456 
Snell, E. S., oe, : rainbow by light reflected 
from wa ter, 
Spirit-rappings, 38, 
Stereoscopy, 
a udel’s Spidonein Plant. Glum. .» noticed, 
Stoddurd, O. N., on the Brandon Tornado, 70. 
Storm of pe Ds 1853 and others, W. C. Red- 
field, 1 
5 A 
Table Turnings, 119. 
Tannic acid composition of, 412. 
Taurine, artificial petition of, 414. 

Telegra aph, on electric induction of wires of, 
Furada 
Ww 
wine antimony, 
INDEX. 
Vacuum, made by means of carbonic acid, 
6. 
Verd Antique Marble, 4 
loria o lies ia, work on Rey F. Allen, no- 
ced, 
Vine 2 
Volcano of idence, T. Coan, 96. 
rrington, on preserving balance of 
Svante an Sohne in seawater, 13: 
, de ecomposition of, by an alloy of zinc 
arker, death 
Y, b of, 429. 
Temperature from an artesian well in Ttaly,| a and measures in Turke 
424, 
Thermotypy, 438. | pe 
Thomson, Dr. Thos., Life and — of, ge 
y, 20 
Ww S05, 
Tides 7 the White sea, Taker, 292. 
Tornado, see Hurricane 
Eines psi te hydrogen in rela- 
tion to, R. Napoli, 190. 
Trask’ : Rison on Geology of California, 302,|| 
Trees, mammoth, of California, 150, 286. 
Tylor, A., on changes i in sea-level, 21, 216, 
Z. 
a nia, new test for, G 

ep E., notice of inaugural disserta- 
of, 447, 
ey, 431. 
ee on double refraction temporarily 
Whitney's ie 8 Metallic Wealth of the U. States, 
Winds of North America, Gein on, 445. 
orks, notices of Botanical, 284. 
_ n, J.,on Life and writings of Dr. W. 1. 
urnett, 255. 
X. 
|Xantheine, and Xanthine, 435. 
G. J. Brush, 415. 
odiacal light, 440. 
Zalotel specimens, mode of giving flexi- 
100. ‘ 

Erratum.—Vol. xvii, p. 431, 16th line, after ilmenite, add “to calcite and other hex- 
agonal species.” 
