Science, New Series, Vol. 47, No. 1201, Jan. 4, 1918


Previous Issue: New Series, Vol. 46, No. 1200, Dec. 28, 1917
Next Issue: New Series, Vol. 47, No. 1202, Jan. 11, 1918


Volume Information (8 pp.)
Front Matter (1 p.)


The American Association for the Advancement of Science
Some Economic Aspects of the World War, pp. 1-10
Charles R. Van Hise


The Nomenclature Used in Colloid Chemistry. A Plea for Reform, pp. 10-14
Arthur W. Thomas

Address at the Funeral Services of Joseph Young Bergen, pp. 14-15
Edwin H. Hall


Scientific Events
The Medallists of the Royal Society, pp. 15-16
Report of the Year's Work at the U. S. Naval Observatory, p. 16
The Enlistment in Engineer Reserve Corps of Technical Students Pending Completion of Studies, pp. 16-17


Scientific Notes and News, pp. 17-22
University and Educational News, p. 22


Discussion and Correspondence
A Suggestion for Staining Technique, p. 22
Paul Ashley West
A Note on the Preparation of Skeletons by Bacterial Digestion, pp. 22-23
Ralph G. Hurlin
Shall the Use of the Astronomical Day Be Discontinued, p. 23
W. S. Eichelberger


Scientific Books
----------------, p. 23
The Microscope
Simon Henry Gage
Review author[s]: M. F. Guyer
----------------, p. 24
Introduction to Rural Sociology
Paul L. Vogt
Review author[s]: Warren S. Thompson


Special Articles
Note on a Wet Condenser Suitable for Continuous High Potential Service, pp. 24-25
E. Karrer; H. S. Newcomer


Boston Meeting of the American Chemical Society. VI, pp. 25-26

Previous Issue: New Series, Vol. 46, No. 1200, Dec. 28, 1917
Next Issue: New Series, Vol. 47, No. 1202, Jan. 11, 1918



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Science, New Series, Vol. 47, No. 1202, Jan. 11, 1918


Previous Issue: New Series, Vol. 47, No. 1201, Jan. 4, 1918
Next Issue: New Series, Vol. 47, No. 1203, Jan. 18, 1918


Front Matter (1 p.)


The American Association for the Advancement of Science
Some Economic Aspects of the World War. II, pp. 27-37
Charles R. Van Hise


Scientific Events
Amos Peaslee Brown, p. 37
Work of the National Advisory Committee for Aeronautics, pp. 37-39
New England Intercollegiate Geological Excursion, p. 39
Medical Work of the University of Cincinnati, pp. 39-40
Destruction by Fire of Scientific Laboratories, pp. 40-41


Scientific Notes and News, pp. 41-42
University and Educational News, pp. 42-43


Discussion and Correspondence
Geologic Dates in Physiographic Descriptions, pp. 43-44
John L. Rich
Removing Insects from Greenhouse Plants without Spraying and without Injury to the Plants, p. 44
Paul Emerson; J. B. S. Norton


Scientific Books
----------------, pp. 44-45
The Electron, Its Isolation and Measurement and the Determination of Some of Its Properties
R. A. Millikan
Review author[s]: H. A. W.
Minerals of Japan, pp. 45-46
Review author[s]: Geo. F. Kunz


Special Articles
The Geometrical Mean as A B. Coli Index, pp. 46-48
William Firth Wells


The American Association for the Advancement of Science
Pittsburgh Meeting of the American Association for the Advancement of Science, pp. 48-50
L. O. Howard

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Science, New Series, Vol. 47, No. 1203, Jan. 18, 1918


Previous Issue: New Series, Vol. 47, No. 1202, Jan. 11, 1918
Next Issue: New Series, Vol. 47, No. 1204, Jan. 25, 1918


Front Matter (1 p.)


The American Association for the Advancement of Science
Present Tendencies in Theoretical Physics, pp. 51-62
H. A. Bumstead


Cyrille Grand'eury, pp. 62-63
E. W. B.


Scientific Events
Ornithological Field Work in 1917, pp. 63-64
The Annual Meeting of the New York Zoological Society, p. 64
Wartime Service of the University of California, pp. 64-66


Scientific Notes and News, pp. 66-69
University and Educational News, pp. 69-70


Discussion and Correspondence
Rhythmic Precipitation, p. 70
J. Stansfield
Gravitational Repulsion and the Comet, pp. 70-71
Francis E. Nipher
Barite in Georgia, p. 71
Wilbur A. Nelson
Manganese in Alberta, p. 71
William McInnes


Scientific Books
----------------, pp. 71-72
Studies on the Variation, Distribution, and Evolution of the Genus Partula. The Species Inhabiting Tahiti
H. E. Crampton
Review author[s]: John T. Nichols


Special Articles
Further Evidence Relative to the Varietal Resistance of Peanuts to Sclerotium Rolfsii, pp. 72-73
J. A. McClintock


The Boston Meeting of the American Chemical Society. VII, pp. 73-74

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Science, New Series, Vol. 47, No. 1204, Jan. 25, 1918


Previous Issue: New Series, Vol. 47, No. 1203, Jan. 18, 1918
Next Issue: New Series, Vol. 47, No. 1205, Feb. 1, 1918


Front Matter (1 p.)


The American Association for the Advancement of Science
Some Needs of Engineering, pp. 75-80
Henry M. Howe
Food-Borne Infections, pp. 80-86
Edwin O. Jordan


Scientific Events
The General Medical Board of the Council of National Defense, pp. 86-89
United States Dyestuffs, p. 89
The Board of Natural Resources and Conservation of the State of Illinois, pp. 89-90


Scientific Notes and News, pp. 90-92
University and Educational News, pp. 92-93


Discussion and Correspondence
A Suggestion to Morphologists and Others, pp. 93-94
L. O. Howard


Scientific Books
----------------, pp. 94-96
The Anatomy of Woody Plants
Edward Charles Jeffrey
Review author[s]: D. H. S.


Special Articles
On the Series in the Ultra-Violet Fluorescence of Sodium Vapor, pp. 96-99
H. L. Howes


The American Association for the Advancement of Science
Section G--Botany, pp. 99-100
A. F. Blakeslee


American Mathematical Society, p. 100
F. N. Cole

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Science, New Series, Vol. 47, No. 1205, Feb. 1, 1918


Previous Issue: New Series, Vol. 47, No. 1204, Jan. 25, 1918
Next Issue: New Series, Vol. 47, No. 1206, Feb. 8, 1918


Front Matter (1 p.)


The American Association for the Advancement of Science
The near Future of Botany in America, pp. 101-115
C. Stuart Gager


Scientific Events
Mining in Alaska in 1917, p. 115
Military Medical Research in France under the Red Cross War Council, pp. 115-117


Scientific Notes and News, pp. 117-118
University and Educational News, pp. 118-119


Discussion and Correspondence
Vitamines and Nutrition, p. 119
H. Steenbock
A Flood in the Valley of the Oriskany Creek, New York, pp. 119-120
H. N. Eaton


Scientific Books
----------------, pp. 120-121
Laws of Physical Science
Edwin F. Northrup
Review author[s]: A. L. Kimball


The Proceedings of the National Academy of Sciences, pp. 121-123
Edwin Bidwell Wilson


Special Articles
The Determination of Atomic Weights by Means of X-Rays, pp. 123-124
C. W. Kanolt


The Mathematical Association of America, p. 124
W. D. Cairns

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Science, New Series, Vol. 47, No. 1206, Feb. 8, 1918


Previous Issue: New Series, Vol. 47, No. 1205, Feb. 1, 1918
Next Issue: New Series, Vol. 47, No. 1207, Feb. 15, 1918


Front Matter (1 p.)


The American Association for the Advancement of Science
The Future of Agricultural Education and Research in the United States, pp. 125-134
Whitman H. Jordan


Scientific Events
Committee on the British Chemical Trade, pp. 134-136
Iron Ore in 1917, pp. 136-137
The Fisheries Conference, p. 137
Medical Training Camps, pp. 137-138


Scientific Notes and News, pp. 138-141
University and Educational News, p. 141


Discussion and Correspondence
Cycadeoid Wood Structure, pp. 141-142
G. R. Wieland
The Relation between Age and Area in the Distribution of Plants, pp. 142-143
E. F. Andrews
Origin and Development of the Photogenic Organs of Photuris pensylvanica, pp. 143-144
Walter N. Hess
Joseph Young Bergen, p. 144
Edwin H. Hall


Scientific Books
----------------, pp. 144-145
The Casting-Counter and the Counting-Board
Francis Pierrepont Barnard
Review author[s]: David Eugene Smith
----------------, pp. 145-147
The Nature of Solution
Harry C. Jones
Review author[s]: Wilder D. Bancroft


Special Articles
Comparative Permeability of Fertilized and Unfertilized Eggs to Water, pp. 147-149
Ralph S. Lillie


The American Society of Naturalists, pp. 149-150
Bradley M. Davis

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Science, New Series, Vol. 47, No. 1207, Feb. 15, 1918


Previous Issue: New Series, Vol. 47, No. 1206, Feb. 8, 1918
Next Issue: New Series, Vol. 47, No. 1208, Feb. 22, 1918


Front Matter (1 p.)


