (1 p.)
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Next Issue: New Series, Vol. 50, No. 1293, Oct. 10, 1919
Front Matter (1 p.)
Epidemiology and Recent Epidemics, pp. 313-319
- Simon Flexner
The New International Union of Pure and Applied Chemistry, pp. 319-323
- Edward W. Washburn
Scientific Events
- Gift for the Improvement of Medical Education in the United States, pp. 323-324
- Lectures on Popular Science at the University of California, p. 324
- The American Society of Naturalists, pp. 324-325
- Award of the Willard Gibbs Medal, p. 325
Scientific Notes and News, pp. 325-327
University and Educational News, p. 327
Discussion and Correspondence
- The Rigidity of the Earth, pp. 327-328
- A. A. Michelson; Henry G. Gale
- An Unusual Mirage, p. 328
- A. A. Knowlton
Quotations
- The Rockefeller Foundation, pp. 328-329
Scientific Books
- ----------------, pp. 329-331
- Life Histories of North American Diving Birds, Order Pygopodes
- Arthur Cleveland Bent
- Review author[s]: Harry C. Oberholser
Special Articles
- Visibility of Bright Lines, pp. 331-332
- Louis Bell
Back Matter (1 p.)
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Next Issue: New Series, Vol. 50, No. 1294, Oct. 17, 1919
Front Matter (1 p.)
Engineering Science Before, During and After the War, pp. 333-338
- Charles A. Parsons
A Question Concerning the Nature of Velocity, pp. 338-340
- Tenney L. Davis
Jacques Danne, pp. 340-341
- Gerald L. Wendt
Scientific Events
- Expeditions from the University of California, pp. 341-342
- Joint Meeting of the American Physical Society with the American Institute of Electrical Engineers, pp. 342-343
- Dayton C. Miller
- The Red Cross and Professor Richard P. Strong, p. 343
Scientific Notes and News, pp. 343-344
University and Educational News, pp. 344-346
Discussion and Correspondence
- Emil Fischer After the War, pp. 346-347
- Vernon Kellogg
- The Auroral Display of September 18, p. 347
- C. B. Waldron
- Auroral Displays and the Magnetic Needle, p. 347
- William F. Rigge
Quotations
- Science and the Press, pp. 347-348
Scientific Books
- ----------------, pp. 348-350
- Starfishes of the Philippine Seas and Adjacent Waters
- Walter K. Fisher
- Review author[s]: Hubert Lyman Clark
Notes on Meteorology and Climatology, pp. 350-351
- Charles F. Brooks
Special Articles
- White Corn Vs. Yellow Corn and a Probable Relation between the Fat-Soluble Vitamine and Yellow Plant Pigments, pp. 352-353
- H. Steenbock
The American Mathematical Society, pp. 353-354
- E. J. Moulton
Back Matter (1 p.)
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Next Issue: New Series, Vol. 50, No. 1295, Oct. 24, 1919
Front Matter (1 p.)
Engineering Science before, during and after the War. II, pp. 355-362
- Charles A. Parsons
Physiological Isolation by Low Temperature in Bryophyllum and Other Plants, pp. 362-365
- C. M. Child; A. W. Bellamy
Scientific Events
- The British National Physical Laboratory, pp. 365-366
- The Dye Industries, pp. 366-367
- A Cooperative Course in Electric Engineering, p. 367
- The Cornell University Medical College, p. 367
- The Lane Medical Lectures, pp. 367-368
- Dinner in Honor of Professor Chamberlin, p. 368
Scientific Notes and News, pp. 368-370
University and Educational News, pp. 370-371
Discussion and Correspondence
- Snow-Rollers, pp. 371-372
- C. F. Talman; John H. Schaffner; Karl M. Dallenbach
- A Wall-Side Mirage, p. 372
- W. M. Davis
Quotations
- The British Association, pp. 372-373
Scientific Books
- ----------------, pp. 373-374
- Review author[s]: G. F. K.
Notes on Meteorology and Climatology, pp. 374-375
- Charles F. Brooks
Special Articles
- New Fruit Fungi Found on the Chicago Market, pp. 375-376
- Harold E. Turley
Back Matter (1 p.)
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Next Issue: New Series, Vol. 50, No. 1296, Oct. 31, 1919
Front Matter (1 p.)
