NEW SERIES. VOL. XLVI.-JULY TO DECEMBER, 1917 THE NAMES OF CONTRIBUTORS ARE PRINTED IN SMALL CAPITALS BAKER, W. C., Focault Pendulum, 489 Bayliss, W. M., Food and Diet, G. LUSK, 18 BENZIGER, M., M. H. FISCHER, M. O. HOOKER and Bergen, JOSEPH YOUNG, 379 BERRY, E. W., "Age and Area'' Hypothesis, 539 Boas, F., Tsimshian Mythology, J. R. SWANTON, 514 Boss, B., Catalogue of Stars, E. B. Knobel, 365 BOWIE, W., Use of Mean Sea Level as the Datum BREED, R. S., Popular Science, 238 BROOKS, C. F., Aerography, A. McAdie, 264 BUMSTEAD, H. A., Ocean Magnetic Observations, L. BURGE, W. E., The Catalase Content of Insects, CAIRNS, W. D., Math. Assoc. of Amer., 207 Carnegie Institution and the Public, R. S. WOOD- Catalase Content of Insects, 295; of Breast Muscle, Cereal, Conference, 11; C. W. HUNGERFORD, 316 Chemical, Laboratories and National Welfare, W. A. NOYES, 1; Soc., Amer., Kansas City Meeting, 94; Boston Meeting, C. L. PARSONS, 108, 119, 143, 169, 542, 571, 596, 621, 645; Industries, Chemicals and War in England, 427 Chemistry, and Phytogeography, J. A. HARRIS, 25; Teaching, H. A. CURTIS, 183; Outlook, J. STIEG- LITZ, 321; Pre-medical Training in, F. S. HAM- METT, 504; Colloid, of Fehling's Test, L. ROSEN- Chemists, War Service for, C. L. PARSONS, 451 China, Agricultural Education and Research, 54 Church, Professor, Tribute to, 535 Cilia in the Arthropoda, N. FASTEN, 440 Climatic, Pulsations, C. E. VAIL, 90; Index, C. CLUTE, W. N., Names of Plants, 483 Coast and Geod. Sur. and the War and Navy De- COFFMAN, W. D., M. H. FISCHER, M. BENZIGER and M. O. HOOKER, Polybasic Acids and their Salts, Coincidence, Remarkable, W. W. CAMPBELL, 36 COLE, F. N., Amer. Math. Soc., 369, 518 COLLEY, R. H., G. B. POSEY and G. F. GRavatt, Color Reactions, Intra-vitam, N. A. COвв, 167 COMPTON, A. H., and O. ROGNLEY, Ultimate Mag- netic Particle, 415 CONN, H. J., Chemical Transformation of Soils, 252 CONNER, S. D., Drainage and Soil Acidity, 346 Cook, O. F., Trans-Pacific Agriculture, 436 Cosmological Theory, W. H. MCNAIRN, 599 Cotton Rust in Texas, J. J. TAUBENHAUS, 267 CRANE, E. J., German-English Dictionary for Chem- Crossing-over in Sex Chromosomes, H. D. GOODALE, CURTIS, H. A., Teaching Chemistry, 183 Darwin, Erasmus and Benjamin Franklin, L. L. DAVIS, B. M., Amer. Soc. of Naturalists, 453 D. C., Amer. Assoc. of Variable Star Observers, 620 Discoveries and Inventions, 17 Discussion and Correspondence, 15, 36, 60, 88, 111, 139, 160, 183, 210, 237, 262, 288, 311, 340, 360, 386, 409, 432, 457, 483, 511, 538, 564, 586, 616, DOANE, R. W., Mites attacking Crops, 192; Smelter DOWNING, E. R., Enrollment in Science in High Dox, A. W., and G. P. PLAISANCE, Mannite in Si- DUANE, W., Radiation and Matter, 347 EASTMAN, C. R., Fish Names, Ancient and Modern, 228 ECKHARDT, E. A., When is a Force not a Force? 