CONTENTS AND INDEX. 



NEW SERIES. VOL. L.— JANUARY TO JUNE, 1920 



THE NAMES OF CONTRIBUTORS ARE PRINTED IN SMALL CAPITALS 



Aerostatic Pressure and Gravity, A. McAdie, 144 

 Acceleration, Centripetal, and Weight, B. L. New- 

 kirk, 321 

 Agriculture, N. Y. State College, 317, 431 

 Alexander, J., Blue in Snow, 465 

 Allee, "W. C, Amer. Soe. of Zoologists, 214 

 Allegheny Observatory, 458 

 Allen, W. E., Micro-plankton, 487 

 Alter, D., Sunspots and Earthquakes, 486 

 American Association for the Advancement of Sci- 

 ence : A Ticket to St. Louis, Schoolmaster, 16 ; 

 St. Louis Meeting, G. T. Moore, 48 ; Grants, 83 ; 

 Dues and Salaries, 115; Financial Report, 194; 

 Minutes of the Executive Committee, B. E. Liv- 

 ingston, 470 ; Vice-presidential Address, Public 

 Health, C.-E. A. Winslow, 23; Advances in 

 Dynamics, G. D. Birkhopf, 51 ; Biologist, Mes- 

 sage of, W. Patten, 93 ; Anthropology and Psy- 

 chology, A. Hrdli5ka, 199; Physics in War and 

 Peace, G. F. Hull, 221 ; Sexuality in Mucors, A. 

 F. Blakeslee, 375, 403; Section A — Mathe- 

 matics and Astronomy, F. E. Moulton, 220 ; 

 Section B — Physics, G. W. Stewart, 352; Sec- 

 tion E — Geology and Geography, E. T. Cham- 

 BERLIN, 491, 518; Section F — Zoology, H. V. 

 Neal, 147; Section H — Anthropology and Psy- 

 chology, E. K. Strong, 418, 441; Pacific Coast 

 Division, 457, 532; Southwestern Division. 509; 

 Eesearch after the 'War, E. A. Harper, 473 

 Ames, J. S., Einstein's Law, 253 

 Anesthetics, Local, H. G. Barbour, 497 

 Anglo-American Library, 480 

 Anopheles, F. E. Chidester, 244 

 Anthropological Soe. of Washington, 39 

 Anthropology and Psychology, W. V. Bingham, 353 

 Ants and Scientists, A. Mann, 87 

 Aquarium, Steinhart, 136 

 Arctic Expedition, Canadian, 167 

 Aristotle and Galileo on Palling Bodies F. Cajori, 



615 

 Armsbt, H. p.. Organization of Eesearch, 33 

 Arthur, J. C, Busts, 246 

 Ash Dune Plants, W. D. Richardson, 546 

 Atm-osphere, High Levels in, A. McAdie, 287, 438; 



J. G. Coffin, 366 

 Atmospheric Moisture, C. F. Brooks, 440 

 Auroras, C. F. Brooks, 392; Joel Stebbins, 485; 



E. D. EoE, Jr., 486 

 Aviation, Psychology of, H. M. Johnson, 449 



Baker, F. C, Fish Food, C. Juday, 273 

 Baker, H. P., Eesienation of, 136 

 Ballistics, A. G. Webster, 368 

 Barbour, H. G.. Local Anesthetics, 497 

 Barker, H. C, Siphon, 489 

 Base Maps of the XT. S., 213 

 Bauer, L. A., Solar Eclipse, 201, 581 

 Benedict, F. G., Professor Pawlow, 243 

 Berry, E. W., Seward's Fossil Plants, 47; F. H. 

 Knowlton, Fossil Plants, 369 



Bingham, W. Y,., Anthropology and Psychology, 

 353 



Biochemist in Hospitals, F. S. Hammett, 131 



Biological Surveys, 40 



Biology, Course in, Y. Henderson, 64; L. L. BuR- 

 lingame and E. G. Martin, 452 



Bird, Banding, 456; Stomachs, Eehinoderms in, H. 

 L. Clark, 594 



BiRKHOFF, G. D., Advances in Dynamics, 51 



Blaokwelder, E., U. S. Geological Survey, 346 



Blakeslee, a. P., Sexuality in Mucors, 375, 403 



Blood Serum of Limulus, L. Loeb, 17 



Botanic School in Eegents Park, 58 



Botanical, Eesearch, J. M. Coulter, 1; Achieve- 

 ment, W. Trelease, 121; Station, Cinchona, D. 

 S. Johnson, 235 



Bovakd, J. F., Western Soe. of Naturalists, 299 



Bowie, W., Board of Surveys, 233 



Boyd, P. P., State Academies of Science, 575 



Boyle Medal, 266 



Braehiopod Fauna, Pocono, W. A. Price, 146 



Brain Workers, Federations of, 272 



Breed, E. S., Legume Nodules, 391 



British, Eesearch Associations, 38; Natural His- 

 tory Museum, 88 ; Association, 627 



Brooks, C. P., American Meteorol. Soe., 275; Eain- 

 fall of the U. S., 324; West Indian Hurricane, 

 369; Auroras, 392; Eainfall Interception 439; 

 Atmospheric Moisture, 440; Irregularities in 

 Temperature, 488 



Brown, E. W., Motion of the Moon, 481 



Burgess, E. S., Eaymond B. Earle, 340 



BuRLiNGAME, L. L., General Biology, 452 



C, J. M., A Splendid Service, 44 

 Cajori, F., Palling Bodies, 615 

 Calculus, History of, A. S. H.athaway, 166 

 California, Acad, of Sci., 161; Inst, of Tech., 181 

 Calvert, P. P., Bust of E. D. Cope, 264 

 Cambridge Nat. Sci. Club, 238 



Carbon Dioxide, B. Harrow, 465; and Crop Pro- 

 duction, M. W. Senstius, 614; Monoxide, W. 

 M., 437 

 Cats, Killing, H. Gunthorp, 87 

 Cerebellar Localization, F. E. Miller, 413 

 Chamberlin, E. T., Section E — Geology and Geog^ 



raphy, 491, 518 

 Chemical Soe., Amer., C. L. Parsons, 20, 69, 209, 

 342, 350, 373, 397, 444; Lalboratory Supplies, W. 

 L. EsTAEROOKE, 155; Engineers, Inst, of, 410; 

 Industries, 628 

 Chemistry and Commerce, W. Haynes, 188 

 Chick Embryos, E. E. Claek, 371 

 Chidester, F. E., Anopheles, 244 

 Chlorine, Separation of, W. D. Harkins, 289 

 Chromosomes and Linkage, C. W. Metz, 417 

 Chumley on Fauna of Clyde Sea, C. A. KoroiD, 65 

 Clark, E. E., Chick Embryos, 371 

 Clark, H. L., Eehinoderms in Bird's Stomachs, 594 

 Coast and Geodetic Survey, 10, 608 