Scientific Education and the Teaching of Physics, pp. 377-383
- A. Gray
Engineering Science before, during and after the War. III, pp. 383-386
- Charles A. Parsons
Cyril G. Hopkins, pp. 387-388
- E. Davenport
Scientific Events
- Atomic Energy, p. 388
- Statistics of the Natural Gas Industry, pp. 388-389
- Leather from Aquatic Animals, p. 389
- Vacation Nature Study, pp. 389-390
- A Compendium of Chemical and Physical Constants, p. 390
Scientific Notes and News, pp. 390-393
University and Educational News, p. 393
Discussion and Correspondence
- Double Use of the Term Acceleration, pp. 393-394
- Carl Hering
- An Ornithomimid Dinosaur in the Potomac of Maryland, pp. 394-395
- Charles W. Gilmore
- An Elephant with Four Tusks, pp. 395-396
- John M. Clarke
Quotations
Special Articles
- The Bourdillon Water Still, pp. 397-398
- J. P. Bennett; James G. Dickson
Back Matter (1 p.)
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Front Matter (1 p.)
Geophysics at the Brussels Meetings, July 18-28, 1919, pp. 399-403
- Louis A. Bauer
A Medical School, in the War and after, pp. 403-405
- Graham Lusk
Scientific Events
- Cooperative Conservation of the Indiana-Lake Michigan Sand Dunes, pp. 405-406
- The Iowa Policy concerning State Parks, pp. 406-407
- Matters of Scientific Interest in Congress, pp. 407-408
- American Ornithologists' Union, p. 408
- T. S. Palmer
Scientific Notes and News, pp. 408-410
University and Educational News, p. 411
Discussion and Correspondence
- Uniformity in Symbols, pp. 411-412
- Alexander McAdie; George P. Payne
- Orogenics of the Great Basin, p. 413
- Charles Keyes
- Distribution of the Fresh-Water Medusa, Craspedacusta, in the United States, pp. 413-415
- C. W. Hargitt
Scientific Books
- ----------------, pp. 415-416
- Observations on Living Lamellibranchs of New England
- Edward S. Morse
- Review author[s]: F. N. Balch
Special Articles
- Resemblances between the Properties of Surface-Films in Passive Metals and in Living Protoplasm, II. Action of Salt Solutions and Organic Compounds. Antagonisms, pp. 416-421
- Ralph S. Lillie
Philadelphia Meeting of the American Chemical Society, pp. 421-424
- Charles L. Parsons
Back Matter (1 p.)
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Front Matter (1 p.)
A System of Cooperation between the College and Industry, pp. 425-427
- Robert H. Bogue
The Digestibility of the Branny Coats of Wheat, pp. 427-429
- Charles H. Briggs
The Introductory Course in Zoology, pp. 429-431
- George Lefevre
Scientific Events
- Changes in the French Population in 1918, p. 431
- A Pueblo Ruin in New Mexico, pp. 431-432
- The American Congress of Surgeons, pp. 432-433
Scientific Notes and News, pp. 433-434
University and Educational News, pp. 434-435
Discussion and Correspondence
- Natural Field Sanitation in China, pp. 435-436
- Atherton Lee
- A Method of Imbedding in Paraffine, p. 436
- Leo H. Schatz
Quotations
- Scientific and Industrial Research in England, pp. 436-437
Scientific Books
- ----------------, pp. 437-439
- Constructional Data for Small Telescope Objectives
- T. Smith; R. W. Cheshire
- Additional Data for the Construction of Small Telescopes Objectives
- T. Smith; R. W. Cheshire
- Review author[s]: Henry S. White
Special Articles
- Electrolytes and Colloids, pp. 439-441
- Jacques Loeb
The American Chemical Society. II, pp. 441-444
- Charles L. Parsons
Back Matter (1 p.)
Previous Issue: New Series, Vol. 50, No. 1296, Oct. 31, 1919
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Next Issue: New Series, Vol. 50, No. 1299, Nov. 21, 1919
Front Matter (1 p.)
Industrial Research in Small Establishments, pp. 445-448
- Morris E. Leeds
The Naturalist's Place in His Community, pp. 448-451
- W. E. Allen
Charles Conrad Abbott and Ernest Volk, pp. 451-453
- G. Frederick Wright
Scientific Events
- International Science and the War, pp. 453-454
- The League of Red Cross Societies, p. 454
- The Tariff on Scientific Apparatus, pp. 454-455
- The New York Botanical Garden, p. 455
- Gift to the Rockefeller Institute for Medical Research, pp. 455-456
Scientific Notes and News, pp. 456-458
University and Educational News, p. 458
Discussion and Correspondence
- Substitutes for the Words Homozygous and Heterozygous, pp. 458-460
- Frank J. Kelley
- Some Port Hudson Outcrops in Louisiana, p. 460
- F. V. Emerson
Quotations
- The Recompense of Scientific Workers, pp. 460-461
Special Articles
- A Method of Assigning Weights to Original Observations, pp. 461-464
- LeRoy D. Weld
The American Chemical Society, pp. 464-466
- Charles L. Parsons
Back Matter (1 p.)