The American Association for the Advancement of Science
Some Underlying Principles in the Structure of the Nervous System, pp. 151-162
G. H. Parker


Rollin Arthur Harris, p. 162


Scientific Events
Dr. Fewkes and the Bureau of American Ethnology, pp. 162-163
Public-Health Administration in Russia, pp. 163-164
Natural History Collection for the Welsh Museum, pp. 164-165
The British Museum and the War, pp. 165-166


Scientific Notes and News, pp. 166-170
Educational Notes and News, p. 170


Discussion and Correspondence
Luminosity of Rectifier Electrode, p. 170
Harvey B. Lemon
An Unusually Brilliant Halo, pp. 170-171
O. C. Lester
Marking Microscope Slides, p. 171
Mary K. Bryan


Scientific Books
----------------, pp. 171-173
The Organization of Thought
A. N. Whitehead
Review author[s]: C. J. Keyser


Special Articles
A Preliminary Note on Soil Moisture and Temperature Factors in the Winter-Killing of Grain Crops, pp. 173-174
S. C. Salmon

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Science, New Series, Vol. 47, No. 1208, Feb. 22, 1918


Previous Issue: New Series, Vol. 47, No. 1207, Feb. 15, 1918
Next Issue: New Series, Vol. 47, No. 1209, Mar. 1, 1918


Front Matter (1 p.)
The Red Cross and the Antivivisectionists, pp. 175-182
W. W. Keen

Some Opinions on College Physics Teaching, pp. 182-185
Willard J. Fisher


Scientific Events
The Ramsay Memorial Fund, pp. 185-186
The War Department Committee on Education and Special Training, pp. 186-187
Chemistry and the War, p. 187


Scientific Notes and News, pp. 187-191
University and Educational News, p. 191


Discussion and Correspondence
The Election of Officers by Scientific Societies, pp. 191-192
G. A. Miller
Are Zoologists Going to Use the Bna?, pp. 192-193
Thomas Byrd Magath
Rate of Desert Delta Growth, pp. 193-194
Charles Keyes


Scientific Books
----------------, pp. 194-195
The Botany of Crop Plants
Wilfred W. Robbins
Review author[s]: L. H. Pammel
----------------, pp. 195-196
The Genera of Fishes, from Linnœus to Cuvier, 1758-1833, Seventy-Five Years, with the Accepted Type of Each. A Contribution to the Stability of Scientific Nomenclature
David Starr Jordan
Review author[s]: T. D. A. Cockerell


Special Articles
The ``Rawness'' of Subsoils, pp. 196-198
F. J. Alway


The American Association for the Advancement of Science
Report of the Treasurer for 1917, pp. 199-200

Previous Issue: New Series, Vol. 47, No. 1207, Feb. 15, 1918
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Science, New Series, Vol. 47, No. 1209, Mar. 1, 1918


Previous Issue: New Series, Vol. 47, No. 1208, Feb. 22, 1918
Next Issue: New Series, Vol. 47, No. 1210, Mar. 8, 1918


Front Matter (1 p.)


The American Association for the Advancement of Science
The Significance of the Declining Birth Rate, pp. 201-210
Louis I. Dublin
Minutes of the War Emergency Board of American Plant Pathologists, pp. 210-213
G. R. Lyman


Scientific Events
The Yale Medical School, p. 213
Farm Products of the United States, pp. 213-214
Plan of War Organization of Division of Medicine and Related Sciences of the National Research Council, pp. 214-216


Scientific Notes and News, pp. 216-218
University and Educational News, p. 218


Discussion and Correspondence
Diminution of the Antarctic Ice Cap and the Amelioration of Climate, pp. 218-219
Kirtley F. Mather
Labeling of Microscopical Slides in Staining Technique, pp. 219-220
Chas. H. Otis
Professional Courtesy, pp. 220-221
E. B. Hart


Scientific Books
----------------, pp. 221-222
Outlines of Comparative Anatomy of Vertebrates
J. S. Kingsley
Review author[s]: Herbert V. Neal
----------------, pp. 222-223
A Year of Costa Rican Natural History
Amelia S. Calvert; Philip P. Calvert
Review author[s]: Wm. Beebe


Special Articles
The Effect of Omnivorous and Vegetarian Diets on Reproduction in the Albino Rat, pp. 223-224
J. R. Slonaker; T. A. Card

Previous Issue: New Series, Vol. 47, No. 1208, Feb. 22, 1918
Next Issue: New Series, Vol. 47, No. 1210, Mar. 8, 1918



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Science, New Series, Vol. 47, No. 1210, Mar. 8, 1918


Previous Issue: New Series, Vol. 47, No. 1209, Mar. 1, 1918
Next Issue: New Series, Vol. 47, No. 1211, Mar. 15, 1918


Front Matter (1 p.)
The Manufacture of Organic Chemicals at the University of Illinois, pp. 225-228
Roger Adams

Shall We Eat Whole-Wheat Bread?, pp. 228-232
R. A. Dutcher


Scientific Events
The Outlook in French Agriculture, pp. 232-233
The Shaler Memorial Expedition, pp. 233-234
War Service for Chemists, pp. 234-235


Scientific Notes and News, pp. 235-238
University and Educational News, pp. 238-239


Discussion and Correspondence
Note on the Geometrical Mean as a B. Coli Index, pp. 239-240
W. D. Cairns
Some Defects in Our Agricultural Instruction, pp. 240-241
H. Ness
Professional Courtesy, p. 241
E. V. McCollum; N. Simmonds


Scientific Books
----------------, pp. 241-244
Societies of the Plains Indians
Clark Wissler
Review author[s]: A. L. Kroeber


The Proceedings of the National Academy of Sciences, pp. 244-246
Edwin Bidwell Wilson


Special Articles
Results of Corn Disease Investigations, pp. 246-247
G. N. Hoffer; J. R. Holbert


The American Association for the Advancement of Science
Section F (Zoology), pp. 247-248
Herbert V. Neal

Previous Issue: New Series, Vol. 47, No. 1209, Mar. 1, 1918
Next Issue: New Series, Vol. 47, No. 1211, Mar. 15, 1918



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Science, New Series, Vol. 47, No. 1211, Mar. 15, 1918


Previous Issue: New Series, Vol. 47, No. 1210, Mar. 8, 1918
Next Issue: New Series, Vol. 47, No. 1212, Mar. 22, 1918


Front Matter (1 p.)
Dr. Franklin P. Mall: An Appreciation, pp. 249-254
Simon Flexner

Franklin Paine Mall: A Review of His Scientific Achievement, pp. 254-261
Florence R. Sabin


Scientific Events
The British Committee for Scientific and Industrial Research, p. 262
Government Control of the Platinum Industry, pp. 262-263
Photographers for the Signal Corps, pp. 263-264


Scientific Notes and News, pp. 264-266
University and Educational News, pp. 266-267


Discussion and Correspondence
The Nomenclature of Thermometric Scales, pp. 267-268
C. F. Marvin
The Domestication of the Llama, pp. 268-269
Philip Ainsworth Means
The Origin of the Custom of Tea Drinking in China, pp. 269-270
Ross Aiken Gortner


Scientific Books
----------------, pp. 270-271
Applied Psychology
H. L. Hollingworth; A. T. Poffenberger
Review author[s]: J. B. Miner


Special Articles
Note on Three Devices for Use in Electrometry, pp. 271-272
E. H. Kennard


The American Society of Pharmacology and Experimental Medicine, p. 272

Previous Issue: New Series, Vol. 47, No. 1210, Mar. 8, 1918
Next Issue: New Series, Vol. 47, No. 1212, Mar. 22, 1918



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Science, New Series, Vol. 47, No. 1212, Mar. 22, 1918


Previous Issue: New Series, Vol. 47, No. 1211, Mar. 15, 1918
Next Issue: New Series, Vol. 47, No. 1213, Mar. 29, 1918


Front Matter (1 p.)
Theodore Caldwell Janeway, pp. 273-279
Lewellys F. Barker

The Need for Organization of American Botanists for More Effective Prosecution of War Work, pp. 279-285
G. R. Lyman


Scientific Events
English Vital Statistics, pp. 285-286
Standard Time at Sea, pp. 286-287
Meeting of Petroleum Geologists, pp. 287-288
The Research Information Committee, pp. 288-289


Scientific Notes and News, pp. 289-290
University and Educational News, pp. 290-291


Discussion and Correspondence
The Aurora Borealis, pp. 291-292
C. W. Tomlinson; C. M. Smith


Scientific Books
----------------, pp. 292-293
Catalogue of the Hemiptera of America North of Mexico, Excepting the Alphididœ, Coccidœ and Aleurodidœ
Edward P. Van Duzee
Review author[s]: H. M. Parshley


Special Articles
Reporting Moisture Results, pp. 293-295
H. A. Noyes


The Federation of American Societies for Experimental Biology, pp. 295-296
Chas. W. Greene

The Thirteenth Annual Meeting of the American Physiological Society, pp. 296-298
Chas. W. Greene

Previous Issue: New Series, Vol. 47, No. 1211, Mar. 15, 1918
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Science, New Series, Vol. 47, No. 1213, Mar. 29, 1918


Previous Issue: New Series, Vol. 47, No. 1212, Mar. 22, 1918
Next Issue: New Series, Vol. 47, No. 1214, Apr. 5, 1918


Front Matter (1 p.)


The American Association for the Advancement of Science
The Contributions of Zoology to Human Welfare, pp. 299-301
H. M. Smith
The Value of Zoology to Humanity, pp. 302-306
Henry B. Ward


The Indigen and Cultigen, pp. 306-308
L. H. Bailey


Scientific Events
The Research Committees of the British Institution of Mechanical Engineers, pp. 308-309
A Prehistoric Pueblo Indian Ruin, pp. 309-310
The Massachusetts Institute of Technology and the McKay Bequest, p. 310
The General Meeting of the American Philosophical Society, pp. 310-311


Scientific Notes and News, pp. 311-312
University and Educational News, pp. 312-313


Discussion and Correspondence
An Apparently New Principle in the Flow of Heat, pp. 313-314
Carl Hering
The Aurora of March 7, 1918, pp. 314-315
Joel Stebbins; John E. Smith; G. H. Bretnall
An Old Record of Albino Turkey Buzzards, pp. 315-316
E. W. Gudger
An Open Letter, p. 316
Henry S. Conard; E. C. Jeffrey


Scientific Books
----------------, pp. 316-319
Studies in the History and Method of Science
Charles Singer
Review author[s]: George Sarton


Invertebrate Paleontology, pp. 319-320
T. D. A. Cockerell


Special Articles
The Evolution of Bacteria, pp. 320-324
R. E. Buchanan


The American Mathematical Society, p. 324
F. N. Cole

Previous Issue: New Series, Vol. 47, No. 1212, Mar. 22, 1918
Next Issue: New Series, Vol. 47, No. 1214, Apr. 5, 1918



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Science, New Series, Vol. 47, No. 1214, Apr. 5, 1918


Previous Issue: New Series, Vol. 47, No. 1213, Mar. 29, 1918
Next Issue: New Series, Vol. 47, No. 1215, Apr. 12, 1918


Front Matter (1 p.)


