s1rtL 
Silliman, B., on the gold mines and 
region of Virginia, xxxii, 98. 
, experiments on different va- 
rieties of gold rock, xxxil, 105. 
, chemical examination of the 
238 
SIL 
Silliman, B., Jr., notice of mete- 
oric iron from Cambria, near 
Lockport, N. Y., xlviii, 388.f 
Silliman, B. D., experiments on 
topaz, X, 352. 
coal of Chesterfield Co., Va., 
xlii, 369. 
, remarks 
XXXIXx, 67. 
, remarks on ancient mounds, 
xliii, 152, 
, Address before the Assoc. 
Amer. Geol., 1841, xli, 187 ;— 
1842, xlui, 217. 
, review of Mantell’s Medals 
of Creation, xlvii, 105. 
, work on Chemistry by, noti- 
ced, xix, 843; xx, 96. 
, comparison of British and 
American Journals of Science in 
1834, xxvi, 174. 
Silliman, B., Jr., on the electro- 
type, xl, 157.f 
, analysis of the alluvium of 
the Nile, xl, 190. 
, thombic structure of Con- 
necticut sandstone, xli, 173. 
-———, soil of the Nile, xh, 160. 
, a daguerrotype experiment 
by galvanic light, xliii, 185. 
, use of carbon in Groye’s 
battery, xlill, 395. 
, account of a carbon battery, 
xliv, 180.f 
, scratches on rocks of Con- 
necticut, xlv, 333. 
, review of Dana’s Mineralo- 
gy, xlvi, 362.f 
, analysis of Haydenite, xlvi, 
379. 
on Phrenology, 
, notice of an Aurora, xiv, 91. 
Sillimanite, named, described and 
analyzed by G. T. Bowen, viii, 
113. 
, notice of, vill, 195. 
, compared crystallographical- 
ly with Kyanite, C. U. Shepard, 
xii, 59.f 
, crystal of, with analyses, 
xlvi, 3881. 
, analysis of, xlviii, 219. 
, analysis by TZ. Thomson, 
xlix, 396. 
, locality of, and of monazite, in 
Westchester Co., N. Y., xlvi, 207. 
Silphium, v, 301. 
Silurian or transition system, xxxv, 
243. 
, R. I. Murchison 
on, noticed, xxxvi, 899; xxxvil, 
219; xliv, 198. 
system of England and Eu- 
rope, xxxvil, 219. 
rocks of Denbigshire, J. E. 
Bowman, xlii, 325. 
of New York, xl, 77. 
system, and its characteristic 
fossils, T. A. Conrad, xxxviii, 86. 
, ibid, H. D. Rogers, 
xlvil, 145. 
fossils, in Indiana, xlvi, 296. 
Silver, atomic weight of, xlvii, 189. 
, effect of terrestrial magnetism 
on the precipitation of, xvi, 262. 
, Gregory’s method of obtain- 
, on meteoric iron from Otse- 
go Co., N. Y., xlvi, 401. 
, on the trap and sandstone of| 
Connecticut, xlvil, 107. 
, natural polariscope, xlvii, 418. 
, analysis of waters of the 
Dead Sea, xviii, 10. 
, analysis of the mud of New 
Haven harbor, xlviil, 337. 
reply toC.U. Shepard ona no- 
tice of his Mineralogy, xlviii, 179.|| ——, 
ing, from the chloride, xlvi, 201. 
, reduction of the chloride of, 
xxvill, 145, 
, production of the discolored 
chloride of, Cavalier, xx, 193; 
xxi, 369. 
, chloride of, on the change of 
color, xx, 193; xxi, 369. 
, fulminating, accidents from, 
169 5: xxi Soe ia 
» XVill, 385. 
