TO A 
Tin, crystallized from solution, 
W. W. Mather, xxvii, 254. 
, action of metallic, on solu- 
tions of muriate of, A. A. Hayes, 
xxxviil, 408. 
, method of separating from 
antimony, xxvil, 197. 
, alloy of, with bismuth and 
lead, xxi, 871, 375. 
——, ——, with antimony, the ac- 
tion of muriatic and nitric acids 
on, xlix, 206. 
— ore at Goshen, Mass., xvi, 
188; xxii, 62. 
—— ——, in New Hampshire, C. 
T. Jackson, xiii, 168; xlix, 34. 
——, in Virginia, xliii, 168. 
Tinned lead pipes, xxvi, 210, 400. 
Tioga coal, Xill, 32, 381. 
Biteniferous iron ore, near Balti- 
more, 7. G. Clemson, xvii, 42. 
1% Berthier, 
XXiv, 37D. 
Titanium, metallic, vii, 192. 
, volatility of, Zinken, xxviil, 
136. 
265 
, crystals of, in the furnaces of 
Baden, xii, 189. 
in scoria, Wollaston’s mode of 
detecting, xix, 188. 
in rocks, xxviii, 136. 
ores, in Connecticut, iv, 55. 
—— ——, in Greece, xxxi, 175. 
—— ——,of Massachusetts, 
116, 134; vi, 24. 
> in Vermont, iv, 276; 
i, 
vi, 24. 
——, in Virginia, li, 143. 
, in 8. Carolina, 111, 228. 
Tithonometer, J. W. Draper, xlvi, 
ot 
Toad, poison of the common, xiv, 
373. 
, living in rocks, A. Eaton, xv, 
247. 
land, xxiii, 272. 
Thompson, xxv, 41. 
, in sandstone at Park Gar- 
dens, Coventry, xxix, 353. 
TOR 
Tobacco, chemical experiments on, 
C. C. Conwell, xvii, 369. 
,a remedy for arsenic, Xxxi, 
188. 
, E. Wright’s lecture on the 
use of, alluded to, xxiv, 190. 
Toby, Mount, geology of, vi, 8. 
; , Mass., scenery of, vil, 
10. 
Tolefree, R., the voice and its mod- 
ifications, xxvi, 76. 
Tom, Mount, Massachusetts, rests 
on sandstone, i, 109. 
é , height of, and geolo- 
gical structure, vi, 45. 
5 , scenery of, vii, 9. 
Tomatos, acid in, xvii, 115. 
Tombacite, xlii, 387. 
Tomlinson, D., on the tides, xxxiv, 
81. 
—-, on preserving animal 
for soap making, xxxvil, 194. 
Tongueless dog, retaining the pow- 
er to bark, xxxvi, 194. 
Tonsil, concretion from, vi, 165. 
Topaz, powder of, used as emery, 
xxxiv, 381. 
, distribution of coloring mat- 
ter in crystals, and optical prop- 
erties of, D. Brewster, vii, 364. 
in Ireland, xxix, 374. 
of Huntington, Ct., x, 352; 
xi, 192; xii, 158f; xiv, 229. 
in Connecticut, at Middletown, 
C. U. Shepard, xxxiv, 324. 
in the White Mountains, xx, 
410. 
fat 
, analysis of, x, 352. 
Tornado, see under Wind. 
Toronto picture gallery, xxvii, 178. 
Torpedo, experiments on, Dr. Da- 
vy, xxv, 187. 
, electricity of, xxxii, 198. 
, hew species of, D. H. Sto- 
rer, xliv, 213; xlv, 165.f 
, in stone or wood, W. Buck-|'Torpedoes of fulminating silver, i, 
169. 
: vitality of, in rocks, W. A.||Torrelite, J. Renwick, vili, 192. 
of Thomson identical with 
Ep nbits, J. D. Dana, xxxii, 
149.f 