The American Association for the Advancement of Science
Geology in Education, pp. 325-335
Rollin D. Salisbury


The Report of the Committee to Visit the Harvard College Observatory, pp. 335-337
Joel H. Metcalf; George R. Agassiz; George I. Alden; Ingersoll Bowditch; Charles R. Cross; Samuel W. McCall; Herbert Parker; Frederick Slocum; Elihu Thomson


Scientific Events
The Museum of the University of Pennsylvania, pp. 337-338
Reconstruction Commissions of the British Government, pp. 338-339
Meeting of the General Medical Board of the Council of National Defense, pp. 339-340
Lectures on Agriculture, p. 340


Scientific Notes and News, pp. 340-342
University and Educational News, pp. 342-343


Discussion and Correspondence
Scott on the Canons of Comparative Anatomy, p. 343
E. C. Jeffrey
The Jerusalem Artichoke as a War Plant, p. 344
L. O. Howard
Poisoning Tree Parasites with Cyanide of Potassium, pp. 344-345
Maynard M. Metcalf
Systematists and General Biologists, p. 345
F. A. Bather


Scientific Books
----------------, pp. 345-347
Lectures on Heredity
H. S. Jennings; Oscar Riddle; W. E. Castle
Review author[s]: G. N. Collins


Special Articles
The Rôle of Catalase in Acidosis, pp. 347-348
W. E. Burge

Previous Issue: New Series, Vol. 47, No. 1213, Mar. 29, 1918
Next Issue: New Series, Vol. 47, No. 1215, Apr. 12, 1918



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Science, New Series, Vol. 47, No. 1215, Apr. 12, 1918


Previous Issue: New Series, Vol. 47, No. 1214, Apr. 5, 1918
Next Issue: New Series, Vol. 47, No. 1216, Apr. 19, 1918


Front Matter (1 p.)


American Association for the Advancement of Science
The Contribution of Zoology to Human Welfare, pp. 349-354
L. O. Howard


The Status of Physiology in America, pp. 354-359
Max Withrow Morse


Scientific Events
Aurora and Magnetic Storm of March 7-8 in England, p. 359
The Steam Engineering Training School at the Stevens Institute, pp. 359-360
English Medical Students and Military Service, pp. 360-361
War Work of the U. S. Coast and Geodetic Survey, pp. 361-362


Scientific Notes and News, pp. 362-363
University and Educational News, pp. 363-364


Discussion and Correspondence
Evidence from Alaska of the Unity of the Pleistocene Glacial Period, p. 364
G. Frederick Wright
Drawings on Lantern Slides, pp. 364-365
Horace Gunthorp
A Suggestion for Making Thin Sections for Bryozoan Slides, p. 365
Charles E. Decker
A National Floral Emblem, pp. 365-367
Albert A. Hansen
Translations Made Accessible, pp. 367-368
Lancaster D. Burling


Scientific Books
----------------, pp. 368-370
Chemical Analyses of Igneous Rocks
Henry Stephens Washington
Review author[s]: Frank D. Adams


A Review of Some Papers on Fossil Man at Vero, Florida, pp. 370-371
Oliver P. Hay


Special Articles
The Animal Census of Two City Lots, pp. 371-374
George N. Wolcott

Previous Issue: New Series, Vol. 47, No. 1214, Apr. 5, 1918
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Science, New Series, Vol. 47, No. 1216, Apr. 19, 1918


Previous Issue: New Series, Vol. 47, No. 1215, Apr. 12, 1918
Next Issue: New Series, Vol. 47, No. 1217, Apr. 26, 1918


Front Matter (1 p.)
A Common-Sense Calendar, pp. 375-377
Howard C. Warren

Chemical Literature and Its Use, pp. 377-381
Marion E. Sparks

Research Work at the University of Michigan Biological Station during the Summer of 1917, pp. 381-383
George R. La Rue


Scientific Events
The Proposed Transfer of the United States Naval Observatory to the Smithsonian Institution, pp. 383-384
Gift to the Red Cross for Medical Research in France, pp. 384-385
The Joint Information Board on Minerals and Derivatives, pp. 385-386
Physicians for the Army and Navy Service, p. 386


Scientific Notes and News, pp. 386-389
University and Educational News, p. 389


Discussion and Correspondence
The Existence of Lecithin, pp. 389-390
Clarence J. West
Desmognathus Fuscus [Sic], pp. 390-391
Harris Hawthorne Wilder
A Molluscan Garden Pest, pp. 391-392
Frank Collins Baker
The Yellow Clothes Moth, p. 392
R. C. Benedict
The Aurora of March 7, p. 393
Frank P. Whitman


Scientific Books
----------------, pp. 393-394
Principes de Géométrie Analytique
Gaston Darboux
Review author[s]: G. A. Miller
----------------, pp. 394-395
Additional Studies in the Pleistocene at Vero, Florida
Review author[s]: N. C. Nelson


Special Articles
A New Method for Investigation of the Peripheral Nervous System, Muscles and Glands, pp. 395-398
S. E. Longwell; A. D. Mead

Previous Issue: New Series, Vol. 47, No. 1215, Apr. 12, 1918
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Science, New Series, Vol. 47, No. 1217, Apr. 26, 1918


Previous Issue: New Series, Vol. 47, No. 1216, Apr. 19, 1918
Next Issue: New Series, Vol. 47, No. 1218, May 3, 1918


Front Matter (1 p.)
Some Developments in the Chemical Industries as a Result of War Conditions, pp. 399-410
S. W. Parr

The New Hopkins Marine Station of Stanford University, pp. 410-412
W. K. Fisher


Scientific Events
The Bombardment of Paris by Longrange Guns, p. 412
Some Tungsten Ores in the National Museum, pp. 412-413
Chemistry at Yale University, pp. 413-414


Scientific Notes and News, pp. 414-416
University and Educational News, p. 416


Discussion and Correspondence
Spectroscopic Investigation, pp. 416-417
Edwin B. Frost
The Desiccation of the Earth, p. 417
C. F. Von Herrmann
Areas of Audibility, pp. 417-418
Willard J. Fisher
Primitive Knowledge of Inoculation, p. 418
Knight Dunlap


Scientific Books
----------------, pp. 418-419
The Anthocyanin Pigments of Plants
Muriel Wheldale
Review author[s]: Ross Aiken Gortner
Dr. Keen on Medical Research, p. 419
Review author[s]: Howard A. Kelly


The Annual Meeting of the National Academy of Sciences, pp. 419-420


Special Articles
A Simple Method of Measuring Photosynthesis, pp. 420-422
W. J. V. Osterhout; A. R. C. Haas

Previous Issue: New Series, Vol. 47, No. 1216, Apr. 19, 1918
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Science, New Series, Vol. 47, No. 1218, May 3, 1918


Previous Issue: New Series, Vol. 47, No. 1217, Apr. 26, 1918
Next Issue: New Series, Vol. 47, No. 1219, May 10, 1918


Front Matter (1 p.)
A Chemical Study of Enzyme Action, pp. 423-429
K. George Falk

The Conservation of Wheat, pp. 429-433
Harry Snyder


Scientific Events
Theodore Caldwell Janeway, Born 1872, Died 1917, pp. 433-434
Medical Terminology, p. 434
Lectures on Public Health, pp. 434-435
Research Grants of the American Association for the Advancement of Science, p. 435
E. C. Pickering
The National Academy of Sciences, pp. 435-436


Scientific Notes and News, pp. 436-438
University and Educational News, p. 438


Discussion and Correspondence
Note on a Reverse Concentration Cell, pp. 438-439
Fernando Sanford
Hering's Contributions to Physiological Optics, p. 439
Carl Hering
Reform of the World's Calendar, pp. 439-440
T. G. Dabney


Scientific Books
----------------, pp. 440-442
A Check List of North American Amphibians and Reptiles
Leonhard Stejneger; Thomas Barbour
Review author[s]: Alexander G. Ruthven


Special Articles
Identity of Atomic Weight among Different Elements, pp. 442-443
Gerald L. Wendt


The American Association for the Advancement of Science
Minutes of the Committee on Policy, pp. 443-444
L. O. Howard
Section M--Agriculture, pp. 444-446
E. W. Allen

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Previous Issue: New Series, Vol. 47, No. 1218, May 3, 1918
Next Issue: New Series, Vol. 47, No. 1220, May 17, 1918


Front Matter (1 p.)
The Industrial Fellowships of the Mellon Institute, pp. 447-450
E. R. Weidlein

The Effect of Cattle on the Erosion of Canon Bottoms, pp. 450-452
James Terry Duce

An Emergency Supply of Rubber, pp. 452-454
Harvey Monroe Hall; Thomas Harper Goodspeed


Scientific Events
British Civil Service Estimates for Science and Education, pp. 454-455
The American Medical Association and the War, pp. 455-456
The Interallied Scientific Food Commission, p. 456


Scientific Notes and News, pp. 456-458
University and Educational News, pp. 458-459


Discussion and Correspondence
Astigmatism and Coma, pp. 459-460
C. W. Woodworth
Observations on the Auroral Convergent, April 5, 1918, pp. 460-461
Lancaster D. Burling
The Domestication of the Llama, p. 461
N. Hollister
The Audibility of Sound, p. 461
Charles E. Munroe


Scientific Books
----------------, pp. 461-465
The American Indian. An Introduction to the Anthropology of the New World
Clark Wissler
Review author[s]: R. B. Dixon


Special Articles
Mass Mutation in Zea Mays, pp. 465-467
Hugo de Vries


The American Association for the Advancement of Science
Section E--Geology and Geography, pp. 467-470
Rollin T. Chamberlin

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Previous Issue: New Series, Vol. 47, No. 1219, May 10, 1918
Next Issue: New Series, Vol. 47, No. 1221, May 24, 1918


Front Matter (1 p.)


