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Walden, P. T., double chlorides, bro-'Weisbach, Mechanics of Hoisting

mides and iodides of cæsium and Machinery, vii, 159.
cadmium, vi, 425; cæsium-cupric Weissmann, A., Essays upon Heredity,
bromides, vii, 94 ; double chlorides iii, 166.
and bromides of cæsium, rubidium, Well at Wheeling, W. Va., Hallock,
potassium and ammonium, viii, 283. I iii, 234.
Waldo, F., Brückner's Klimaschwank- Weller, S., fossil faunas at Spring-

ungen, i, 141 ; wind velocities in field, Missouri, ix, 185.
the United States, ix, 431 ; diurnal Wells, H. L., composition of pollu-
rise and fall of the wind in the cite, i, 213; self-feeding Sprengel
U. S., 1, 235.

| pump, i, 390.
Walker, T. L., nickeliferous pyrite, cæsium trihalides, iii, 17; rubid-
Sndbury, Ont., vii, 312.

ium and potassium trihalides, iii,
Walther, J., die Denudation in der 475.

Wüste, etc., ii, 177; Bionomie des alkali-metal pentahalides, iv, 42 ;
Meeres, vi, 240.

herderite from Hebron, Me., iv,
Ward, H. A., meteorite from Japan, 114 ; double halides of silver and

v, 153 ; Plymouth meteorite, ix, 53. the alkali-metals, iv, 155 ; cæsium
Ward, L. F., age of plants of Ameri- and rubidium chloraurates and bro-
can Trias, iii, 157.

maurates, iv, 157; cæsium-mercuric
Washburn Observatory publications, halides, iv, 221.
i, 76.

cæsium-lead and potassium-lead
Washington, H. S., basalts of Kula, i halides, v, 121.
vii, 114; copper crystals in “

ammonium-lead halides, vi, 25;
turine glass," viii, 411 ; Aegina and rubidium-lead halides, etc., vi, 34 ;
Methana, petrographical sketch, 1, double salts of lead tetra-chloride,

vi, 180; quantitative determination
Washington Philosophical Society, of cæsium, vi, 186 ; peculiar halides
Bulletin, iv, 258.

1 of potassium and lead, vi, 190;
Water, amount of, in the soil after a double chlorides, bromides, and
drought, Reiset, vi, 157.

iodides of cæsium and cadmium,
density variation with tempera- vi, 425 ; double chlorides, bromides
ture, Mendeléeff, iii, 239.

and iodides of cæsium and zinc, vi,
determination, Penfield, viii, 30. 431.
expansion of, Marek, ii, 427. cæsium-cupric chlorides, vii, 91,
of the salt lake of Oahu, ii, 522. 96 ; cæsium-cupric bromides, vii,

volumetric composition, Worley, 94.
i, 220, 276.

leadhillite, Missouri, viii, 219.
Watts, George, vegetable resources compounds containing lead and
of India, viii, 511.

extra iodine, 1, 21 ; double salts of
Wave, explosive, in solid and liquid cæsium chloride, etc., 1, 249 ; am-
bodies, Berthelot, ii, 66.

monium cuprous double halogen
Waves in air, Raps, vi, 479.

salts, 1, 390.
electric, see under Electric. West Indies, observations in, Agassiz,
Wead, C. K., intensity of sound, i,

v, 78, 358.
232 ; ii, 21.

Wheeler, H. A., ferro-goslarite, i, 212;
Weather, a short cycle in, Hall, v, 227. Missouri barite, ii, 495 ; rubidium
Weather periods, Clayton, vii, 223. and potassium trihalides, iii, 475 ;
Weed, W. H., formation of travertine alkali-metal pentahalides, iv, 42;

and siliceous sinter, i, 158 ; gold- alkaline iodates, iv, 123; double
bearing hot spring deposit, ii, 166 ; halides of silver and the alkali-
sulphur, orpiment and realgar in metals, iv, 155 ; cæsium and rubid-
the Yellowstone, ii, 401 ; Laramie , ium chloraurates and bromaurates,
and Livingston formations in Mon- iv, 157; double halides of tellu-
tana, vii, 404 ; igneous rocks of rium with potassium, rubidium and
Montana, 1, 309, 467; phonolitic cæsium, v, 267; double halides of
rocks from Montana, 1, 506.

arsenic with cæsium and rubidium,
Weichmann, F. C., Lecture notes on vi, 88 ; double halides of antimony

Theoretical Chemistry, vi, 300. with rubidium, vi, 269.
Weinschenk, E., meteoric stone, Whidborne, G. F., Devonian Fauna

Washington Co., Kansas, iii, 65 ; of So. England, vii, 402.
meteoric irons, Floyd Co., Va., and White, C. A., Bear River formation,
Atacama, Chili, iii, 424.

iii, 91.


its allies, v,

White, D., a new tæniopterid fernd | Williamson, W. C., fossil plants of 439.

the Coal-Measures, i, 437; v, 437. White, I. C., stratigraphy of Willis, B., Appalachian faulting, vi,

bituminous coal field of Peni. 257. vania, Ohio, and W. Virginia., Willis, 0. R., Practical Flora, ix, 77. 156 ; Mannington oil-field, iv, 7 Willson, R. W., thermal conductiviWhiteaves, J. F., Devonian fos, ties of marble and slate, 1, 435.

iv, 429 ; Unio-like shell from Wilson, H. M., Manual of Irrigation Coal Measures, vii, 146.

