iv SCIENCE 
Chemical, Warfare Service, 85, 363; Industries, Ex- 
position of, 188; Soc. Amer., Cleveland Meeting, 
C. L. Parsons, 184; Selection of Presidents of, 
464; Divisional Officers of, 489; Independence in 
United States, I. N. KuGEnMass, 608 
Chemistry, High-school, in Pennsylvania, A. SiL- 
VERMAN, 179; at College of City of New York, 
363 
Chemists, and Chemical Warfare Service, 290; 
American in Warfare, C. L. Parsons, 377; Or- 
ganic, Need of Another Philanthropist by, C. A. 
Morrow, 394; and Industries, 594 
Chestnut and Disease, A. H. GrAvuEs, 652 
Chicken Embryo, Abnormalities in, M. T. HEAMAN, 
476 
Ciona Intestinalis, Photosensitivity of, S. Hecut, 
198 
Circular Frequency, A. T. Jones, 447 
Civil Service Examinations, 315 
Clark, George Archibald, B. W. EvERMANN, 213 
Clinical Congress, American, Foreign Delegates to, 
488 
CopLentTz, W. W., Nonsilverable Containers for 
Silvering Minrors, 345 
Coefficient of Expansion of Tree Trunks, C. C. 
TROWBRIDGE and M. WEIL, 348 
Coun, E. J., and L. J. HENDERSON, Physical Chem- 
istry of Bread, 501 
Couz, F. N., Amer. Math. Soc., 399, 524 
Color Association, A. B. Smrru, 395 
Comstocr, G. C., Annals of Astronomical Obsery- 
atory of Harvard College, EH. C. Pickering, 397 
Comstock, J. H., The Wings of Insects, Z. P. Mrt- 
CALF, 322 
Conn, W. H., Agricultural Bacteriology, E. G. 
Hastines, 496 
Containers, Nonsilverable, for Silvering Mirrors, 
W. W. CoBLEentz, 345 
Cook, O. F., Meade Cotton, 11; Cotton as a Seed 
Crop, 167 
Corpus Luteum and the Sexual Cycle, L. Lorn, 273 
Cotton, Meade, O. F. Coox, 11; as a Seed Crop, 167 
Coulter, J. M., and M. C., Plant Genetics, D. F. 
JONES, 346 
Cranberry Soils, Azotobacter in, S. A. WAKSMAN, 
653 
Cross, C. R., Funds for Research in Astronomy, 75 
Crozimr, W. L., Position and Prospects of Botany, 
193 : 
Daecke, Von Adolf Erich, H., 487 
Davis, B. M., American Society of Naturalists, 511 
Botany after the War, 514 
Davis, W. M., Geological Terms in Geographical 
Descriptions, 81; League of Nations, 598 
Diabetes, Alcoholic Beverages in, W. E. Bures, 327 
Dicotyls, Origin of, G. R. WizLAND, 18 
Discussion and Correspondence, 11, 42, 67, 91, 113, 
138, 165, 191, 221, 247, 269, 294, 318, 348, 368, 
393, 417, 445, 469, 491, 514, 545, 573, 598, 619, 
646 
Dolomitization, Depth of, F. M. Van Tuy, 350 
Dutcuer, R. A., Whole-wheat Bread, 116 
Dyestuff Industry, Development of, 313 
Dynamics, Fundamentals of, W. S. FRANKLIN and 
B. MacNort, 113 
Ecuador, Medical Commission to, 465 
Edgewood Arsenal Laboratory, Library of, 440 
‘ConTENTS AND 
Inpex, 
Education, Science and Leadership, SYDENHAM, 477 
EIGENMANN, C. H., Irwin Expedition to Peru and 
Bolivia, 108 
Exiaw, W. E., Death of Thorild Wulff, 132 
Electrical Industries, British, after the War, 362 
Electro-Thermo-Regulator for Water Baths, C. H. 
Oris, 425 
Emmons, W. H., Economie Geology, A. C. LANE, 197 
Energy Relations of Plants, G. B. Riae, 125 
Engineering, National, Societies, 289; Education, 
420; Research, Endowment for, 441; School, 
Harvard, 636 
Engineers, Mining, American Institute of, 111 
EVERMANN, B. W., George Archibald Clark, 213 
Faircuitp, D., Private Institution for Inventors, 
446 
Farrcuip, H. L., Grove Karl Gilbert, 151 
Fat Droplets in Tissue Cultures, M. R. LEwiIs, 398 
Fats and Fatty Degeneration, M. H. FiscuEr, 194 
Ferrrxe, C. R., Glass Sands of Pennsylvania, 98 
Fireflies Flashing in Unison, E. 8. Morsz, 92; F. 
Morss, 418; G. H. Hupson, 573 
Fiscurr, M. H., and M. O. Hooxrr, Behavior of 
Protoplasm, 148; Fats and Fatty Degeneration, 
194 G 
Fisurr, W. J., Balance, Steelyard and Concept of 
Force, 427 
Fisheries, Bureau of, Summer Work at, 110, 216 
Fishes, Marketable, Nematodes on, H. P .K. AcErs- 
BorG, 493 
Flora of North Dakota, O. A. Stevens, 448 
Fly, House, H. B. Torrey, R. WHEALDON, 222 
Food Commission, Inter-allied, 60, 157° 
Fox, P. J., Foundations of Mechanics, 343 
Fragrance in Verbena Flowers, A. F. BLAKESLEE, 
298; O. GLASER, 647 
France, Greetings from British Societies, 160; in 
Biology and Medical Science, 600 
FRANKLIN, W. S8., and B. MacNurt, Fundamentals 
of Dynamics, 113; Foundations of Mechanics, 
471 
Fungi, Wood-destroying, and the Hydrogen Ion, M. 
R. Mracuam, 499 
Fungicide for Wheat and Barley Smut, W. W. 
Mackig, 515 : 
GaEuR, P. F., Visual Phenomena, 575 
Gags, 8. H., Hand-made Lantern Slides, 221 
Gainey, P. L., Soil Reaction and Azotobacter, 139 
Generic Determinations of Bees, C. ROBERTSON, 368 
Geographical, Soc., Royal, Recent Acquisitions of, 
462; Amer, and Peace Commissioners, 590 
Geological Terms in Geographical Descriptions, W. 
M. Davis, 81 
Geology and Meteorology, Military, M., 576 
Geometric Basis for Physical and Organic Phe- 
nomena, J. MILLIS, 353 
German, Shall Writers ignore Papers published in? 
W. J. Houzanp, 469 
Gilbert, Grove Karl, 65; H. L. Farcump, 151 
GinuEsPiz, L. J., Hydrogen-Ion Exponent and Oc- 
currence of Bacteria in Soil, 393 
GLASER, O., Hereditary Deficiencies in the Sense 
of Smell, 647 
GLASER, R. W., Polyhedral Virus of Insects, 301 
Glass Sands of Pennsylvania, C. R. Ferrxe, 98 
GoprreEy, G. H. and KE. F, Smiru, Brown Rot, 42 
GorTNER, R. A., Hydrolysis of Proteins, 122 