The Value and Service of Zoological Science
Value to the Individual, pp. 471-476
Harry Beal Torrey
Utilitarian Values of Zoological Science, pp. 477-481
M. F. Guyer


Scientific Events
The Lake Laboratory of the Ohio State University, p. 481
Anti-Typhoid Inoculation, pp. 481-482
The Silliman Lectures, p. 482
The Baltimore Meeting of the American Association for the Advancement of Science, pp. 482-483


Scientific Notes and News, pp. 483-486
University and Educational News, p. 486


Discussion and Correspondence
Proposed Magnetic and Allied Observations during the Total Solar Eclipse of June 8, 1918, pp. 486-487
Louis A. Bauer
Progressive Deglaciation and the Amelioration of Climate, pp. 487-488
Marsden Manson
Translations Made Accessible, p. 488
J. N. Stephenson
A New Calendar, pp. 488-489
W. J. Spillman
Drawings on Lantern Slides, p. 489
J. R. Benton


Scientific Books
----------------, pp. 489-490
Culture and Ethnology
Robert H. Lowie
Review author[s]: Albert Ernest Jenks


Special Articles
Nezara Viridula and Kernel Spot of Pecan, pp. 490-491
William F. Turner


The American Association for the Advancement of Science
Section E--Geology and Geography. II, pp. 492-494
Rollin T. Chamberlin

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Previous Issue: New Series, Vol. 47, No. 1220, May 17, 1918
Next Issue: New Series, Vol. 47, No. 1222, May 31, 1918


Front Matter (1 p.)
Some Problems of Nutrition in the Army, pp. 495-508
John R. Murlin

Iceland Spar in Montana, pp. 508-509
Chas. L. Parsons


Scientific Events
Inventions Section of the General Staff of the Department of War, pp. 509-510
The Volunteer Medical Reserve Corps, pp. 510-511
The National Research Council, pp. 511-512
Woodrow Wilson


Scientific Notes and News, pp. 512-515
University and Educational News, pp. 515-516


Discussion and Correspondence
Walnut Pollen as a Cause of Hay Fever, pp. 516-517
Harvey Monroe Hall
The Canons of Comparative Anatomy, p. 517
W. P. Thompson
Albino Turkey Buzzards, pp. 517-518
Harry C. Oberholser


Scientific Books
----------------, pp. 518-519
The Early Mesozoic Floras of New Zealand
E. A. Arber
Review author[s]: E. W. Berry


Special Articles
The Factors Influencing the Attitude of the Head in Animals with Injury to One Otic Labyrinth, p. 519
B. Aronovitch; F. H. Pike
A Slow-Speed Kymograph, pp. 519-520
Eugene L. Porter


The American Mathematical Society, p. 520
F. N. Cole

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Previous Issue: New Series, Vol. 47, No. 1221, May 24, 1918
Next Issue: New Series, Vol. 47, No. 1223, Jun. 7, 1918


Front Matter (1 p.)


The Value and Service of Zoological Science
Esthetical and Recreational Values, pp. 521-529
R. H. Wolcott


Scientific Events
Tin in Virginia, p. 529
International Scientific Nomenclature, pp. 529-530
Applied Psychology at the Carnegie Institute of Technology and Its War-Time Work, pp. 530-531
Presentation of the Edison Medal, p. 531


Scientific Notes and News, pp. 531-535
University and Educational News, p. 535


Discussion and Correspondence
Professional Courtesy, pp. 535-538
H. Steenbock; E. V. McCollum
The World's Calendar, pp. 538-539
T. G. Dabney
Celluloid for Cover Glasses, p. 539
F. A. Varrelman
An Absolute Scale for Recording Temperature, p. 539
J. Adams


Scientific Books
----------------, pp. 539-542
Calculus
Herman W. March; Henry C. Wolff
Differential and Integral Calculus
Clyde E. Love
Plane Trigonometry with Tables
Eugene Henry Barker
College Algebra
Ernest Brown Skinner
Projective Geometry
L. Wayland Dowling
Elliptic Integrals
Harris Hancock
Review author[s]: C. J. Keyser


Special Articles
Inheritance of Winter Egg Production, pp. 542-543
H. D. Goodale


The American Association for the Advancement of Science
Section D--Engineering, pp. 543-546
Arthur H. Blanchard

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Science, New Series, Vol. 47, No. 1223, Jun. 7, 1918


Previous Issue: New Series, Vol. 47, No. 1222, May 31, 1918
Next Issue: New Series, Vol. 47, No. 1224, Jun. 14, 1918


Front Matter (1 p.)
University Ideals and Their Limitations, pp. 547-556
Percy M. Dawson


Scientific Events
New Eastern National Forests, p. 557
Alaska Fishery and Fur Products in 1917, pp. 557-558
Botanical Abstracts, p. 558


Scientific Notes and News, pp. 558-561
University and Educational News, p. 561


Discussion and Correspondence
On the Antiquity of Man in America, pp. 561-562
W. H. Holmes
Note on Sudan III, pp. 562-563
B. E. Read


Scientific Books
----------------, pp. 563-565
Lord Lister
Rickman J. Godlee
Review author[s]: W. W. Keen


Notes on Meteorology and Climatology, pp. 565-567
Charles F. Brooks


Special Articles
Concerning Selective Permeability, pp. 567-569
C. G. MacArthur


The American Association for the Advancement of Science
Section B, pp. 569-570
G. W. Stewart

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Previous Issue: New Series, Vol. 47, No. 1223, Jun. 7, 1918
Next Issue: New Series, Vol. 47, No. 1225, Jun. 21, 1918


Front Matter (1 p.)


The Value and Service of Zoological Science
Spiritual Values, pp. 571-579
Winterton C. Curtis


Measures for Protecting Wheat-Flour Substitutes from Insects, pp. 579-581
Royal N. Chapman


Scientific Events
The Progress of Birth and Death Registration in the United States, pp. 581-582
The International Catalogue of Scientific Literature, pp. 582-583
Prizes Offered by the American Fisheries Society, p. 583
The Medals of the Geological Society of London, pp. 583-584


Scientific Notes and News, pp. 585-587
University and Educational News, p. 587


Discussion and Correspondence
Desmognathus Fuscus Again, pp. 587-589
Leonhard Stejneger
Evolution of Bacteria, pp. 589-590
I. J. Kligler
Organic Chemicals for Research, Or the Need of a Philanthropist, pp. 590-591
Ross Aiken Gortner


Scientific Books
----------------, pp. 591-592
Electrical Measurements
Frank A. Laws
Review author[s]: A. DeForest Palmer


Special Articles
A New and Improved Method for Obtaining Pectin from Fruits and Vegetables, pp. 592-594
C. A. Magoon; Joseph S. Caldwell
The Care and Breeding of Albino Rats, pp. 594-596
J. R. Slonaker

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Science, New Series, Vol. 47, No. 1225, Jun. 21, 1918


Previous Issue: New Series, Vol. 47, No. 1224, Jun. 14, 1918
Next Issue: New Series, Vol. 47, No. 1226, Jun. 28, 1918


Front Matter (1 p.)
The Organization of the Medical Profession for War, pp. 597-603
The Labelling of Fair Exhibits as an Aid to Agricultural Production, pp. 603-604
Harlan I. Smith


Scientific Events
The Coordination of Scientific Publication, pp. 604-605
Vital Statistics of England and Wales, pp. 605-606
Civil Engineers and the Army, p. 606
War Work of Mining Engineers, pp. 606-607


Scientific Notes and News, pp. 607-608
University and Educational News, pp. 608-609


Discussion and Correspondence
Pyrheliometry and Solar Radiation, pp. 609-610
C. G. Abbot
Reply to Professor Wilder, pp. 610-611
Thos. L. Casey
Our National Flower, pp. 611-612
Frederick LeRoy Sargent; Katharine Dooris Sharp


Scientific Books
----------------, pp. 612-615
Plants, Seeds and Currents in the West Indies and Azores
H. B. Guppy
Review author[s]: Edward W. Berry


Special Articles
Post-Glacial Continental Uplift, pp. 615-617
H. L. Fairchild


The American Philosophical Society, pp. 617-622
Arthur W. Goodspeed

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Science, New Series, Vol. 47, No. 1226, Jun. 28, 1918


Previous Issue: New Series, Vol. 47, No. 1225, Jun. 21, 1918
Next Issue: New Series, Vol. 48, No. 1227, Jul. 5, 1918


Front Matter (1 p.)
A Survey of American Biological Chemical Literature, pp. 623-626
Clarence J. West

The Age and Area Hypothesis, pp. 626-628
John C. Willis

The Relative Age of Endemic Species, pp. 629-630
Hugo De Vries


Scientific Events
The Chicago Meeting of the American Medical Association, pp. 630-632
The Production of Optical Glass in the United States, p. 632
The Source of Trench Fever, pp. 632-633


Scientific Notes and News, pp. 633-635
University and Educational News, pp. 635-636


Discussion and Correspondence
Solution Tension and Inductivity, pp. 636-638
Horatio Hughes
The True Soil Solution, pp. 638-639
Zae Northrup
Drawings on Lantern Slides, pp. 639-640
Lancaster D. Burling
Celloidin-Paraffin Methods, p. 640
Margaret B. Church
Alligators as Food, pp. 640-641
Albert M. Reese


Scientific Books
----------------, pp. 641-642
Genetics in Relation to Agriculture
E. B. Babcock; R. E. Clausen
Review author[s]: A. H. Sturtevant


Special Articles
A New Graphical Method for Comparing Performance with Program or Expectation, pp. 642-645
R. Von Huhn
The Specific Conductivity of Water Extracts of Wheat Flour, pp. 645-647
C. H. Bailey


The North Carolina Academy of Science, pp. 647-648
E. W. Gudger

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Previous Issue: New Series, Vol. 47, No. 1226, Jun. 28, 1918
Next Issue: New Series, Vol. 48, No. 1228, Jul. 12, 1918


Front Matter (1 p.)


The American Association for the Advancement of Science
Contributions of Zoology to Human Welfare, pp. 1-5
Maurice H. Bigelow


Scientific Events
Volcanoes of Hawaii, pp. 5-6
The Division of Gas Warfare of the War Department, pp. 6-7
War Activities of the U. S. Coast and Geodetic Survey, p. 7
Magnetic Observations, pp. 7-8


Scientific Notes and News, pp. 8-10
University and Educational News, pp. 10-11


Discussion and Correspondence
Meade Cotton, pp. 11-12
O. F. Cook
International Zoology and the International Code, pp. 12-13
N. Hollister
Helping to Stabilize Nomenclature, pp. 13-14
S. A. Rohwer
A New Marine Tertiary Horizon in South America, p. 14
Carlotta J. Maury
The Panama Canal Slides that Were, pp. 14-15
Donald F. MacDonald
A Country without a Name, p. 15
Ellen Hayes


Scientific Books
----------------, pp. 15-16
An Introduction to the Chemistry of Plant Products
Paul Haas
Review author[s]: Henry Kraemer


Scalariform Pitting a Primitive Feature in Angiospermous Secondary Wood, pp. 16-18
B. H. Brown

The Origin of Dicotyls, pp. 18-21
G. R. Wieland


Special Articles
The Regulation of Blood Volume After Infusions of Solutions of Various Salts. Preliminary Note, pp. 21-22
Arthur H. Smith


The Iowa Academy of Science, pp. 22-24
James H. Lees

Back Matter (1 p.)

