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

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., A. 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,

425

BROOKS, C., Protein Antigens, 196

BROOKS, C. F., Auroral Display, 542

BROWN, E. D., Experimental Biologists, 517

BUDINGTON, R. A., William Erskine Kellicott, 322

BURGE, W. E., Oxidation in the Body, 594

C., L., Amer. Assoc. of Variable Star Observers, 243

CAIRNS, W. C., Mathematical Assoc. of Amer., 97

Calendar, A Steady, W. M. DAVIS, 171

California Academy of Sciences, 609

CALVERT, P. P., An Appeal from Belgium, 264

CAMERON, A. É., Gastrophilus Nasalis L., 26

Cardium Corbis, C. H. EDMONDSON, 402

Cary, M., Life Zone Investigations, H. C. OBER-

HOLSER, 312

Cawthron Institute, 490

Census Bureau, 38

CHAMBERLIN, R. T., Geology and Geography, 124
CHAMBERS, R., G. H. A. CLOWES, R. S. LILLIE,
Mustard Gas, 382

DABNEY, T. G., Frost Effects, 310

DALL, W. H., Antarctic Expedition, British, 265

DAVIS, B. M., Amer. Soc. of Naturalists, 75

DAVIS, C. W., and S. C. LIND, Uranium Ore, 441

DAVIS, W. M., Lantern Slides of N. France, 23;

Reminiscences, R. Pumpelly, 61; A Steady Cal-

endar, 171

DEAN, B., Charles Rochester Eastman, 139; Dr.

Moodie's Opisthotonus, 357

DEARBORN, N., David Ernest Lantz, 84

Desmognathus Fuscus, P. C. MITCHELL, W. E.

HOYLE, 283

FANTI, A., A Standard Alphabet, 356

Farm, Management, 351

FARRINGTON, O. C., Precious Stones, F. B. Wade,
217

Fatigue, Industrial, 86

FINK, C. G., Electroanalysis, E. F. Smith, 332

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

FISCHER, M. H., Colloid Chemistry and Soap, 615

Fisheries, College of, at Seattle, 279

Fishes, Vertebrae in, and Temperature, D. S. JOR-

DAN, 336

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

Flying, Human, M. E. WADSWORTH, 379

Folk-lore Soc., Amer., 76

Forest, Service, 141; Recreation, 491; Preserva-

tion, 584

Foresters, Amer., Soc. of, P. D. KELLETER, 126

Fox, P. J., Foundations of Mechanics, 44

FRANCE, L. V., Queen Bee Mating, 72

Freas System, W. L. ESTABROOKE, 506

FREAS, T. B., and W. L. ESTABROOKE, Duty Free

Supplies, 417

Frog Larva, W. J. ATWELL, 48
Frost Effects, T. G. DABNEY, 310

GAEHR, P. F., Difference-tones, 122; Illumination
of Blackboards, 265

GAGER, C. S., Horticulture as a Profession, 293

GARRISON, F. H., Raphael Blanchard, 391

Gas, Mustard, R. S. LILLIE, G. H. A. CLOWES, R.
CHAMBERS, 382; History of, C. J. WEST, 412;
Poison, Use of, H. LEFFMANN, 472
Gastrophilus Nasalis L., A. E. CAMERON, 26
GAVETT, G. I., Auroral Display, 1919, 496
Generic Limitations, O. A. STEVENS. 71; Determi-
nations of Bees, C. ROBERTSON, 422

Geodetic and Geodynamic Institute, British, 489

Geological Soc. of Amer., E. O. HOVEY, 173

Geomorphology, C. A. COTTON, 423

German Science after the War, 395

Glassware Industry, British, 85

GOODSPEED, A. W., Amer. Philos. Soc., 545

Government Grants for Scientific Research, 591

Green, Gabriel Marcus, W. F. Osgood, 534

GREGORY, H. E., Professor Williams at Yale, 63

GREGORY, W. K., Origin and Evolution of Man, 267

GRIGGS, R. F., Katmai National Monument, 236

Grinnell, H. W., Bats of California, W. P. TAYLOR,

193

Grinnell, J., H. C. Bryant, T. I. Storer, Game Birds
of California, W. S., 498

GUDGER, E. W., Monkeys to pick Coco Nuts, 146
GUNTHORP, H., Hay-fever and National Flower,
147

HACKH, I. W. D., Age of Chemical Elements, 328
HADLEY, P., Egg-Weight and Production, 427
HALL, C. I., Electro-Thermo-Regulator for Water
Baths, 214

VOL. XLIX.

