Walden, P. T., double chlorides, bro- mides and iodides of cæsium and cadmium, vi, 425; cæsium-cupric bromides, vii, 94; double chlorides and bromides of cæsium, rubidium, potassium and ammonium, viii, 283. Waldo, F., Brückner's Klimaschwank- ungen, i, 141; wind velocities in the United States, ix, 431; diurnal rise and fall of the wind in the U. S., 1, 235. Walker, T. L., nickeliferous pyrite, Sudbury, Ont., vii, 312. Walther, J., die Denudation in der Wüste, etc., ii, 177; Bionomie des Meeres, vi, 240.
Ward, H. A., meteorite from Japan, v, 153; Plymouth meteorite, ix, 53. Ward, L. F., age of plants of Ameri- can Trias, iii, 157.
Washburn Observatory publications, i, 76.
Washington Philosophical Society, Bulletin, iv, 258.
Water, amount of, in the soil after a drought, Reiset, vi, 157.
density variation with tempera- ture, Mendeléeff, iii, 239.
determination, Penfield, viii, 30. expansion of, Marek, ii, 427. of the salt lake of Oahu, ii, 522. volumetric composition, Worley, i, 220, 276.
Watts, George, vegetable resources of India, viii, 511.
Wave, explosive, in solid and liquid bodies, Berthelot, ii, 66. Waves in air, Raps, vi, 479.
electric, see under Electric. Wead, C. K., intensity of sound, i, 232; ii, 21.
Weather, a short cycle in, Hall, v, 227. Weather periods, Clayton, vii, 223. Weed, W. H., formation of travertine
and siliceous sinter, i, 158; gold- bearing hot spring deposit, ii, 166; sulphur, orpiment and realgar in the Yellowstone, ii, 401; Laramie and Livingston formations in Mon- tana, vii, 404; igneous 1ocks of Montana, 1, 309, 467; phonolitic rocks from Montana, 1, 506. Weichmann, F. C., Lecture notes on Theoretical Chemistry, vi, 300. Weinschenk, E., meteoric stone, Washington Co., Kansas, iii, 65; meteoric irons, Floyd Co., Va., and Atacama, Chili, iii, 424.
Weisbach, Mechanics of Hoisting Machinery, vii, 159.
Weissmann, A., Essays upon Heredity, iii, 166.
Well at Wheeling, W. Va., Hallock, iii, 234.
Weller, S., fossil faunas at Spring- field, Missouri, ix, 185.
Wells, H. L., composition of pollu- cite, i, 213; self-feeding Sprengel pump, i, 390.
cæsium trihalides, iii, 17; rubid- ium and potassium trihalides, iii, 475. 42;
alkali-metal pentahalides, iv, herderite from Hebron, Me., iv, 114; double halides of silver and the alkali-metals, iv, 155; cæsium and rubidium chloraurates and bro- maurates, iv, 157; cæsium-mercuric halides, iv, 221.
caesium-lead and potassium-lead halides, v, 121.
ammonium-lead halides, vi, 25; rubidium-lead halides, etc., vi, 34; double salts of lead tetra-chloride, vi, 180; quantitative determination of cæsium, vi, 186; peculiar halides of potassium and lead, vi, 190; double chlorides, bromides, and iodides of cæsium and cadmium, vi, 425; double chlorides, bromides and iodides of cæsium and zinc, vi, 431.
cæsium-cupric chlorides, vii, 91, 96; cæsium-cupric bromides, vii, 94.
leadhillite, Missouri, viii, 219.
compounds containing lead and extra iodine, 1, 21; double salts of cæsium chloride, etc., 1, 249; am- monium cuprous double halogen salts, 1, 390.
West Indies, observations in, Agassiz, v, 78, 358.
Wheeler, H. A., ferro-goslarite, i, 212;
Missouri barite, ii, 495; rubidium and potassium trihalides, iii, 475; alkali-metal pentahalides, iv, 42; alkaline iodates, iv, 123; double halides of silver and the alkali- metals, iv, 155; cæsium and rubid- ium chloraurates and bromaurates, iv, 157; double halides of tellu- rium with potassium, rubidium and cæsium, v, 267; double halides of arsenic with cæsium and rubidium, vi, 88; double halides of antimony with rubidium, vi, 269. Whidborne, G. F., Devonian Fauna of So. England, vii, 402. White. C. A., Bear River formation, iii, 91.
White, D., a new taeniopterid ferd | Williamson, W. C., fossil plants of
White, I. C., stratigraphy of bituminous coal field of Peni
vania, Ohio, and W. Virginia,, 156; Mannington oil-field, iv, 7 Whiteaves, J. F., Devonian fos iv, 429; Unio-like shell from, Coal Measures, vii, 146. Whitely, R. L., Chemical calculati iv, 73.
Whitfield, R. P., Cretaceous fossil Syria, iii, 159; geol. survey of Jersey, vi, 308; Paleozoic corallin ix, 323.