Previous Issue: New Series, Vol. 47, No. 1226, Jun. 28, 1918
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Previous Issue: New Series, Vol. 48, No. 1227, Jul. 5, 1918
Next Issue: New Series, Vol. 48, No. 1229, Jul. 19, 1918


Front Matter (1 p.)
The Man of Science and the Public, pp. 25-34
Edwin Linton

Observations on the Solar Eclipse Made by the Crocker Expedition of the Lick Observatory, pp. 34-35
W. W. Campbell


Scientific Events
Instruction and Research in Industrial Hygiene at the Harvard Medical School, pp. 36-37
The Mexican Agricultural Commission, p. 37
Organization of Chicago Technical Societies for War Work, pp. 37-38
Engineer Officers' Training School at Camp Humphreys, p. 38


Scientific Notes and News, pp. 38-41
University and Educational News, p. 42


Discussion and Correspondence
Brown Rot of Solanaceæ on Ricinus, pp. 42-43
Erwin F. Smith; G. H. Godfrey
Celluloid Lantern-Slides, pp. 43-44
Arthur W. Gray
Washing Microscopic Organisms, pp. 44-45
Herbert Ruckes
An Optical Illusion with Fatal Consequences, pp. 45-46
Walter R. Shaw


Scientific Books
----------------, pp. 46-47
Flora of Bermuda
Nathaniel Lord Britton
Review author[s]: John W. Harshberger


Special Articles
The Rydberg Universal Constant N0, pp. 47-48
Raymond T. Birge
Moisture Ratio, pp. 48-49
Alfred Smith


The Iowa Academy of Science. II, pp. 49-50
James H. Lees

Back Matter (1 p.)

Previous Issue: New Series, Vol. 48, No. 1227, Jul. 5, 1918
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Previous Issue: New Series, Vol. 48, No. 1228, Jul. 12, 1918
Next Issue: New Series, Vol. 48, No. 1230, Jul. 26, 1918


Front Matter (1 p.)
Transmission of Activation in Passive Metals as a Model of the Protoplasmic or Nervous Type of Transmission, pp. 51-60
Ralph S. Lillie

The Inter-Allied Scientific Food Commission, pp. 60-61


Scientific Events
The Asphalt Industry in 1917, p. 62
Training Camps for Instructors to Prepare College Men for Military Service, pp. 62-63
Guarding Soldiers' Camps against Flies and Mosquitoes, pp. 63-64
The Weather Bureau and Dr. Cleveland Abbe, pp. 64-65
Grove Karl Gilbert, p. 65


Scientific Notes and News, pp. 65-67
Educational Notes and News, p. 67


Discussion and Correspondence
A Musical, Cricket-Like Chirping of a Grasshopper, pp. 67-68
H. A. Allard


Scientific Books
----------------, pp. 68-69
Field Book of Insects. With Special Reference to Those of Northeastern United States. Aiming to Answer Common Questions
Frank E. Lutz
Review author[s]: Alex. D. MacGillivray


Notes on Meteorology and Climatology, pp. 69-72
Charles F. Brooks


Special Articles
A Parallel Mutation in Drosophila funebris, pp. 72-73
A. H. Sturtevant


The Kentucky Academy of Science, pp. 73-74
Alfred M. Peter

Back Matter (1 p.)

Previous Issue: New Series, Vol. 48, No. 1228, Jul. 12, 1918
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Previous Issue: New Series, Vol. 48, No. 1229, Jul. 19, 1918
Next Issue: New Series, Vol. 48, No. 1231, Aug. 2, 1918


Front Matter (1 p.)


American Association for the Advancement of Science
Committee of One Hundred: Funds for Research in Astronomy, pp. 75-81
Charles R. Cross


Geological Terms in Geographical Descriptions, pp. 81-84
W. M. Davis

Armand Thevenin, p. 84
Roy L. Moodie


Scientific Events
The Katmai Expedition of the National Geographical Society, pp. 84-85
The Brooklyn Botanic Garden, p. 85
The Chemical Warfare Service, pp. 85-86
The Organization of Physicians for War Service, pp. 86-87
The Sterling Bequest to Yale University, p. 87
Memorial to Josiah Royce, pp. 87-88
Charles W. Eliot; Charles P. Bowditch; John Grier Hibben; R. F. Alfred Hoernle; Lawrence J. Henderson; James J. Putnam; E. E. Southard; William Ernest Hocking


Scientific Notes and News, pp. 88-91
University and Educational News, p. 91


Discussion and Correspondence
The Supply of Organic Reagents, pp. 91-92
C. E. K. Mees
Fireflies Flashing in Unison, pp. 92-93
Edward S. Morse
The Vero Man and the Sabre Tooth, pp. 93-94
G. R. Wieland


Scientific Books
----------------, pp. 94-98
Fossil Plants
A. C. Seward
Review author[s]: Edward W. Berry


Special Articles
The Glass Sands of Pennsylvania, pp. 98-100
Chas. R. Fettke


Back Matter (1 p.)

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Science, New Series, Vol. 48, No. 1231, Aug. 2, 1918


Previous Issue: New Series, Vol. 48, No. 1230, Jul. 26, 1918
Next Issue: New Series, Vol. 48, No. 1232, Aug. 9, 1918


Front Matter (1 p.)
The Newer Demands on Physics and Physics Teachers Due to the War, pp. 101-108
E. H. Johnson

The Irwin Expedition of Indiana University to Peru and Bolivia, pp. 108-109
Carl H. Eigenmann


Scientific Events
School for Optical Munition Workers, pp. 109-110
Summer Work at the Laboratories of the Bureau of Fisheries, pp. 110-111
The American Institute of Mining Engineers, p. 111
Third Summer Meeting of the Mathematical Association of America, pp. 111-112


Scientific Notes and News, pp. 112-113
University and Educational News, p. 113


Discussion and Correspondence
The Fundamentals of Dynamics, pp. 113-116
Wm. S. Franklin; Barry MacNutt
The Canons of Comparative Anatomy, p. 116
E. C. Jeffrey
Whole-Wheat Bread, pp. 116-117
R. Adams Dutcher
Scientific Activity and the War, pp. 117-118
G. A. Miller


Scientific Books
----------------, pp. 118-119
Patenting and Promoting Inventions
Moïs H. Avram
Review author[s]: Bert Russell


Recommendations of the Agricultural Advisory Committee, pp. 119-121


Special Articles
The Relation of the Rate of Blood Flow through the Medulla Oblongata to the Amplitude and Frequency of Respiratory Movements, pp. 121-122
F. H. Pike
On the Hydrolysis of Proteins in the Presence of Extraneous Materials and on the Origin and Nature of the ``Humin'' of a Protein Hydrolysate, pp. 122-124
Ross Aiken Gortner


The Academy of Science of St. Louis, p. 124
N. M. Grier

Back Matter (1 p.)

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Science, New Series, Vol. 48, No. 1232, Aug. 9, 1918


Previous Issue: New Series, Vol. 48, No. 1231, Aug. 2, 1918
Next Issue: New Series, Vol. 48, No. 1233, Aug. 16, 1918


Front Matter (1 p.)
Some Energy Relations of Plants, pp. 125-132
George B. Rigg


Educational Events
The Death of Thorild Wulff, pp. 132-133
W. Elmer Ekblaw
Retirement of Dean Edward H. Bradford of the Harvard Medical School, p. 133
The Chemical Warfare Service, pp. 133-135
Training of College Students for Medical Corps Officers, p. 135


Scientific Notes and News, pp. 135-137
University and Educational News, pp. 137-138


Discussion and Correspondence
Formative Setting of Laccolithic Mountains, pp. 138-139
Charles Keyes
Soil Reaction and the Presence of Azotobacter, pp. 139-140
P. L. Gainey
Designation of Specializing Physicists, p. 140
Clayton H. Sharp


Scientific Books
----------------, pp. 140-141
The Science and Practice of Photography
John R. Roebuck
Review author[s]: C. E. K. Mees


The Proceedings of the National Academy of Sciences, pp. 141-143
Edwin Bidwell Wilson


Special Articles
Ternary Systems and the Behavior of Protoplasm, pp. 143-148
Martin H. Fischer; Marian O. Hooker


Field Conference of Cereal Pathologists, pp. 148-150
Chas. W. Hungerford

Back Matter (1 p.)

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Science, New Series, Vol. 48, No. 1233, Aug. 16, 1918


Previous Issue: New Series, Vol. 48, No. 1232, Aug. 9, 1918
Next Issue: New Series, Vol. 48, No. 1234, Aug. 23, 1918


Front Matter (1 p.)
Grove Karl Gilbert, pp. 151-154
Herman Leroy Fairchild

War Bread, pp. 154-156
Harry Snyder

The Botany and Plant Products of Northern South America, pp. 156-157


Scientific Events
The Inter-Allied Food Commission, pp. 157-158
Fourth National Exposition of Chemical Industries, pp. 158-159
Nutrition Officers Stationed in the Camps, pp. 159-160
Greetings to France from British Socities, pp. 160-161


Scientific Notes and News, pp. 161-164
University and Educational News, pp. 164-165


Discussion and Correspondence
The Criterion of Subspecific Intergradation in Vertebrate Zoology, pp. 165-167
Harry C. Oberholser
Cotton as a Seed Crop, pp. 167-168
O. F. Cook
An Aspect of the Relation between Abundance, Migration and Range in Birds, pp. 168-170
J. T. Nichols


Quotations
The Rockefeller Foundation, pp. 170-171


Scientific Books
----------------, p. 171
Fresh-Water Biology
Henry Baldwin Ward; George Chandler Whipple
Review author[s]: James G. Needham
----------------, pp. 171-172
Equidœ of the Oligocene, Miocene and Pliocene of North America
Henry Fairfield Osborn
Review author[s]: Roy L. Moodie


Special Articles
Note on Measuring the Relative Rates of Life Processes, pp. 172-174
W. J. V. Osterhout
How Food and Exercise Increase Oxidation in the Body, pp. 174-176
W. E. Burge


Back Matter (1 p.)