Engineering, v, 442. Whitely, R. L., Chemical calculatiWinchell, H. V., age of the Saganaga iv, 73.

syenite, i, 386 ; Cretaceous in MinWhitfield, R. P., Cretaceous fossil

nesota, vii, 146. Syria, iii, 159 ; geol. survey of N Wincheli, N. H., geological survey of Jersey, vi, 308 ; Paleozoic corallii Minnesota, i, 246; v, 73. ix, 323.

Wind, internal work of, Langley, vii, Whitmore, J., method of increas 41; in the U. S. diurnal, rise and

the range of capillary electromet fall, Waldo, 1, 235 ; velocities of, iv, 64.

in the U. S., Waldo, ix, 431. Whitney, A. W., refraction of lig Winslow, A., geological survey of upon the snow, v, 389.

Missouri, bulletin, i, 248, 329, 435, Whittle, C. L., an ottrelite-beari 444, V, 354; flexibility of lime

phase of a metamorphic congloi stone, iii, 133; coal-deposits of erate in the Green Mts., iv, 27 Missouri, iii, 435; Cambrian in main axis of the Green Mts., v

Missouri, v, 221. 347.

Wisconsin Academy of Sciences, trangWhymper, E., Appendix .to Trave actions, iv, 262.

amongst the Andes, iii, 436. Wolff, J. E., Cambrian fossils in the Wiechmann, F. G., sugar analysis Stockbridge limestone of Vermont, i, 69.

i, 435. Wilde's explication of terrestrial mag

apparatus for geological laboranetism, Bauer, iii, 496.

tory, vii, 355. Wilder, quarter century book, vii, 80 Wood, H., Cretaceous of northwestWiley, H. W., Agricultural Analysis, ern Montana, iv, 401. 1, 431.

Wood, R. W., Jr., pressure on ice, i, Williams, E. H., Jr., age of extra- 30; combustion of gas jets under

moraine fringe in East. Pennsyl- pressure, i, 477; demonstration of sylvania, vii, 34 ; southern ice limit caustics, 1, 301.

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 Woodward, H. B., Ramsay's physical its environs, iii, 435 ; volcanic rocks geology and geography of Great of South Mt., in Pennsylvania and Britain, viii, 430. Maryland, iv, 482 ; geological map Noodward, R. S., iced-bar base apof Baltimore, v, 73 ; rock-cutting

paratus of the U.S. Coast and Geoand grinding machine, v, 102; pied- detic Survey, v, 33. montite, and scheelite in rhyolite Voodworth, J. B., post-glacial eolian of South Mt., Pa., vi, 50; volcanic action in So. New England, vii, 63 ; rocks of East. N. A., vii, 140; geology Carboniferous fossils, Norfolk Co., and physical features of Maryland, basin, viii, 145 ; dinosaur tracks in vii, 320.

New Jersey, 1, 481. Williams, H. S., ventral plates of the Woollcombe, W. G., general physics, Holonema of Newberry, vi, 285 ;

viii, 429. dual nomenclature in geological Worthen, A. H., geological survey of classifications, vii, 143; age of man

Illinois, i, 159. ganese beds of Arkansas, viii, 325 ; Wright, A. A., Nikitin on the QuaterDevonian fossils in the Carbonifer- nary deposits of Russia, v, 459. ous, ix, 94, 160.

Wright, B., Native Silica, 1, 274. Williams, J. F., newtonite and recto- Wright, G. F., interglacial submermorainic drift of New Jersey, vi, Z6, R., fossil flora of French Car304 ; continuity of the glacial pe- iferous, ii, 75; Paléontologie riod, vii, 161 ; glacial phenomena étale, iv, 334 ; l'appareil fructi

rite, ii, 11 ; igneous rocks of Arkan- gence in England, iii, 1; unity of sas, iii, 159.

the glacial epoch, iv, 351; extra

of Newfoundland, etc., ix, 86, 156. teur des Sphenophyllum, viii, Wright, M. R., Heat, vi, 301. Wyatt, F., Phosphates of America, Zarovich, V. von, Mineral Lexicon iii, 79.

Oesterreich, iii Band, vi, 482.

Z oxide, artificial crystals, Ries,

i, 256.

Z bearing spring waters from MisYeates, W.S., plattnerite from Mullan,

ari, Hillebrand, iii, 418. Idaho, iii, 407.

Zel, F., Lehrbuch der Petrographie,

152; vii, 320; ix, 323.

21, K. A. von, Handbuch der Z

aleontologie, i, 330; Grundzüge

r Palæontologie, 1, 268. Zahm, J. A., Sound and Music, v, 69. I logical Station, Naples, vi, 80.

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