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Next Issue: New Series, Vol. 50, No. 1300, Nov. 28, 1919
Front Matter (1 p.)
Atomic Projectiles and Their Collisions with Light Atoms, pp. 467-473
- Ernest Rutherford
Second Award of the Elliot Medal, pp. 473-474
Proposed Constitution and By-Laws of the American Association for the Advancement of Science, pp. 474-477
Scientific Events
- The Southwestern Geological Society, p. 477
- The Chicago Meeting of the American Physical Society, pp. 477-478
- Dayton C. Miller
- The History of Science and the American Historical Association, p. 478
- Elbert J. Benton
- The Section of Zoology of the American Association, p. 478
- H. V. Neal
- The Deflection of Light by Gravitation and the Theory of Relativity, pp. 478-479
Scientific Notes and News, pp. 479-480
University and Educational News, pp. 480-481
Discussion and Correspondence
- A Helium Series in the Extreme Ultra-Violet, p. 481
- Theodore Lyman
- Double Use of the Term Acceleration, pp. 482-483
- C. M. Sparrow
Notes on Meteorology and Climatology, pp. 483-484
- Charles F. Brooks
Special Articles
- A Preliminary Note on Foot-Rot of Cereals in the Northwest, pp. 484-485
- B. F. Dana
The New Haven Meeting of the National Academy of Sciences, pp. 486-487
American Mathematical Society, p. 487
- F. N. Cole
Meeting of the Committee of Policy of the American Association for the Advancement of Science, pp. 487-488
- L. O. Howard
Back Matter (1 p.)
Previous Issue: New Series, Vol. 50, No. 1298, Nov. 14, 1919
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Front Matter (1 p.)
The Historical Point of View in the Teaching of Science, pp. 489-493
- G. A. Miller
The Singing Sands of Lake Michigan, pp. 493-495
- W. D. Richardson
Scientific Events
- The House of Joseph Priestley, p. 495
- Civil Service Examinations, pp. 495-496
- Salaries at Yale University, pp. 496-497
- Crystallographical and Mineralogical Society of America, p. 497
- Edward H. Kraus; Alexander N. Phillips; Frank R. Van Horn; Thomas L. Walker; Edgar T. Wherry; Herbert P. Whitlock
- The American Society of Zoologists, pp. 497-498
- W. C. Allee
- The Section of Geology of the American Association, p. 498
- The Secretaryship of the American Association for the Advancement of Science, pp. 498-499
Scientific Notes and News, pp. 499-500
University and Educational News, p. 500
Discussion and Correspondence
- Atmospheric Pollution, p. 501
- A. M.
- Carotinoids as Fat-Soluble Vitamine, pp. 501-502
- Leroy S. Palmer
Scientific Articles
- Wound Healing in Experimental (Cellfibrin) Tissue, pp. 502-504
- Leo Loeb
The American Chemical Society, pp. 505-507
- Charles L. Parsons
The American Astronomical Society, pp. 507-508
- Joel Stebbins
Back Matter (1 p.)
Previous Issue: New Series, Vol. 50, No. 1299, Nov. 21, 1919
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Front Matter (1 p.)
The General Biology Course and the Teaching of Elementary Botany and Zoology in American Colleges and Universities, pp. 509-517
- George E. Nichols
State Academies of Science, pp. 517-518
- David D. Whitney
Results of the Total Solar Eclipse of May 29 and the Relativity Theory, pp. 518-520
- A. C. D. Crommelin
Scientific Events
- Investigations on Influenza, p. 520
- Problems of Food and Nutrition, pp. 520-521
- The Elizabeth Thompson Science Fund, p. 521
- Endowment of the Medical School of Vanderbilt University, pp. 521-522
- The St. Louis Meeting of the American Association for the Advancement of Science, p. 522
Scientific Notes and News, pp. 522-524
University and Educational News, p. 524
Discussion and Correspondence
- An Appeal, pp. 524-525
- Raymond Pearl
- Somatic Variation, p. 525
- Leon J. Cole; Jessie Megeath
- Steindachneridion, pp. 525-526
- Carl H. Eigenmann; Rosa Smith Eigenmann
- Acoustic Effects of Wires, p. 526
- Harry Clark
Quotations
Scientific Books
- ----------------, p. 527
- Review author[s]: L. O. Howard
Special Articles
- Germinating Freshly Harvested Winter Wheat, p. 528
- George T. Harrington
Back Matter (1 p.)