340 Ecology, Plant, and Agriculture, W. G. WATERMAN, 223 EIGENMANN, C. H., Zoological Research, 302 Electrical Engineers and U. S. Naval Reserve, 354 ELLEFSON, L. J., and I. C. HALL, The Aerobic Cul- Elliott, Daniel Giraud, Medal, 85 ELLIS, F. W., Apparatus for Physiological and ELLWOOD, C. A., The Social Sciences, 469 Equations as Statements, D. L. WEBSTER, 187 ERLANGER, J., Reply to Dr. Bleile, 409 Erlanger, Dr., Reply to, A. M. BLEILE, 111 Euler's Dynamical Equations, A. T. JONES, 312 Explanation, Simple, C. G. HOPKINS, 362 FALK, K. G., and J. M. NELSON, The Structure of Family History Register, C. W. HARGITT, 113 FASTEN, N., Cilia in the Arthropoda, 440 Faunal Conditions in S. Ga. Islands, R. C. FEWKES, J. W., Pueblo Ruin in Colorado, 255 Filing Pamphlets, M. R. MILLER, 263 Findlay, A., Chemistry, J. L. Howe, 364 Fireflies and Synchronism, F. C. GATES, 314 Firefly, Source of the Light in, E. N. HARVEY, 241 Fish Names, C. R. EASTMAN, 228 Forest Service, 306, 632 FOSTER, A. C., and F. A. WOLF, Bacterial Leaf Fowl Nematode, Transmitting, J. E. ACKERT, 394 FRASER, W. P., Apple Scab Fungus, 280 FREE, E. E., Gelatine and Agar Gels, 142 Fuel Research, British Experimental Stations, 506 Gager, C. S., Botany, E. C. JEFFREYS, 617 GARDNER, J. H., Kentucky as an Oil State, 279 GARRISON, F. H., Bibliography of William Henry GATES, F. C., Synchronism in the flashing of Fire- Gels, Gelatine and Agar, E. E. FREE, 142 Geological Survey, War Activities of, 633 Geologists, State, Amer. Assoc. of, W. O. HOTCH- Geology, Military, J. E. POGUE, 8; American, R. GOODSPEED, A. W., Amer. Philos. Soc., 219, 244 GORDON, C. E., Obtaining Amoeba, 212 GRANTHAM, A. E., Tillering of Wheat, 392 GRAVATT, G. F., and P. SPAULDING, Inoculations on Ribes, 243; G. B. POSEY, and R. H. COLLEY, Ure- Gravitational Repulsion, F. E. NIPHER, 293 GUDGER, W. W., N. C. Acad. of Sci., 193 Güssow, H. T., Plant Diseases in Canada, 362 HAAS, A. R. C., Anesthesia and Respiration, 462 HAMMETT, F. S., Pre-medical Training in Chem- istry, 504; and L. G. McNeile, Ingested Pla- centa and the Growth-promoting Properties of HARGITT, C. W., Family History Register, 113 HARKINS, W. D., The Structure of Atoms and the Evolution of the Elements, 419, 443 HARRIS, F. I. and H. S. HOYT, The Toxicity of HARRIS, J. A., Physical Chemistry and Phyto- Harvard University, McKay Bequest, 559. 241 Health, of Munition Workers, 353; Researches, HEDGCOCK, G. G., The Genus Phoradendron, W. HEDRICK, E. R., The Significance of Mathematics, 395 Hedrick, U. P., Peaches of New York, F. A. W., 439 HENDERSON, L. J., Acidiosis, 73 Herb Growing in the British Empire, 114 HILDEBRAND, S. F., U. S. Biol. Sta., 175 HOLLAND, W. J., Lacepéde or Lacepède, 484 HOLMES, H. H., Rhythmic Banding, 442 HOOKER, H. D., Jr., Law of the Minimum, 197 Hookworm, Progress in combating, 533 HOPKINS, C. G., A Simple Explanation, 362 HORNADAY, W. T., Animal Collections from Hornet's Nest, Unique, H. A. ALLARD, 313 HOTCHKISS, W. O., Amer. Assoc. of State Geol- HOUSE, H. D., Peck Testimonial Exhibit, 204 HOWARD, L. O., Konchugaku Hanron