Previous Issue: New Series, Vol. 48, No. 1232, Aug. 9, 1918
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Science, New Series, Vol. 48, No. 1234, Aug. 23, 1918


Previous Issue: New Series, Vol. 48, No. 1233, Aug. 16, 1918
Next Issue: New Series, Vol. 48, No. 1235, Aug. 30, 1918


Front Matter (1 p.)
American Botany and the Great War, pp. 177-179
Neil E. Stevens

A Survey of High-School Chemistry in Pennsylvania, pp. 179-182
Alexander Silverman

Twenty-Five Important Topics in the History of Secondary Mathematics, pp. 182-184
G. A. Miller


Scientific Events
The Cleveland Meeting of the American Chemical Society, pp. 184-185
Charles L. Parsons
The Japanese Beetle in New Jersey, pp. 185-186
The Rehabilitation of Wounded Soldiers, pp. 186-187
The Volunteer Medical Service Corps, p. 187


Scientific Notes and News, pp. 187-191
University and Educational News, p. 191


Discussion and Correspondence
Pseudo-Psychology, pp. 191-193
Christian A. Ruckmich
The Position and Prospects of Botany, pp. 193-194
W. L. Crozier
Leaf Burn of the Potato and Its Relation to the Potato Leaf-Hopper, p. 194
E. D. Ball
''Fats and Fatty Degeneration'': A Response to Book Reviews by Bancroft and Clowes, pp. 194-196
Martin H. Fischer


Quotations
A Medical Entente with America, pp. 196-197


Scientific Books
----------------, pp. 197-198
Principles of Economic Geology
William Harvey Emmons
Review author[s]: Alfred C. Lane
----------------, p. 198
Aquatic Microscopy
Alfred C. Stokes
Review author[s]: M. F. Guyer


Special Articles
Adaptation in the Photosensitivity of Ciona intestinalis, pp. 198-201
Selig Hecht
A Method for Preparing Pectin, pp. 201-202
Chas. H. Hunt


Back Matter (1 p.)

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Previous Issue: New Series, Vol. 48, No. 1234, Aug. 23, 1918
Next Issue: New Series, Vol. 48, No. 1236, Sep. 6, 1918


Front Matter (1 p.)
Sphagnum as a Surgical Dressing, pp. 203-208
J. W. Hotson

A New Seasonal Precipitation Factor of Interest to Geographers and Agriculturists, pp. 208-211
Roland M. Harper

Plans for the Physical Reconstruction of Disabled Soldiers, pp. 211-213
George Archibald Clark, pp. 213-215
Barton Warren Evermann


Scientific Events
Proposed Federal Health Program, pp. 215-216
Work of the Bureau of Fisheries, p. 216
Publications on Experimental Biology and General Physiology, p. 217


Scientific Notes and News, pp. 217-221
University and Educational News, p. 221


Discussion and Correspondence
Hand-Made Lantern Slides, pp. 221-222
Simon H. Gage
The House Fly, p. 222
Harry Beal Torrey
The Balancers of the House Fly, pp. 222-223
Rowan Whealdon


Quotations
The Proposed British Ministry of Health, pp. 223-224


Scientific Books
----------------, pp. 224-225
The Ornamental Trees of Hawaii
Joseph F. Rock
Review author[s]: A. S. Hitchcock


Special Articles
A Comparison of the Responses of Animals in Gradients of Environmental Factors with Particular Reference to the Method of Reaction of Representatives of the Various Groups from Protozoa to Mammals, pp. 225-230
V. E. Shelford


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Previous Issue: New Series, Vol. 48, No. 1235, Aug. 30, 1918
Next Issue: New Series, Vol. 48, No. 1237, Sep. 13, 1918


Front Matter (1 p.)
Richard Rathbun, pp. 231-235
Marcus Benjamin

The Olona, Hawaii's Unexcelled Fiber-Plant, pp. 236-238
Vaughan MacCaughey

The Barbados-Antigua Expedition from the State University of Iowa, pp. 238-240
C. C. Nutting


Scientific Events
The Journal of the American Ceramic Society, pp. 240-241
C. F. B.
English Vital Statistics, pp. 241-242
War Committee of Technical Societies, p. 242
D. W. Brunton
The Need for Nutrition Officers in Military Camps, p. 243


Scientific Notes and News, pp. 243-247
University and Educational News, p. 247


Discussion and Correspondence
The Prevention of Rope in Bread, pp. 247-248
Lawrence J. Henderson
A Microscopic Trap, p. 248
Albert M. Reese
A Night Rainbow, pp. 248-249
David Riesman


Scientific Books
----------------, pp. 249-250
South America
Nellie B. Allen
Review author[s]: John C. Branner


Patent Reform Prospects, pp. 250-253
Bert Russell


Special Articles
Polarization in Case of Moving Electrodes, pp. 253-254
Carl Barus


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Previous Issue: New Series, Vol. 48, No. 1236, Sep. 6, 1918
Next Issue: New Series, Vol. 48, No. 1238, Sep. 20, 1918


Front Matter (1 p.)
John Duer Irving, pp. 255-256
James F. Kemp

Race-Appreciation in Latin America, pp. 256-260
Philip Ainsworth Means

The American System of Agricultural Education and Research and Its Role in Helping to Win the War, pp. 260-262
David F. Houston


Scientific Events
Trench Fever and Lice, pp. 262-263
Granite for Building in 1917, pp. 263-264
The Proceedings of the National Academy of Sciences, pp. 264-265
Squaw Island, New York State Museum Reservation, p. 265


Scientific Notes and News, pp. 266-269
University and Educational News, p. 269


Discussion and Correspondence
Barley Bread, Optimum Reaction and Salt Effect, pp. 269-270
Lorraine L. Landenberger; Withrow Morse
Concerted Behavior of Terrestrial Mollusks, p. 271
T. C. Stephens
A Country without a Name, pp. 271-272
J. S. Moore; Ingo W. D. Hackh


Scientific Books
----------------, pp. 272-273
City Milk Supply
Horatio Newton Parker
Review author[s]: Leo F. Rettger


Special Articles
Corpus Luteum and the Periodicity in the Sexual Cycle, pp. 273-277
Leo Loeb


The Ohio Academy of Science, pp. 277-278
Edward L. Rice

Back Matter (1 p.)

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Previous Issue: New Series, Vol. 48, No. 1237, Sep. 13, 1918
Next Issue: New Series, Vol. 48, No. 1239, Sep. 27, 1918


Front Matter (1 p.)
Plans for a History of Mathematics in the Nineteenth Century, pp. 279-284
Florian Cajori

The British National Physical Laboratory, pp. 284-287


Scientific Events
The Students' Army Training Corps, pp. 288-289
The Epidemic of Spanish Influenza, p. 289
San Francisco Joint Council of National Engineering Societies, pp. 289-290
Chemists and the Chemical Warfare Service, pp. 290-291
Scientific Organizations of the Allied Nations, p. 291


Scientific Notes and News, pp. 291-294
University and Educational News, p. 294


Discussion and Correspondence
Dual Queens in a Colony of Honey Bees, pp. 294-295
Caroline B. Thompson
Paramecia with Extra Contractile Vacuoles, pp. 295-296
Robert T. Hance
Mathematical Instruction and the War, p. 296
Henry Blumberg


Quotations
Science and the Civil Service, pp. 296-298


Scientific Books
----------------, p. 298
The Physical Chemistry of the Proteins
T. Brailsford Robertson
Review author[s]: Donald D. Van Slyke


Special Articles
Unlike Reaction of Different Individuals to Fragrance in Verbena Flowers, pp. 298-299
A. F. Blakeslee
The White-Spot Disease of Alfalfa, pp. 299-301
P. J. O'Gara
The Polyhedral Virus of Insects with a Theoretical Consideration of Filterable Viruses Generally, pp. 301-302
R. W. Glaser


Back Matter (1 p.)

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Previous Issue: New Series, Vol. 48, No. 1238, Sep. 20, 1918
Next Issue: New Series, Vol. 48, No. 1240, Oct. 4, 1918


Front Matter (1 p.)
Magnetization by Rotation, pp. 303-309
S. J. Barnett

The Origin of the Pink Bollworm, pp. 309-312
C. L. Marlatt

Harry Kirke Wolfe, pp. 312-313
Hartley B. Alexander


Scientific Events
The Development of the Dyestuffs Industry, pp. 313-314
Health Mission to Italy under Red Cross Auspices, pp. 314-315
Civil Service Examinations, p. 315


Scientific Notes and News, pp. 315-317
University and Educational News, pp. 317-318


Discussion and Correspondence
Red Rays and Photoelectric Effect, pp. 318-319
Chester Arthur Butman
Special Growth-Promoting Substances and Correlation, pp. 319-320
Charles O. Appleman


Quotations
The Medical Profession in Great Britain and the War, pp. 320-322


Scientific Books
----------------, p. 322
The Wings of Insects
J. H. Comstock
Review author[s]: Z. P. Metcalf


The Proceedings of the National Academy of Sciences, pp. 322-324
Edwin Bidwell Wilson


Special Articles
Investigations on the Imbibition of Water by Gelatine, pp. 324-327
Edith Bellamy Shreve
Reason for the Helpful Effect of Alcoholic Beverages in Diabetes, States of Depression, and Convalescence, pp. 327-328
W. E. Burge


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Science, New Series, Vol. 48, No. 1240, Oct. 4, 1918


Previous Issue: New Series, Vol. 48, No. 1239, Sep. 27, 1918
Next Issue: New Series, Vol. 48, No. 1241, Oct. 11, 1918


Front Matter (1 p.)
Economic Toxicology, pp. 329-332
Geo. P. Gray

Organic Symbols, pp. 333-335
Ingo W. D. Hackh

Frank N. Meyer, pp. 335-336
Erwin F. Smith


Scientific Events
Russian Wheat, pp. 336-337
The Suppression of Body-Vermin, pp. 337-338
The Fur Seals of the Priblof Islands, pp. 338-339
Research Grants from Trust Funds of the National Academy of Sciences, p. 339


Scientific Notes and News, pp. 339-343
University and Educational News, p. 343


Discussion and Correspondence
The Foundations of Mechanics, pp. 343-345
Paul J. Fox
Nonsilverable Containers for Silvering Mirrors, p. 345
Wm. W. Coblentz


Quotations
Scientific Work in India, pp. 345-346


Scientific Books
----------------, pp. 346-347
Plant Genetics
John M. Coulter; Merle C. Coulter
Review author[s]: D. F. Jones


The Power Situation in the United States, pp. 347-348


Special Articles
The Coefficient of Expansion of Living Tree Trunks, pp. 348-350
C. C. Trowbridge; Mabel Weil
The Depth of Dolomitization, pp. 350-352
Francis M. Van Tuyl


Back Matter (1 p.)

