CONTENTS AND INDEX. 



NEW SERIES. VOL. L.-JULY TO DECEMBER, 1919 



THE NAMES Or CONTEIBUTORS AKE PRINTED IN SMALL CAPITALS 



Abbott, Charles Conrad and Ernest Volk, G. F. 



Wright, 451 

 Abetti, G., Scientific Mobilization in Italy, 196 

 Acceleration, C. Heking, 393; G. M. Sparrow, 482 

 Acoustic Effects of Wires, H. Clark, 526 

 Agricultural Botany, H. F. Egberts, 549 

 Airplanes and the Weather, C. E. Brooks, 483 

 Alaska, Expedition to, from California Museum, 13 

 AUardyce, Lady, Death of, J. M. Clarke, 585 

 Allee, W. C, Anier. Soc. of Zoologists, 497 

 Allen, W. E., Naturalist 's Place in his Community, 



448 

 American, Association for the Advancement of Sci- 

 ence, and History of Science, E. E. Brasch, 66; 

 Symposium, Pacific Section, W. E. Ritter, 119, 

 G. E. Hale, 143, C. H. Rowell, 146; Proposed 

 Constitution and By-Laws, 474; Section P, H.V. 

 Neal, 478 ; Committee of Policy, L. O. Howard, 

 487; Section E, 498; Secretaryship of, 498; St. 

 Louis Meeting, 522, 539, 587; Grants for Re- 

 search, J. Stebbins, 559; Men of Science, Third 

 Edition, J. McK. Cattell, 90 

 Antarctic Expedition, New British, 85 

 Anthony, H. E., Mammals lof Porto Rico, R. L. 



MOODIE, 91 

 Anthropological Society of Philadelphia, 84 

 Apparatus, Scientific, Tariff on, 454 

 Appeal, E. Pearl, 524 



Abmsby, H. p.. National Institute of Nutrition, 242 

 Ash, C. H., Duty-free Importation, 55 

 Astronomical Soc, Amer., J. Stebbins, 507 

 Astronomy, American, 179 

 Atmospheric Pollution, 501 



Atomic, Energy, 388; Projectiles and their Collis- 

 ions with Light Atoms, E. Rutherford, 467 

 Atoms, Building, W. D. Harkins, 577 ; Disruption 



of, G. S. Fulcher, 582 

 Auroral Displays, C. E. Brooks, 185, • 230 ; E. 

 Ehrenpeld, 185; W. A. Conrad, 186; J. Dick- 

 inson, 230 ; 0. B. Waldron, W. E. Rigge, 347 

 Australia, Science in, 36 



Babeock, H. L., Turtles of New England, J. T. 



Nichols, 115 

 Bacteria, Photographing Colonies of, A. A. Cope, 



229 

 Bacterium Solanacearum in Beans, B. P. Smith, 



L. McCulloch, 238 

 Balch, E. N., Living Lamellibranehs, E. S. Morse, 



415 

 Barren, J., and others, Evolution of the Earth, E. 



L. MOODIE, 140 



Barus, C, Motion of a Gravitating Needle, 214; 



Interaction of Gravitating and Radiant Forces, 



279 

 Bauer, L. A., Geophysics at the Brussels Meetings, 



399 

 Bean Seed and Blight, C. W. Rapp, 568 



Beef, Raw Lean, R. A. Dutcher, E. M. Pierson, A. 



BlESTEK, 184 



Behavior, Instinctive, in tfhe White Eat, 0. R. 

 Griffith, 166; B. W. Kunkel, 305 



Bell, L., Visibility of Bright Lines, 331 



Bellamy, A. W., C. M. Child, Physiological Isola- 

 tion in Plants, 362 



Bennett, J. P., J. G. Dickson, Bourdnion Water 

 Still, 397 



Bent, A. C, North American Diving Birds, E. C. 

 Oberholser, 329 



Benton, E. J., History of Science and American 

 Historical Association, 478 



Biester, a., R. a. Dutcher, E. M. Pierson, Raw 

 Lean Beef, 184 



Biology Course in American Colleges, G. E. Nich- 

 ols, 509 



Birth-rate, Significance of Declining, E. Hates, 533 



Births and Deaths in Civil Population of France 

 during the War, V. Kellogg, 304 



Blan CHARD, A. A., Laboratory Instruction in Chem- 

 istry, 112 



Boas, E. P., Mortality Statistics of Insured Wage 

 Earners, L. I. Dublin, 278 



Bogue, R. H., Cooperation between the College and 

 Industry, 425 



Bollet, H. L., Ofiicial Crop Inspection, 193 



Botanical Education, C. S. Gager, 263 



Bourdillon Water Still, J. P. Bennett, J. G. Dick- 

 son, 397 



Box Huckleberry, Extinction of, P. V. Covillb, 30 



Brasch, F. E., History of Science and Amer. As- 

 soc, for Adv. of Sci., 66 



Briggs, C. H., Digestibility of Branny Coats of 

 Wheat, 427 



British, National Physical Laboratory, New Ant- 

 arctic Expedition, 85; Scientific Products Ex- 

 hibition, 104; Parliament and Medical Research, 

 105; Science and Industry, 115; Association for 

 Advancement of Science, 372; Address of the 

 President, 333, 355, 383; and Research, 561; 

 Math, and Physical Sect., 377; Work of, 396 



Brooks, C. F., Meteorological Aspects of Trans- 

 Atlantio Flight, 91, 374; Meteorology as a Sub- 

 ject for Study, 164; Winter of 1918-1919, 165; 

 Organization of Amer. Meteorol. Soc, 180, 546; 

 Auroral Displays, 188, 230; Agricultural Meteor- 

 ology, 350; Winds; Airplanes and the Weather, 

 483 



BuENO, J. R. DE LA J., Constants and Variables, 593 



Bull, A., Gravitation and Uranium Lead, 69 



BuMPUs, H. C, Vinal N. Edwards, 34 



Cadavers, Preservation of, W. A. Meyer, 570 

 Cady, H. p., H. McK. Elsey, Cronium in Helirun 



from Natural Gas, 71 

 Camouflage, Marine, 205 

 Calculus^ Discovery of,, A. S. Hathaway, 41 