Whitmore, J., method of increas the range of capillary electromet iv, 64.
Whitney, A. W., refraction of lig upon the snow, v, 389. Whittle, C. L., an ottrelite-beari phase of a metamorphic conglo erate in the Green Mts., iv, 27 main axis of the Green Mts., v 347.
Whymper, E., Appendix to Trave
amongst the Andes, iii, 436. Wiechmann, F. G., sugar analysis i, 69.
the Coal-Measures, i, 437; v, 437. Willis, B., Appalachian faulting, vi,
Willis, O. R., Practical Flora, ix, 77. Willson, R. W., thermal conductivi- ties of marble and slate, 1, 435. Wilson, H. M., Manual of Irrigation Engineering, v, 442.
Winchell, H. V., age of the Saganaga syenite, i, 386; Cretaceous in Min- nesota, vii, 146.
Winchell, N. H., geological survey of Minnesota, i, 246; v, 73.
Wind, internal work of, Langley, vii, 41; in the U. S. diurnal, rise and fall, Waldo, 1, 235; velocities of, in the U. S., Waldo, ix, 431. Winslow, A., geological survey of Missouri, bulletin, i, 248, 329, 435, 444, v, 354; flexibility of lime- stone, iii, 133; coal-deposits of Missouri, iii, 435; Cambrian in Missouri, v, 221.
Wilde's explication of terrestrial mag netism, Bauer, iii, 496. Wilder, quarter century book, vii, 80 Wiley, H. W., Agricultural Analysis. 1, 431.
Wisconsin Academy of Sciences, trans- actions, iv, 262.
Wolff, J. E., Cambrian fossils in the Stockbridge limestone of Vermont, i, 435.
apparatus for geological labora- tory, vii, 355. Wood, H., Cretaceous of northwest- ern Montana, iv, 401. Wood, R. W., Jr., pressure on ice, i, 30; combustion of gas jets under pressure, i, 477; demonstration of caustics, 1, 301.
Williams, E. H., Jr., age of extra- moraine fringe in East. Pennsyl- sylvania, vii, 34; southern ice limit in Eastern Pennsylvania, ix, 174. Woods, H., Elementary Paleontology, Williams, G. H., anatase from Buck- vii, 79. ingham Co., Va., ii, 431; green-Woodward, A. S., Devonian fishes of stone schist areas of Michigan, ii, Canada, v, 73. 259; Baltimore and the geology of its environs, iii, 435; volcanic rocks of South Mt., in Pennsylvania and Maryland, iv, 482; geological map of Baltimore, v, 73; rock-cutting and grinding machine, v, 102; pied- montite, and scheelite in rhyolite of South Mt., Pa., vi, 50; volcanic rocks of East. N. A., vii,140; geology and physical features of Maryland, vii, 320.
Woodward, H. B., Ramsay's physical geology and geography of Great Britain, viii, 430. Woodward, R. S., iced-bar base ap- paratus of the U. S. Coast and Geo- detic Survey, v, 33. Voodworth, J. B., post-glacial eolian action in So. New England, vii, 63; Carboniferous fossils, Norfolk Co., basin, viii, 145; dinosaur tracks in New Jersey, 1, 481. Woollcombe, W. G., general physics, viii, 429.
Worthen, A. H., geological survey of
Williams, H. S., ventral plates of the Holonema of Newberry, vi, 285; dual nomenclature in geological classifications, vii, 143; age of man- Illinois, i, 159. ganese beds of Arkansas, viii, 325; Devonian fossils in the Carbonifer- ous, ix, 94, 160. Williams, J. F., newtonite and recto- rite, ii, 11; igneous rocks of Arkan- sas, iii, 159.
Wright, A. A., Nikitin on the Quater- nary deposits of Russia, v, 459. Wright, B., Native Silica, 1, 274. Wright, G. F., interglacial submer- gence in England, iii, 1; unity of the glacial epoch, iv, 351; extra-
morainic drift of New Jersey, vi, | 304; continuity of the glacial period, vii, 161; glacial phenomena of Newfoundland, etc., ix, 86, 156. Wright, M. R., Heat, vi, 301. Wyatt, F., Phosphates of America, iii, 79.
Ze, R., fossil flora of French Cariferous, ii, 75; Paléontologie étale, iv, 334; l'appareil fructiteur des Sphenophyllum, viii, Zarovich, V. von, Mineral Lexicon
Oesterreich, iii Band, vi, 482. Zoxide, artificial crystals, Ries, i, 256.
Zbearing spring waters from Mis- ari, Hillebrand, iii, 418. Zel, F., Lehrbuch der Petrographie, 152; vii, 320; ix, 323.
21, K. A. von, Handbuch der alæontologie, i, 330; Grundzüge er Palæontologie, 1, 268.
Zahm, J. A., Sound and Music, v, 69. Zogical Station, Naples, vi, 80.
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