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Previous Issue: New Series, Vol. 48, No. 1240, Oct. 4, 1918
Next Issue: New Series, Vol. 48, No. 1242, Oct. 18, 1918


Front Matter (1 p.)
A Geometric Basis for Physical and Organic Phenomena, pp. 353-360
John Millis


Scientific Events
Manganese Ore in Georgia, pp. 360-362
British Electrical Industries After the War, pp. 362-363
The Department of Chemistry of the College of the City of New York, p. 363
The Chemical Warfare Service, pp. 363-364
The American College of Surgeons, p. 364
The American Agricultural Committee, pp. 364-365


Scientific Notes and News, pp. 365-367
University and Educational News, p. 367


Discussion and Correspondence
Erroneous Generic Determinations of Bees, pp. 368-369
Charles Robertson
The Necessity for Better Book and Newspaper Manufacture with Respect to Materials Used, pp. 369-371
Robert Wilson Shufeldt
The Canons of Comparative Anatomy, p. 371
W. P. Thompson


Quotations
The Coordination of Scientific Publication in Great Britain, pp. 371-372


Scientific Books
----------------, pp. 372-374
Dynamic Psychology
Robert Sessions Woodworth
Review author[s]: Margaret Floy Washburn
----------------, p. 374
A Laboratory Outline of Neurology
C. Judson Herrick; Elizabeth C. Crosby
Review author[s]: G. H. P.


Special Articles
Hygrometry in Terms of the Weight of a Film of Gelatine, pp. 374-376
C. Barus
Some Analyses of the Urine of Reptiles, p. 376
Howard B. Lewis


Back Matter (1 p.)

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Science, New Series, Vol. 48, No. 1242, Oct. 18, 1918


Previous Issue: New Series, Vol. 48, No. 1241, Oct. 11, 1918
Next Issue: New Series, Vol. 48, No. 1243, Oct. 25, 1918


Front Matter (1 p.)
The American Chemist in Warfare, pp. 377-386
Charles L. Parsons


Scientific Events
The Cawthron Institute of Scientific Research, pp. 386-387
The International Institute of Agriculture at Rome, pp. 387-388
The Museum of the University of Pennsylvania, pp. 388-389
Western Reserve University Medical Group, p. 389
The New York Post-Graduate Medical School, pp. 389-390


Scientific Notes and News, pp. 390-392
University and Educational News, p. 393


Discussion and Correspondence
Correlation of the Hydrogen-Ion Exponent and Occurrence of Bacteria in Soil, pp. 393-394
L. J. Gillespie
The Need of Another Philanthropist by Organic Chemists, pp. 394-395
Clarence Austin Morrow
Color Association, pp. 395-396
Arthur B. Smith


Quotations
War and Engineering Education, pp. 396-397


Scientific Books
----------------, pp. 397-398
Annals of the Astronomical Observatory of Harvard College
Edward C. Pickering
Review author[s]: George C. Comstock
----------------, p. 398
The Chemistry of Food and Nutrition
Henry C. Sherman
Review author[s]: Graham Lusk


Special Articles
The Formation of the Fat Droplets in the Cells of Tissue Cultures, pp. 398-399
Margaret Reed Lewis


The American Mathematical Society, pp. 399-400
F. N. Cole

Back Matter (1 p.)

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Science, New Series, Vol. 48, No. 1243, Oct. 25, 1918


Previous Issue: New Series, Vol. 48, No. 1242, Oct. 18, 1918
Next Issue: New Series, Vol. 48, No. 1244, Nov. 1, 1918


Front Matter (1 p.)
The Trained Man of Science in the War, pp. 401-410
J. S. Ames

Lieutenant Herbert Douglas Taylor, p. 411
T. M. P.


Scientific Events
Appointments at the New York State College of Agriculture at Cornell University, pp. 411-412
The Influenza Epidemic, pp. 412-413
The Baltimore Meeting of the American Association for the Advancement of Science, pp. 413-414


Scientific Notes and News, pp. 414-417
University and Educational News, p. 417


Discussion and Correspondence
Mr. Abbot's Theory of the Pyrheliometer, pp. 417-418
Frank H. Bigelow
Fireflies Flashing in Unison, pp. 418-419
Fremont Morse


Scientific Books
----------------, pp. 419-420
The Passing of the Great Race
Madison Grant
Review author[s]: Frederick Adams Woods
----------------, p. 420
War Bread
Alonzo E. Taylor
Review author[s]: Graham Lusk


A Study of Engineering Education, pp. 420-421
Two New Anthropological Journals, pp. 421-422
F. B.


Special Articles
The Relation of the Plant to the Reaction of the Nutrient Solution, pp. 422-425
D. R. Hoagland
An Electro-Thermo-Regulator for Water Baths, pp. 425-426
Chas. H. Otis


Back Matter (1 p.)

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Science, New Series, Vol. 48, No. 1244, Nov. 1, 1918


Previous Issue: New Series, Vol. 48, No. 1243, Oct. 25, 1918
Next Issue: New Series, Vol. 48, No. 1245, Nov. 8, 1918


Front Matter (1 p.)
The Balance, the Steelyard and the Concept of Force, pp. 427-433
Willard J. Fisher

The Scientific Members of the British Educational Mission, pp. 433-437
William John Keep, pp. 437-438


Scientific Events
Science and Industry in Tasmania, pp. 438-439
Manganiferous Ore in Oregon, pp. 439-440
Exhibit of Minerals Useful in War, p. 440
Library of the Edgewood Arsenal Laboratory, pp. 440-441
Endowment for Engineering Research, p. 441


Scientific Notes and News, pp. 441-444
University and Educational News, pp. 444-445


Discussion and Correspondence
The Scientific Name of the Passenger Pigeon, p. 445
Harry C. Oberholser
Alleged Rediscovery of the Passenger Pigeon, pp. 445-446
S. M. Rasmussen
Do We Want a Great Private Institution for Inventors like the Institute of France for Artists?, pp. 446-447
David Fairchild
Circular Frequency, p. 447
Arthur Taber Jones


Scientific Books
----------------, pp. 447-448
The Conservation of Food Energy
Henry Prentiss Armsby
Review author[s]: Graham Lusk


The Flora of North Dakota, pp. 448-449
O. A. Stevens


Special Articles
Pear Blight Wind Borne, pp. 449-450
F. L. Stevens; W. A. Ruth; C. S. Spooner


Back Matter (1 p.)

Previous Issue: New Series, Vol. 48, No. 1243, Oct. 25, 1918
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Science, New Series, Vol. 48, No. 1245, Nov. 8, 1918


Previous Issue: New Series, Vol. 48, No. 1244, Nov. 1, 1918
Next Issue: New Series, Vol. 48, No. 1246, Nov. 15, 1918


Front Matter (1 p.)
The Influenza Pneumonia Pandemic in the American Army Camps during September and October, 1918, pp. 451-456
George A. Soper

British Science in Industry, pp. 456-459
Doctor Aleš Hrdlička and the Vero Man, pp. 459-462
Oliver P. Hay


Scientific Events
Recent Acquisitions for the Library and Map Collection of the Royal Geographic Society, pp. 462-463
Quicksilver Deposits in the Phoenix Mountains, Ariz, pp. 463-464
The Selection of Presidents of the American Chemical Society, p. 464
Medical Commission to Ecuador, p. 465


Scientific Notes and News, pp. 465-468
University and Educational News, pp. 468-469


Discussion and Correspondence
Shall Writers upon the Biological Sciences Agree to Ignore Systematic Papers Published in the German Language Since 1914?, pp. 469-471
W. J. Holland
The Foundations of Mechanics, pp. 471-472
W. S. Franklin; Barry MacNutt


Scientific Books
----------------, pp. 472-474
The Origin and Evolution of Life, on the Theory of the Action, Reaction and Interaction of Energy
Henry Fairfield Osborn
Review author[s]: Ralph S. Lillie


Special Articles
Note on a Simple Device for Illustrating Molecular Motion, pp. 474-476
E. R. Stoekle
Abnormalities in the Chick Embryo, p. 476
Mary T. Heaman


Back Matter (1 p.)

Previous Issue: New Series, Vol. 48, No. 1244, Nov. 1, 1918
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Science, New Series, Vol. 48, No. 1246, Nov. 15, 1918


Previous Issue: New Series, Vol. 48, No. 1245, Nov. 8, 1918
Next Issue: New Series, Vol. 48, No. 1247, Nov. 22, 1918


Front Matter (1 p.)
Education, Science and Leadership, pp. 477-484
Sydenham

Agricultural Text-Books for Our Public Schools, pp. 484-486
H. Ness

Fred Silver Putney, pp. 486-487
Von Adolf Erich Daecke, p. 487
H.


Scientific Events
The United States Public Health Service and the Influenza Epidemic, pp. 487-488
Foreign Delegates to the American Clinical Congress, pp. 488-489
Divisional Officers of the American Chemical Society, p. 489


Scientific Notes and News, pp. 489-490
University and Educational News, pp. 490-491


Discussion and Correspondence
Insidious Scientific Control, pp. 491-493
Edwin Bidwell Wilson
Nematodes on Marketable Fishes, pp. 493-495
H. P. K. Agersborg
Papers ``to Be Published'', p. 495
Horace Gunthorp


Quotations
Masks in Gas Warfare, pp. 495-496


Scientific Books
----------------, pp. 496-497
Agricultural Bacteriology
W. H. Conn
Review author[s]: E. G. Hastings


Birth Statistics in the Registration Area of the United States: 1916, pp. 497-499


Special Articles
Note upon the Hydrogen Ion Concentration Necessary to Inhibit the Growth of Four Wood-Destroying Fungi, pp. 499-500
Merle R. Meacham


Back Matter (1 p.)

