484 
Thayer. 8, aaa of plates o 
condensers 208 
hena ondensation. of), 
acetylene ey aes actin discharge 
Teton Coggia’s comet, 78. 
Troost’ and Hautefeuil alloys of hydro- 
— 
Trowbridge, i iy ‘molecular change by elec- 
ik, G., Mineralogische Mittheil- 
38 en, begga ke d, 393. 
Tuscarora soundings, 234. 
Undulation, velocity of primitive, Chase, 
366. : ‘ 
Vanilline, 
Vibration, ontia method of studying, 
Voleanic energy, M 
Vol ond cae - “stronibol, Mallet, 
200. 
Volcanoes, note on Hawaiian, 467. 
eels. J. A., milk analyses, noticed, 
Water of yi deere molecular vol- 
ume of, Clarke, 4 
Weather mere, caine from examination 
ey ‘specific heat of — 465. 
Weiser, 2: permanent ice in mine in 
Roeky Mts., 477.: 
gio G. M., topographical atlas, no- 
White, C. A., be or eae identical 
with Megaptera, 
William 4 primera vegetation 
mson, W. C. 
and evolution, noticed, 15 
trical currents through iron and steel|| Wing 
sea 
- DEX. 
Willis, : Hi; pore = plants, no- 
oe ., Statue of,. 322.” 
,|| Wind instruments, ‘pressure required to 
soun 
Wind, velocity we and barometric gra- 
dient, Ferrel, 
Winchell, A, pacutie of Eyciation, 9- 
iced, 74. 
le i 
_ 
At E, Aurora at West Charlott:, 
ont, 157. 
Wisconéin Academy, Transactions, 
ice 
ight, = W., SE of the vodintal 
light, 39 
Soper observations of Coggia’s 
comet. 
10- 
Y 
Yates, L. G., gr dsp poe and mastodon 
in California, 
Zodiacal light, spectrum of, Wright, 39. 
ZOOLOGY— ~ ‘ 
Brain in Tertiary mammals, Marsh, 66 
Coral ra notes on Darwin’s work, 
Dana, 
of Haw: aii, 466. 
Difflugia, enemies of, Leidy, 2 
os notice of Pasbieky's 
pers 
at 471. 
— Goode, 123. 
Mollusca, aien of, in Bahamas, 
Rat, habits = Chase, 7 
Rhizopods, new fr esh water, 224. 
sare saves iain y oe 
Torto of ara ‘pleted to those 
of Galapagos. ; 
See further ae ‘GroLoey. 
