CONTENTS AND INDEX. 



NEW SERIES. VOL. LII.— JULY TO DECEMBER, 1920 



NAMES OF CONTRIBUTORS ARE PRINTED IN SMALL CAPITALS 



Abel, 0, Die Stamnie der Wirbelthiere, W. D. 



Matthew, 37 

 Absorption.- Transpiration Ratio in Nutrient Media, 



E. S. Johnston, 517 

 Adams, E. Q., Rational System of Units, 527 

 Aerologieal Work in the United States, C. L. 



Meisinger, 410 

 African Rift Valleys, W. M. Davis, 456 

 Ages of Animals, J. E. Slonaker, 134 

 Agricultural Work at University of Nanking, 192 

 Agronomist and Eood Supply, F. S. Harris, 395 

 Ai toff's Equal-area Projection of the Sphere, 8 

 Alaska, Agriculture, 101; Surveys in 1920, 125; 



Forests, 244 

 Albino Vertebrates, J. S. Dexter, 130 

 Allard, H. a.. Plight of Fireflies and Flashing 



Impulse, 537 

 Allbutt, T. C, Medical Research, 115 

 Allee, W. C, Journal of Morphology, 84 

 Allen, B. M., Transplantation of Hypophysis, 274 

 American Association for the Advancement of Sci- 

 ence: Meeting of Pacific Division, W. W. Sar- 

 gent, 113; Grants, 403; Minutes of Executive 

 Committee, B. E. Livingston, 495; Cliicago 

 Meeting, 504, B. E. Livingston, 521; Section 

 — Agriculture, J. G. Lipman, 64; Section of 

 Zoology, 461 ; Status of Affairs of, B. E. Living- 

 ston, 499; Address of the President, Simon 

 Flexner, 615 

 Ameghino, Works of, R. L. Moodie, 469 

 Anatomical Literature, H. V. Wilson, 178 

 Anopheles, Larvae, J. Zetek, 15; Swarming of, L. 



O. Howard, 468 

 Anthropological Problems of the Far East, A. 



Hrdlicka, 567 

 Anthropology, Institutes of, K. Pearson, 371 

 Anti-vivisection, California Legislation, 334 

 Arnold, E., Earthquakes at Los Angeles, 121 

 Astronomical Soc, Amer., J. Stebbins, 542 

 Astronomy, Daily Influence of, W. W. Campbell, 



545 

 Atmometers, B. E. Livingston and F. Thone, 85 

 Atoms in Common Metals, A. W. Hull, 227 

 Australia, Booming Lizard, W. H. Bone, 273 

 Austrian Meteorologists' Appeal for Aid, 357 



Bacteriology, Twenty-five Years of, S. Flexner, 

 615 



Baldwin, W. M., X-ray Energy acting upon Frogs ' 

 Ova, 229 



Banks, Joseph, Centenary of, 123 



Barbour Microdissection Apparatus, H. B. Good- 

 rich, 252 



Barton, S. G., Eric Doolittle, 378 



Barus, C, Spiral Nebulae, 112; Compression of a 

 Sound Wave, 586 



Batsman, H., Electricity and Gravitation, 314 



Bather, F. A., Fossils and Life, 257 



Bauer, L. A., Light Deflection in Solar Eclipse, 

 147 



Belling, J., A. F. Blakeslee and M. E. Fakn- 

 EAM, Chromosomal Duplication, 388 



Bergeim, O., E. J. Miller and P. B. Hawk, Gas- 

 trio Eesponse to Foods, 253 



Berry, E. W., Diastrophism, 315; Paleontology 

 and Pragmatism, 529 



Biochemical Research in England, 37 



Biometric Laboratories at University College, 30 



Biophysics, A. Forbes, 331 



Bishop Museum and Pan-Pacific Scientific Con- 

 gress, C. Schuchert, 74; Expeditions, 311 



Black Fish, Autopsy of, G. A. MacCallum, 387 



Blakeslee, A. F., J. Belling and M. E. Faen- 

 HAM, Chromosomal Duplication, 388 



Blatchley, W. S., Orthoptera, A. N. Caudell, 251 



Blood Coagulation, A. R. Rich, 38 



Bone, W. H., Booming Lizard of Australia, 273 



Botany, Introductory Course in, B. M. Davis, 597 



Boring, E. G., Gaussian Law, 129; Human 

 Heights, 464 



Bouvier, C. L., La Vie Psychique des Insects, W. 

 M. Wheeler, 443 



BoviNG, A. G., John Sahlberg, 216 



Brasch, F. E., History of Science Section and 

 Progress of Science, 559 



Brewster Collection of Birds, 32 



Briggs, F. N. and W. W. Mackie, Fungicidal 

 Dusts for Control of Smuts, 540 



British, Association, 209. 233, 257, 273, at Cardiff, 

 341; Science Guild, 76; Chemists, Headquar- 

 ters for, 168; Department of Scientific and In- 

 dustrial Research, 288 ; National Physical Lab- 

 oratory, 310; Ministry of Agriculture, 485; 

 National Union of Scientific Workers, 576 



Brooks, C. F., Amer. Meteorological Soc, 205 



Brues, C. T., Research Problems, 492 



Burr, P. P., H. H. Platt and S. R. Williams, 

 Mirages, 290 



Cajori, p., Galileo's Experiment, 409 



Calcium Metabolism, E. B. Hart, H. Steenbock 

 and C. A. Hoppert, 318; E. P. Robb, 510 



California, Acad, of Sci., Lectures on Astronomy, 

 335; Collection of Birds, 486; Institute of Tech- 

 nology, 356 



Campbell, W. W., Relations with Teutonic Scien- 

 tists, 109 ; Daily Influence of Astronomy, 545 



Canada, Power Resources, 332 



Carlson, C. O., Nebraska Academy of Science, 

 471 



Carnegie Foundation and Research in Colleges, L. 

 A. Rogers, 176 



