SAN 
Salts, number of, xvii, 184. 
, fusibility of, xix, 379. 
of ammonia, solvent and oxi- 
dating powers of, xvill, 255. 
, efflorescence of, prevented 
by the vapor of turpentine, xvi, 
391. 
, haloid, certain existence of, 
in solution, demonstrated, G. Wil- 
son, xxxvill, 118. 
, Harrodsburg, analysis of, E. 
D. Smith, i, 403. 
, metallic, on the decomposi- 
tion of, C. Matteucci, xx, 187. 
, new series of double, formed 
by the action of sulphurous and 
nitrous acids upon the alkaline 
bases, E. Fremy, xlviii, 194. 
Saltness of the ocean, v, 1381. 
, remarks on, H. Hum- 
phreys, xlix, 208. 
——, at different depths,xxiii, 
10. 
Saltpetre, method of making by 
sun’s heat, discovered by Baffi, 
vi, 400. 
, formed from beat leaves, xv, 
180. 
Sampson, W., notice of a cetaceous 
animal, xxiii, 301.f 
San Lorenzo, Peru, fossils from, 
xxxviil, 201. 
Sand, blown from shore, viii, 392. 
, rate of flowing, and angle of 
a heap of, xix, 190. 
» pressure of, xix, 190. 
of Lake George, iv, 46. 
, white siliceous, of Staten Isl- 
and, xxxvi, 21. 
, lightning tubes in, xx, 396. 
Sand hills, iii, 27. 
Sand pipes in chalk, cause of, C. 
Lyell, xxxviii, 122. 
Sandstone, recent, on northern coast 
of Cornwall, J..A.) Paris) i, 
234. 
, hew red, some account of, in 
United States, xli, 244. 
; , of United States, 
dip due to oblique deposition, H. 
D. Rogers, xliii, 170.f 
225 
Si Aste 
Sandstone, new red, of Connecticut, 
cause of inclined position, B. 
Silliman, xlvii, 107. 
: , of the Connec- 
ticut river, vi, 39.f 
, fossil remains, 
including bones, in, ii, 146; vi, 
43. 
: , junction with 
greenstone, vi, 47. 
, or freestone of the Sugar 
Loaf Mountain, Maryland, xxvii, 
21. 
and breccia of the Capitol at 
Washington, 1, 215, 216. 
of Potsdam, N. Y., xxxvi, 25. 
of Cornwall, England, i, 234. 
, footprints in, see Footprints. 
Sandwich Islands, rocks and mine- 
rals of, xi, 11, 362; xvi, 345. 
, notices of, C. S. Slew- 
Ort, Xin /dO8 sexx 229: 
, Hawaii, volcanic char- 
acter of, xi,\ 1 s)\xxw228: 
; , geological fea- 
tures of, E. G. Kelley, xl, 
117.f 
,; Mauna _ Loa, 
character of, xvi, 346. 
, Oahu, features of, J. 
Ball, xxvii, 15. 
5 ; remark on the 
structure of, J. D. Dana, xliv, 
407. 
, great agitation of the 
sea at, xxxvil, 358. 
, see farther under Vol- 
cano. 
Sanford, E., notice of the calcare- 
ous tufa and tree of Chitteningo, 
N. Y., xviii, 354. 
Sang, E., relation between a ma- 
chine and its model, xxiv, 264. 
, rapidity of motion of railway 
cars, xxxv, 197. 
Sanguinaria canadensis, xlix, 130. 
Sanicula marilandica, xi, 174. 
Santee, high hills of, iii, 2. 
Saponaceous 
xxiv, o81. 
vegelables, Bussy, 
Sappar, fusion of, il, 291. 