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Previous Issue: New Series, Vol. 48, No. 1246, Nov. 15, 1918
Next Issue: New Series, Vol. 48, No. 1248, Nov. 29, 1918


Front Matter (1 p.)
The Physical Chemistry of Bread Making, pp. 501-505
E. J. Cohn; L. J. Henderson

Industrial Research and National Welfare, pp. 505-507
George Schrader Mathers, pp. 507-508
Ludvig Hektoen

Artemas Martin, p. 508


Scientific Events
The Bequests of Mrs. Sage, pp. 508-509
International Scientific Organization, pp. 509-510
The Harvey Society, pp. 510-511
The American Society of Naturalists, p. 511
Bradley M. Davis
The Baltimore Meetings of Section F (Zoology) of the American Association, pp. 511-512
W. C. Allee


Scientific Notes and News, pp. 512-513
University and Educational News, p. 513


Discussion and Correspondence
Botany after the War, pp. 514-515
Bradley Moore Davis
A Possible New Fungicide for Wheat and Barley Smut, pp. 515-516
W. W. Mackie


Scientific Books
----------------, pp. 516-517
A Text-Book of Mycology and Plant Pathology
John W. Harshberger
Review author[s]: J. J. Taubenhaus


The Royal College of Physicians, pp. 517-518


Special Articles
Suggestions regarding the Causes of Bioelectric Phenomena, pp. 518-524
L. H. Hyman


The American Mathematical Society, p. 524
F. N. Cole

Back Matter (1 p.)

Previous Issue: New Series, Vol. 48, No. 1246, Nov. 15, 1918
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Science, New Series, Vol. 48, No. 1248, Nov. 29, 1918


Previous Issue: New Series, Vol. 48, No. 1247, Nov. 22, 1918
Next Issue: New Series, Vol. 48, No. 1249, Dec. 6, 1918


Front Matter (1 p.)
The Purpose of Research, pp. 525-532
H. N. Ogden

Industrial Research and National Welfare, pp. 532-534
Maxime Bocher, pp. 534-535
The Baltimore Meeting of the American Association for the Advancement of Science, pp. 535-538


Scientific Events
A Journey round the Arctic Coast of Alaska, pp. 538-539
A Proposed British Institute of Industrial Art, pp. 539-540
Agriculture and the Government, p. 540
Use of the Metric System in the United States, pp. 540-541
An Ecological Survey of the Palisades Interstate Park, pp. 541-542


Scientific Notes and News, pp. 542-545
University and Educational News, p. 545


Discussion and Correspondence
Food of Aquatic Hemiptera, pp. 545-547
C. F. Curtis Riley


Scientific Books
----------------, pp. 547-549
Wild Animals of North America
Edward W. Nelson
Review author[s]: Joseph Grinnell


Special Articles
The Substitution of Saccharin for Sugar, pp. 549-550
W. E. Burge


The American Astronomical Society, pp. 550-552
Joel Stebbins

Back Matter (1 p.)

Previous Issue: New Series, Vol. 48, No. 1247, Nov. 22, 1918
Next Issue: New Series, Vol. 48, No. 1249, Dec. 6, 1918



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Science, New Series, Vol. 48, No. 1249, Dec. 6, 1918


Previous Issue: New Series, Vol. 48, No. 1248, Nov. 29, 1918
Next Issue: New Series, Vol. 48, No. 1250, Dec. 13, 1918


Front Matter (1 p.)
Means for the Scientific Development of Mathematics Teachers, pp. 553-560
G. A. Miller

Banded Structures of the Adirondack Syenite-Granite Series, pp. 560-563
William J. Miller

Proceedings and Resolutions of the Third Resuscitation Commission, pp. 563-567


Scientific Events
Protection Given Migratory Birds by Amendments to the Bird-Treaty Act, pp. 567-568
Pottery Products, p. 568
The National Academy of Sciences, p. 569


Scientific Notes and News, pp. 569-572
University and Educational News, pp. 572-573


Discussion and Correspondence
Concerted Flashing of Fireflies, pp. 573-575
George H. Hudson
Alleged Rediscovery of the Passenger Pigeon, p. 575
Thos. S. Roberts
Demonstrations of Visual Phenomena Purkinje Effect, p. 575
Paul F. Gaehr
Usono, pp. 575-576
J. D. Hailman


Scientific Books
Military Geology and Meteorology, pp. 576-577
Review author[s]: M.


A Greek Tract on Indivisible Lines, pp. 577-578
Florian Cajori


Special Articles
Jura-Cretaceous Stonewort and Limneas, Supposedly from Arkansas, p. 578
Harold Hannibal


Back Matter (1 p.)

Previous Issue: New Series, Vol. 48, No. 1248, Nov. 29, 1918
Next Issue: New Series, Vol. 48, No. 1250, Dec. 13, 1918



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Science, New Series, Vol. 48, No. 1250, Dec. 13, 1918


Previous Issue: New Series, Vol. 48, No. 1249, Dec. 6, 1918
Next Issue: New Series, Vol. 48, No. 1251, Dec. 20, 1918


Front Matter (1 p.)
Problems, Methods and Results in Behavior, pp. 579-588
S. O. Mast

George Jennings Hinde, pp. 588-590
Marjorie O'Connell

Inquiry of the American Geographical Society for the Information of the Peace Commissioners, pp. 590-592


Scientific Events
The Salters' Institute of Industrial Chemistry, pp. 592-594
The Influenza Epidemic, p. 594
The Return of Chemists to the Industries, pp. 594-595
The American Psychological Association, p. 595
H. S. Langfeld
The Yellow Fever Expedition of the Rockefeller Foundation, pp. 595-596


Scientific Notes and News, pp. 596-598
University and Educational News, p. 598


Discussion and Correspondence
A League of Nations, pp. 598-599
W. M. Davis
Experimental Osmosis with a Living Membrane, pp. 599-600
Edward Kremers


Quotations
France's Share in Biology and Medical Science, pp. 600-601


Scientific Books
----------------, pp. 601-602
Medical Contributions to the Study of Evolution
J. G. Adami
Review author[s]: J. P. McM


Special Articles
Stylonichia Impaled upon a Fungal Filament, pp. 602-604
D. H. Wenrich


Back Matter (1 p.)

Previous Issue: New Series, Vol. 48, No. 1249, Dec. 6, 1918
Next Issue: New Series, Vol. 48, No. 1251, Dec. 20, 1918



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Science, New Series, Vol. 48, No. 1251, Dec. 20, 1918


Previous Issue: New Series, Vol. 48, No. 1250, Dec. 13, 1918
Next Issue: New Series, Vol. 48, No. 1252, Dec. 27, 1918


Front Matter (1 p.)
National Prestige in Scientific Achievement, pp. 605-608
P. G. Nutting

The Criteria in the Declaration of Chemical Independence in the United States, pp. 608-612
I. Newton Kugelmass

Charles Richard Van Hise, pp. 612-613


Scientific Events
The Production of Marble in 1917, pp. 613-614
The British National Union for Scientific Workers, p. 614
The De Lamar Bequests for Medical Research, pp. 614-615


Scientific Notes and News, pp. 615-619
University and Educational News, p. 619


Discussion and Correspondence
Synthesis of Paleontology and Medical History, pp. 619-620
Roy L. Moodie
A Recently Discovered Art Cavern in France, pp. 620-621
N. C. Nelson


Scientific Books
----------------, pp. 621-622
The Destinies of the Stars
Svante Arrhenius
Review author[s]: Chas. Lane Poor
----------------, p. 622
Modern Navigation
Frank Seymour Hastings
Review author[s]: Chas. Lane Poor


Special Articles
Rhineodon Typus, the Whale Shark-Further Notes on Its Habits and Distribution, pp. 622-627
E. W. Gudger


The Baltimore Meeting of the American Association for the Advancement of Science, pp. 627-628
Back Matter (1 p.)

Previous Issue: New Series, Vol. 48, No. 1250, Dec. 13, 1918
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Science, New Series, Vol. 48, No. 1252, Dec. 27, 1918


Previous Issue: New Series, Vol. 48, No. 1251, Dec. 20, 1918
Next Issue: New Series, Vol. 49, No. 1253, Jan. 3, 1919


Front Matter (1 p.)
Science and Medical Teaching, pp. 629-635
Graham Lusk

The Smithsonian ``Solar Constant'' Expedition to Calama, Chile, pp. 635-636
The Harvard Engineering School, pp. 636-637
The Medallists of the Royal Society, pp. 637-639


Scientific Events
The British Medical Research Committee, pp. 639-640
Resolutions in Honor of Director Frederick J. V. Skiff, pp. 640-641
The Work of Dr. C. G. Abbot, p. 641
The Annual Meeting of the American Ornithologists' Union, pp. 641-642


Scientific Notes and News, pp. 642-645
University and Educational News, pp. 645-646


Discussion and Correspondence
Age Flow and Ebb of the Eocene Seas, pp. 646-647
G. D. Harris
Hereditary Deficiencies in the Sense of Smell, pp. 647-648
Otto Glaser
Biological Principles in the Zoology Course, pp. 648-649
A. Franklin Shull
International Organization of Science, pp. 649-650
G. A. Miller


Quotations
A National Laboratory for the Study of Nutrition, pp. 650-651


Scientific Books
----------------, pp. 651-652
An Outline of the History of Phytopathology
Herbert Hice Whetzel
Review author[s]: J. C. Arthur


Special Articles
Resistance in the American Chestnut to the Bark Disease, pp. 652-653
Arthur Harmount Graves
The Occurrence of Azotobacter in Cranberry Soils, pp. 653-654
Selman A. Waksman


Back Matter (1 p.)

Previous Issue: New Series, Vol. 48, No. 1251, Dec. 20, 1918
Next Issue: New Series, Vol. 49, No. 1253, Jan. 3, 1919



©2000-2007 JSTOR