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NEW SERIES. VOLUME LII.

JULY-DECEMBER, 1920

NEW YORK
THE SCIENCE PRESS

1920

THE NEW ERA PRINTING COMPANY, 41 NORTH QUEEN STREET,

LANCASTER, PA.

CONTENTS AND INDEX.

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

NAMES OF CONTRIBUTORS ARE PRINTED IN SMALL CAPITALS

Abel, O, Die Stämme der Wirbelthiere, W. D.
MATTHEW, 37

Absorption-Transpiration Ratio in Nutrient Media,
E. S. JOHNSTON, 517

ADAMS, E. Q., Rational System of Units, 527
Aerological Work in the United States, C. L.
MEISINGER, 410

African Rift Valleys, W. M. DAVIS, 456

Ages of Animals, J. R. SLONAKER, 134

Agricultural Work at University of Nanking, 192

Agronomist and Food Supply, F. S. HARRIS, 395

Aitoff'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., Flight 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; Chicago
Meeting, 504, B. E. LIVINGSTON, 521; Section
0-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, R., Earthquakes at Los Angeles, 121
Astronomical Soc., Amer., J. STEBBINS, 542
Astronomy, Daily' Influence of, W. W. CAMPBELL,

545

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BATEMAN, 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. FARN-

HAM, Chromosomal Duplication, 388

BERGEIM, O., R. J. MILLER and P. B. HAWK, Gas-

tric Response 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. FARN-

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

BÖVING, 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, F. F., H. H. PLATT and S. R. WILLIAMS,
Mirages, 290

CAJORI, F., Galileo's Experiment, 409

Calcium Metabolism, E. B. HART, H. STEENBOCK
and C. A. HOPPERT, 318; E. F. 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

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