Previous Issue: New Series, Vol. 50, No. 1300, Nov. 28, 1919
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Front Matter (1 p.)
The Carnegie Institution of Washington, pp. 529-533
The Significance of the Declining Birth-Rate --A Reply, pp. 533-536
- Ellen Hayes
Scientific Societies Meeting at St. Louis, pp. 536-537
Scientific Events
- Science and Industry in New Zealand, pp. 537-538
- Research in the Ceramic Industry, p. 538
- Awards by the Henry Draper Committee of the National Academy of Sciences, pp. 538-539
- Addresses at the St. Louis Meeting of the American Association for the Advancement of Science, p. 539
- Mr. Frick's Bequests, pp. 539-540
Scientific Notes and News, pp. 540-541
University and Educational News, pp. 541-542
Discussion and Correspondence
- An Unusual Form of Rainbow, p. 542
- H. M. Reese
- A Simple Device for Illustrating Osmosis, pp. 542-543
- Elbert C. Cole
- Why Not Government-Maintained Fellowships, pp. 543-544
- G. F. Ferris
Special Articles
- The Term ``Inversion'', pp. 544-546
- J. B. Ferguson
Organization of the American Meteorological Society, pp. 546-547
- Charles F. Brooks
The American Chemical Society, pp. 547-548
- Charles L. Parsons
Back Matter (1 p.)
Previous Issue: New Series, Vol. 50, No. 1301, Dec. 5, 1919
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Next Issue: New Series, Vol. 50, No. 1304, Dec. 26, 1919
Front Matter (1 p.)
Agricultural Botany in Secondary Education, pp. 549-559
- Herbert F. Roberts
Grants for Research of the American Association for the Advancement of Science, pp. 559-561
- Joel Stebbins
Scientific Events
- The British Association and Scientific Research, pp. 561-562
- The Work of the National Committee on Mathematical Requirements, p. 562
- Chemical Lectures at West Point and Annapolis, pp. 562-563
Scientific Notes and News, pp. 563-567
University and Educational News, p. 567
Discussion and Correspondence
- Charcoal Activation, p. 568
- H. H. Sheldon
- Aged Bean Seed, a Control for Bacterial Blight of Beans, p. 568
- C. W. Rapp
- Note on the Flagellation of the Nodule Organisms of the Leguminosæ, pp. 568-569
- Roy Hansen
- The Supposed Scales of the Cottid Fish Jordania, p. 569
- T. D. A. Cockerell
Report of the Committee of the American Chemical Society on the Preparation of a List Recommending Chemical Texts for Libraries, pp. 569-570
- W. A. Hamor
Special Articles
- An Unexcelled Medium for the Preservation of Cadavers, pp. 570-572
- Arthur William Myer
The American Chemical Society, pp. 572-576
- Charles L. Parsons
Back Matter (1 p.)
Previous Issue: New Series, Vol. 50, No. 1302, Dec. 12, 1919
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Next Issue: New Series, Vol. 51, No. 1305, Jan. 2, 1920
Front Matter (1 p.)
The Building of Atoms and the New Periodic System, pp. 577-582
- William D. Harkins
The Disruption of Atoms by Alpha Rays, pp. 582-584
- G. S. Fulcher
The Festschrift of Svante Arrhenius, p. 584
The Death of Lady Allardyce, p. 585
- John M. Clarke
Scientific Events
- Gift to the Museum of Vertebrate Zoology of the University of California, p. 585
- Loss of Geologists by the National Survey, pp. 585-586
- Reduced Railway Fares to Meetings of Scientific and Learned Societies, pp. 586-587
- The St. Louis Meetings of the American Association for the Advancement of Science, p. 587
Scientific Notes and News, pp. 588-590
University and Educational News, pp. 590-591
Discussion and Correspondence
- A Proposal of Two New Miocene Formational Names, p. 591
- Carlotta J. Maury
- Snow Doughnuts, pp. 591-592
- W. Armstrong Price
- Variation of Fishes according to Latitude, pp. 592-593
- A. G. Huntsman
- Constants and Variables in Biology, p. 593
- J. R. De La Jorre Bueno
Scientific Books
- ----------------, pp. 593-594
- Animal Parasites and Human Disease
- Asa C. Chandler
- Review author[s]: Henry B. Ward
The Tennessee Academy of Science, pp. 594-595
- Roscoe Nunn
The American Chemical Society--VI, pp. 595-596
- Charles L. Parsons
Back Matter (1 p.)
Previous Issue: New Series, Vol. 50, No. 1303, Dec. 19, 1919
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