ABETTI, G., Intellectual Intercourse between Na-

tions, 369

ADAMS, C. C., Roosevelt Wild-Life Forest Ex. Sta.,
533

AGASSIZ, L., Smithsonian Institution, 300

Agricultural Production in the United States, 16

Airplane, Fuel, 302; in Surveying, E. L. JONES, 575

ALLEE, W. C., Amer. Assoc. for Adv. of Sci., Sec-

tion F, 100

ALLEN, E. W., Amer. Assoc. Adv. Sci., Section M-

Agriculture, 219

ALLEN, F. H., and F. A. LOVEJOY, Ice Formation,

119

Alphabet, A Standard, J. C. RUPPENTHAL, 191; A.

FANTI, 356

American, Association for the Advancement of Sci-

ence, Address of the President, 1; Baltimore

Meeting, 11; Addresses of the Vice-presidents,

Section D, 27; Section H, 53; Section E, 77;

Section F, 101; Section A, 127; Section B, 155;

Section C, 175; Section G, 199; Zoology, W. C.

ALLEE, 100; Scientific Organization, 112; Report

of the Treasurer, 122; Geology and Geography,

R. T. CHAMBERLIN, 124; Anthropology and Psy-

chology, E. K. STRONG, JR., 125; Committee on

Grants, J. STEBBINS, 211; Policy, L. O. HOWARD,

474; Agriculture, E. W. ALLEN, 219; Symposium,

Section G, G. T. MOORE, 269; G. R. LYMAN, 339;

J. M. COULTER, 363; Pacific Division, 483, 599;

Museum of Natural History, H. F. OSBORN, 477

Amphibioidei, C. L. HUBBS, 569

Anatomy, German Terms in, F. T. LEWIS, 307;
Renaissance, R. L. MOODIE, 472

Antarctic Expedition, 536

Anthropological, Assoc., Amer., 76; Research, F.

BOAS, A. HRDLIČKA, A. M. TOZZER, 426; Explora-

tions of Alaska, 491

Arizona, Field Work in, F. M. PERRY, 357

ARTHUR, J. C., Research as a University Function,
387

Astronomical Union, J. STEBBINS, 508

Atkinson, George Francis, 230; H. M. FITZPATRICK,
371

ATWELL, W. J., Pigmentation in Frog Larva, 48
Auroral Display, E. KARRER, E. P. T. TYNDALL,
495; G. I. GAVETT, 496; C. F. BROOKS, 542
Aviation, Psychological Research in, K. DUNLAP,
94, 215; E. L. THORNDIKE, 215
Aviator, Physiology of, Y. HENDERSON, 431

B. Coli Index, W. F. WELLS, 400

Bacteriology and Public Health, 511

Baird, John Wallace, E. B. TITCHENER, 393

BAKER, F. C., North American Lymnæidæ, 519

BARNES, P. T., Fireflies Flashing in Unison, 72

Barrell, Joseph, C. SCHUCHERT, 605

BARRUS, M. F., Potato Diseases, 542

BARUS, C., Spectrum Phenomena and Moving Motes,

72; Herschell's Fringes, 385

Base Hospital No. 21, 511

BASSLER, R. S., Paleontological Soc., 50
BAUER, L. A., Solar Eclipse of May 29, 1919
Bee, Queen, Mating, L. V. FRANCE, 72

Belgium, An Appeal from, P. P. CALVERT, 264
BERRY, É. W., Eucalyptus, 91

Biological, Literature, F. A. SPRAGG, 23; Surveys,
38; Summer Stations, 466

Biologists, Experimental, E. D. BROWN, 517

Biology, High-school, 443

Bird Reserves, Gaspé, J. M. Clarke, 350

Birth Rate, British, 402

Bison for Museums, H. I. SMITH, 517

Blackboard Illumination, P. F. GAEHR, 265

Blanchard, Raphael, F. H. GARRISON, 391

Blaringhem, Professor, Lectures by, 374

BOAS, F., Á. HRDLIČKA, A. M. TOZZER, Anthropo-

logical Research, 426

Botanical, Abstracts, J. R. SCHRAMM, 195; Sci-

ence, B. E. LIVINGSTON, 199; Participation in

War Work, G. T. MOORE, 269; Soc. of Amer.,

Generic Types, A. S. HITCHCOCK, 333; Oppor-

tunity, J. M. COULTER, 363; Dictionary, Prit-

zel's, 395

Botany, Kinds, the World Needs, G. J. PEIRCE,

81; American, Unification of, G. R. LYMAN, 339

Brain Power in the Army, 221, 251

BRAUN, H., Presoaking and Seed Injury, 544

BRIGHAM, G. R., Trilobites, C. D. Walcott, 543

British, Guiana Research Station, 231; Antarctic

Expedition, W. H. DALL, 265; Natural History

Museum, 323

BRITTON, W. E., Injurious Insects, F. L. Washburn,