482 
gees impressions, duration of, Nichols, 
243. 
and atomic weight of compounds, 
4 
Comoy, ogee pratique sur les marées 
fluvial 
Congress Teeaaeiinds at Washington, 
coo, J. P., Jean-Baptiste-André Du- 
Crystallization, strain connected with, 
Cyanides, production of, from trimethyl- 
amine, 147, 
D 
Dana, £. S., 2s a 
Dana, J. D, 
second gina “epoch, 2 
term 
the sine wae a a great 
gp oma in the "acon, O68. 
conic slate 
ic svete 
Cortiant Earublndse and augitic 
rock 
origi - ange in so-called meta- 
morphic rocks, 3 
ing of Slants ore-beds, 398. 
the decay bite xy te, 
Davis, W. M., gorges and waterfalls, 123. 
distribution poe origin of drumlins, 
Whirlwinds, Cyclones and Torna- 
does, 151. 
Dawson, Prehistoric man in Egypt and 
yria, 
Deep-sea fauna a, 
Ww, 0. A., hoxibility of itacolumite, 
203. 
gold in Brazil, 44 
Diller, J. S., sade ‘from Mt. Thiel- 
son, 252 
aiouike as an alteration product 
of titanite, 234 
wees in Middle and Eastern 
State 
si Tachia, 
Eastman, J. R, ge meteorite, 299. 
Klip, se e Sun. 
Electric a battery, observed and calculated 
force of, 452. 
stunt page voltameter for mea- 
suremen 224, 
measurement of rapidly 
Tit. 
18. Ford 
inal Pleat of the 
roe 
alternating. acanen M, 
of earth’s surface, 71. 
INDEX. _ 
Electrical congress, results of, 7 
exhibition _ Philadelphia, 225. 
Par 
ran aeg fost conference of, 386. 
~~ mene psy 
nee cor Se influence of: 
light vr Bostwick, 133. 
Electrometric ebrsnetpyer ae 
Electromotive force of a gt cell, 
i rhart, 374. 
n, W. L., Heliometer determinations 
a Stellar ‘Parallax, 404 
Explosives, modern hi igh, 310. 
F 
fae Wy gio rie fossils in Stuy- 
ns ef 
age of rocks ps Schodack Land- 
ing, 206, 
Forel, F. ‘ke Glacial Studies, 400. 
Fossil, see GEOLO 
Fu ulgurites from Mt "Thielson, Diller, 252. 
G 
Galenite, synthesis of, 455. 
Galton, F., Life-History Album, 78. 
we toges W., water-glands and necta- 
8, 240 
ak nals mae greatly diminished 
pressure 
Gases and asi diffusion of, 70. 
Geol — eo third session of 
the, 7 
Gasiiece acon AND SURVEYS— 
Indiana, 
Minnesota, 155, 316, 322, 472. 
New York, 234. 
Potuyiva ts 231, 234, 396, pe 470. 
United States, 20, 228, "401, 
GEOLOGY— 
Africa, geology of South, 468. 
Age, fossils as a criterion of, 315. 
ap om of the Canadian rocks, Ven- 
archiopiery the Berlin, 465. 
Argillite be Newfoundland, Wads- 
worth, 
Azoic, s cubdivia f, Whitney, 313. 
Basalt of pica eat PS Wadsworth, 
Bedding, —. of, Dana, 
rhage orig of, Ponkee, 105. 
Pag gens Balcony Falls, 
21, 
Bowlder clays of preeene 317. 
Canadian rock goo Vennor, 74. 
Centre County, oe 
