CONTENTS AND INDEX.
NEW SERIES. VOL. LIII.-JANUARY TO JUNE, 1921
NAMES OF CONTRIBUTORS ARE PRINTED IN SMALL CAPITALS
Acid, Base Equilibrium of the Blood, W. B. Mc-
NIDER, 141; Production Bacterium, S. A. WAKS-
MAN, J. S. JOFFE, 216
Acoustic Pressure and Dilation, C. BARUS, 489
Aedes sollicitans, S. F. HILDEBRAND, 163
Age-computing Device, C. M. Kelley, 518
Agricultural, Science, A. F. WOODS, 27; Journal,
Canadian, 182
Agriculture, Retiring Secretary of, Dinner in
Honor of, 207
Agronomy, Amer. Soc. of, P. E. Brown,. 344
Alaska Forests, Administration of, 86
ALLEE, W. C., Amer. Soc. of Zoologists, 97
ALLEN, R. F., Stem Rust in Kanred Wheat, 575
ALLEN, W. R., Expedition of Indiana University
to Peru, 377
Amazon, Expedition to the Upper Basin of the,
514
American Association for the Advancement of Sci-
ence: Chicago Meeting, 1; Report of the Treas-
urer, 167; Financial Report of the Permanent
Secretary, 169; Grants for Research, 281; Ex-
ecutive Committee, B. E. LIVINGSTON, 475; Re-
port of the Permanent Secretary, B. E. LIVING-
STON, 548; Vice-presidential Addresses: Agricul-
tural Science, A. F. WOODS, 27; Organization
of Research, W. M. WHEELER, 3; Psychology
and Medicine, R. M. YERKES, 106; Anthro-
pology and our Nation, A. E. JENKS, 147;
Structural Failure of the Lithosphere, C. K.
LEITH, 196; Decade of American Mathematics,
O. D. KELLOGG, 541; Section A and Mathe-
matical Organizations, W. H. ROEVER, A.
DRESDEN, W. D. CAIRNS, 342; Section E-
Geology and Geography, R. T. CHAMBERLIN,
242; Section F-Zoology, H. V. NEAL, 76;
Section L, G. A. MILLER, 257; Section L-His-
tory of Science Sessions, F. E. BRASCH, 315;
Scientific Apparatus and, 494; Pacific Division,
W. W. SARGEANT, 464; Western Division, 48;
Organization Meeting at Pennsylvania State
College, 531; Museum of Natural History, 157,
158; Scientific Staff of the, 231
Amoeboid Movement, L. LOEB, 261
Anæsthetics, Giving, J. R. SLONAKER, 75
Anatomic Illustration, R. L. MOODIE, 259
ANDERSON, E. V., R. A. DUTCHER, C. H. ECKLES,
J. W. WILBUR, Cow's Milk, 446
Angell, Dr., Election of, as President of Yale
University, 184
Anthropological Publications of Canadian Arctic
Expedition, 86
Anthropology, Value of, A. E. JENKS, 147
Anthropometric Measurements, H. H. WILDER, 20
Apparatus, Duty on Scientific, 494
Archeological Specimens, W. K. MOOREHEAD, 213
""
"Denudation, "Erosion,"
412
"Corrosion" and "Corrasion,
BODINE, J. H., Stock Cultures of a Protozoon, 92
Botanical Soc. of Amer., Committee on Nomen-
clature, A. S. HITCHCOCK, 312
Botany, Some Economic Phases of, L. H. PAM-
MEL, 4
Bottle drift, J. W. MAVOR, 187, 389
Bowdoin Medical School, 15
BOWMAN, H. H. M., Youngken's Pharmaceutical
Botany, 189
BRASCH, F. E., History of Science Sessions, 315
BRIDGES, C. B., Fourth Chromosome of Droso-
phila Melanogaster, 308
BRIGHAM, W. T., Hawaiian Olona, 21
British, Association, 280; Edinburgh Meeting, 360;
Dyestuffs Corporation, 415
BRITTON, N. L., Flora of Northern S. Amer., 29
BROWN, P. E., Amer. Soc. of Agronomy, 344
Bryozoa as Food for Other Animals, R. C. Os-
BURN, 451
BULL, A., High Frequency Oscillations, 43
Bumstead, Henry Andrews, Resolutions on Death
of, 70; R. A. MILLIKAN, 84