NEW SERIES. VOL. L.-JANUARY TO JUNE, 1920 THE NAMES OF CONTRIBUTORS ARE PRINTED IN SMALL CAPITALS Aerostatic Pressure and Gravity, A. McADIE, 144 KIRK, 321 Agriculture, N. Y. State College, 317, 431 ALEXANDER, J., Blue in Snow, 465 ALLEE, W. C., Amer. Soc. of Zoologists, 214 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; AMES, J. S., Einstein's Law, 253 Anesthetics, Local, H. G. BARBOUR, 497 Anopheles, F. E. CHIDESTER, 244 Anthropological Soc. of Washington, 39 Arctic Expedition, Canadian, 167 Aristotle and Galileo on Falling Bodies, F. CAJORI, ARMSBY, H. P., Organization of Research, 33 Ash Dune Plants, W. D. RICHARDSON, 546 Atmospheric Moisture, C. F. BROOKS, 440 Auroras, C. F. BROOKS, 392; JOEL STEBBINS, 485; Aviation, Psychology of, H. M. JOHNSON, 449 BINGHAM, W. V., Anthropology and Psychology, Biochemist in Hospitals, F. S. HAMMETT, 131 Biology, Course in, Y. HENDERSON, 64; L. L. BUR- Bird, Banding, 456; Stomachs, Echinoderms in, H. BIRKHOFF, G. D., Advances in Dynamics, 51 BLACKWELDER, E., U. S. Geological Survey, 346 BLAKESLEE, A. F., Sexuality in Mucors, 375, 403 Blood Serum of Limulus, L. LOEB, 17 Botanic School in Regents Park, 58 Botanical, Research, J. M. COULTER, 1; Achieve- ment, W. TRELEASE, 121; Station, Cinchona, D. BOVARD, J. F., Western Soc. of Naturalists, 299 BOWIE, W., Board of Surveys, 233 BOYD, P. P., State Academies of Science, 575 Brachiopod Fauna, Pocono, W. A. PRICE, 146 Brain Workers, Federations of, 272 BREED, R. S., Legume Nodules, 391 British, Research Associations, 38; Natural His- BROOKS, C. F., American Meteorol. Soc., 275; Rain- fall of the U. S., 324; West Indian Hurricane, 369; Auroras, 392; Rainfall Interception, 439; Atmospheric Moisture, 440; Irregularities in Brown, E. W., Motion of the Moon, 481 C., J. M., A Splendid Service, 44 Calculus, History of, A. S. HATHAWAY, 166 California, Acad. of Sci., 161; Inst. of Tech., 181 Carbon Dioxide, B. HARROW, 465; and Crop Pro- Cats, Killing, H. GUNTHORP, 87 Cerebellar Localization, F. R. MILLER, 413 CHAMBERLIN, R. T., Section E-Geology and Geog- Chemical Soc., Amer., C. L. PARSONS, 20, 69, 209, 342, 350, 373, 397, 444; Laboratory Supplies, W. L. ESTABROOKE, 155; Engineers, Inst. of, 410; Chemistry and Commerce, W. HAYNES, 188 Chick Embryos, E. R. CLARK, 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. R., Chick Embryos, 371 |