HALL, E. H., Wallace Clement Ware Sabine, 347
HAMPSON, G. F., Systematic Papers in German, 193
Harvard, Appointments at, 444

HAWK, P. B., Desiccated Vegetables, 329
HAY, O. P., Proboscideans of New York, 377
Health, Public, and the University, G. E. VINCENT,

245; British Ministry of, 278; Degrees in, 325
HENDERSON, Y., Physiology of the Aviator, 431
Herds, Depleted, of England, France and Italy, 66
Herschell's Fringes, C. BARUS, 385
HILDEBRANDT, F. M., Physical Improvements in
Army Men, 404

Historical Science, G. A. MILLER, 447

History of Science, G. SARTON, 497

HITCHCOCK, A. S., Botanical Soc. of Amer., 333

HOAGLAND, D. R., Culture Experiments, 360

Honorary Degrees at Yale, 610

Hooker, Sir Joseph, T. D. A. COCKERELL, 525

Horticulture as a Profession, C. S. GAGER, 293

HOUSTON, D. F., Sulphonic Acids, 265

HOVEY, E. O., Geological Soc. of Amer., 173

HOWARD, L. Ó., Polyembryony and Encyrtidæ, 43;

Laboratory and Government Zoologists, 453;

Amer. Assoc. for Adv. of Sci., Committee on Pol-

icy, 474

HOYLE, W. E., Desmognathus Fuscus, 283

HUBBS, C. L., The Amphibioidei, 569

HUDSON, R. Celluloid Lantern Slides, 120

HUMPHREYS, W. T., Physics of the Air, 155, 182

HUNTER, A. F., Industrial Research in Ontario and

Prussia, 208

KNIPP, C. T., Cutting Pyrex Glass, 450

KNOPF, A., Mineral Deposits of S. A., B. L.

MILLER, 518

KOPF, E. W., Influenza Epidemic, 228

Lands, Classification of, 210

LANGFELD, H. S., Amer. Psychol. Assoc., 51
Lantern Slides of Northern France, W. M. Davis,
23; Celluloid, R. G. HUDSON, 120

Lantz, David Ernest, N. DEARBORN, 84

Lead, Radioactive, T. W. RICHARDS, 1

Le Conte Memorial Lecture, 537

LEE, H. A., and E. D. MERRILL, Citrus Canker, 499
LEFFMANN, H., Use of Poison Gas, 472
LEWIS, F. T., German Terms in Anatomy, 307; Con-
tributions to Embryology, F. P. Mall and others,
359

Lowy, A., Aliphatic Series of Organic Chemistry,
313

LYMAN, G. R., Unification of American Botany,
339

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

M., A., Wind and Barometric Pressure, Sir Napier

Shaw, 285

McAtee, W. L., Natural History of the District of

Columbia, H. C. OBERHOLSER, 568

MACCAUGHEY, V., Tropical Enervation, 44; Sugar

Technology in Hawaii, 582

MCCLUNG, C. E., Elementary Zoology, 345
MACDOUGAL, D. T., Growth in Organisms, 599
Mall, F. P., and others, Contributions to Embryol.
ogy, F. T. LEWIS, 359

Mammalogists, 189; Amer. Soc. of, 374
Map, of Brazil, 259; of U. S., 536
Mapping from the Air, 559
Mathematical, Assoc. of Amer., W. D. CAIRNS, 97;
Soc., Amer., F. N. COLE, 523

Mechanics, Foundations of, P. J. Fox, 44

Medical, Research in Australia, 230; Association,

British, 260; Assoc., Amer., Publications, 585;

Foreign Delegates, 609

Medicine, Inter-allied Fellowships of, 115; and
Growth, H. H. DONALDSON, 315; International
Cooperation in, 558; Future of, 566

Medieval Institutions, 188

Mellon Institute Fellowships, 462

Mendelian Phenomena, L. H. MILLER, 148

MERRILL, E. D., and H. A. LEE, Citrus Canker, 499

METCALF, C. L., Ocular of the Microscope, 310

METCALF, M. M., Scientific Spirit, 551

Meteorite, The Richardton, T. T. QUIRKE, 92; Cum-

berland Falls, A. M. MILLER, 541

Metric Assoc., Amer., 291