558 
Walden, P. T., double chlorides, bro- 
mides and iodides of cesium and 
cadmium, vi, 425; czsium-cupric 
bromides, vii, 94; double chlorides 
and bromides of czsium, rubidium, 
potassium and ammonium, viii, 283. 
Waldo, F., Briickner’s Klimaschwank- 
ungen, i, 141; wind velocities in 
the United States, ix, 481; diurnal 
rise and fall of the wind in the 
U.S; 1-280: 
Walker, T. L., nickeliferous pyrite, 
Sudbury, Ont., vii, 312. 
Walther, J., die Denudation in der 
Wiiste, 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; #0; 
Washington, H. S., basalts of Kula, 
vii, 114; copper crystals in ‘‘ aven- 
turine glass,” viii, 411 ; Aegina and 
Methana, petrographical sketch, 1, 
74. 
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, 
282 ; 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, vil, 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. 
GENERAL INDEX. 
[44 
Weisbach, Mechanics of Hoisting 
Machinery, vii, 159. 
Weissmann, A., Essays upon Heredity, 
iii, 166. 
Well at Wheeling, W. Va., Hallock, 
lii, 284. 
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. 
cesium trihalides, iii, 17; rubid- 
ium and potassium trihalides, iii, 
475. 
alkali-metal pentahalides, iv, 42 ; 
herderite from Hebron, Me., iv, 
114; double halides of silver and 
the alkali-metals, iv, 155; caesium 
and rubidium chloraurates and bro- 
maurates, iv, 157; casium-mercuric 
halides, iv, 221. 
cesium-lead and potassium-lead 
halides, v, 121. 
ammonium-lead halides, vi, 25 ; 
rubidium-lead halides, ete., vi, 34 ; 
double salts of lead tetra-chloride, 
vi, 180; quantitative determination 
of cesium, vi, 186; peculiar halides 
of potassium and lead, vi, 190; 
double chlorides, bromides, and 
iodides of cesium and cadmium, 
vi, 425; double chlorides, bromides 
and iodides of cesium and zine, vi, 
431. 
cesium-cupric chlorides, vii, 91, 
96 ; czesium-cupric bromides, vii, 
94 
leadhillite, Missouri, viii, 219. 
compounds containing lead and 
extra iodine, 1, 21; double salts of 
cesium 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; cesium and rubid- 
ium chloraurates and bromaurates, 
iv, 157; double halides of tellu- 
rium with potassium, rubidium and 
cesium, v, 267; double halides of 
arsenic with cesium 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. 