Jokwan, T. Miyakem, 113; Amer. Assoc. for Adv. Sci., 560 Howe, J. L., Chemistry, A. Findlay, 364; Sul- HRDLICKA, A., The Vanishing Indian, 266; Humidifiers, Radiator, E. P. LYON, 262 HUMPHREYS, W. J., The Magnetic Field of an HUNGERFORD, C. W., Cereal Pathologists, 316 Immunity, Aphis, of Teosinte-corn Hybrids, W. Indian, The Vanishing, A. HRDLICKA, 266 Industrial Research in America, 163 Inoculations on Ribes, P. SPAULDING and C. F. Ions, Gaseous, and their Recombination, P. B. Iowa Acad. of Sci., J. H. LEES, 44 Jackson, D. E., Pharmacology, D. I. MACHT, 388 JEFFREY, E. C., Botany, C. S. Gager, 617 JONES, A. T., Euler's Dynamical Equations, 312 Jones, E. Lester, Use of Mean Sea Level, W. JONES, L. W., Electromerism, 493 JORDAN, D. S., The Colors of Letters, 311 K., A. E., Telephone Apparatus, G. D. Shepard- KARPINSKI, L. C., Recreations in Mathematics, H. KEEN, W. W., A Predecessor of Priestley, 214 Kelsey, C., The Physical Basis of Society, F. S. Kentucky as an Oil State, J. H. GARDNER, 279 KEYES, C., Bonneville Lake Beds, 139 Keyser, C. J., The Human Worth of Rigorous KLOTZ, O., The New Moon, 290; Symbols, 360 Knobel, E. B., Catalogue of Stars, B. Boss, 365 KOFOID, C. A., Algæ, G. S. West, 413 KUNKEL, B. W., Benjamin Franklin, 437 Lacepède or Lacépède, W. J. HOLLAND, 484 LAIRD, E. R., The Third Law of Motion, 341 LANE, A. C., Economic Geology, H. Ries, 488 LANGFELD, H. S., Amer. Psychol. Assoc., 478 Larvae, Starvation of, J. E. WODSEDALEK, 366 LEES, J. H., Iowa Acad. of Sci., 44 LEWIS, G. N., The Static Atom, 297 LEWIS, J. V., The Phonograph, 587 Licks, H. E., Mathematics, L. C. KARPINSKI, 215 Liebig's Law of the Minimum, H. D. HOOKER, Light, Ultra-Violet, F. I. HARRIS and H. S. HOYT, Lighting, Laboratory, W. M. ATWOOD, 641 Lizard, Horned, Urine of, A. O. WEESE, 517 LOEB, L., Cancer, L. D. Bulkley, 266 Luminous and Non-luminous Insects, W. E. Lunge, G., Sulphuric Acid, J. L. HOWE, 438 Lusk, G., Nutrition, L. B. MENDEL, 641 McAdie, A., Aerography, R. C. BROOKS, 264 513 MCNAIRN, W. H., The Story of Cosmological MCNEILE, L. G., and F. S. HAMMETT, Ingested MACNIDE, W. DEB., Age and Acid Case Equi- MacNutt, J. S., Milk Problem, L. F. RETTGER, 292 MAGATH, T. B., Northern Lights, 290 Magnetic Particle, A. H. COMPTON and O. ROGN- Magnetism and Molecular Structure, A. P. WILLS, Malphigian Tubules, J. A. NELSON, 343 Mannite in Silage, A. W. Dox and G. P. PLAI- MANSON, MARSDEN, Antarctic Research, 639 MAST, S. O., Vitality of the Cysts of the Pro- Mathematical, Assoc. of Amer., W. D. CAIRNS, Mathematics, E. R. HEDRICK, 395 MATHER, K. F., Canadian Stratigraphy and Pale- Matter, The Structure of, G. K. FALK and J. M. MATTHEW, W. D., Man and the Anthropoid, 239 MAXWELL, S. S., Nerve Holder, 517 Mayo Foundation and the University of Minne- MEAD, C. A., The Aurora Borealis, 367 Medals, John Scott Legacy and Edward Long- Medical, Students and Conscription, 156, 232; Service for Army, 429; Officers, Rank and |