Nias 
Nickel, white, or deutarseniuret of, 
from Reichelsdorf, J. C. Booth, 
xxix, 241, 
ore, in Connecticut, at Chat- 
ham, xxi, 195. 
Nicollet, J. N., on the cretaceous 
formation of the Upper Missouri, 
xli, 180; xlv, 153. 
, drift not accounted for by the 
glacial theory, xlv, 323. 
, on the mineral region of Mis- 
souri, xlv, 340. 
, obituary of, xlv, 404; xlvii, 
139. 
Niepce, photographic processes of, 
xxxvil, 173, 374. 
Niger, mouth of, iv, 373. 
Nile, the mouth of, xxviii, 24, 28. 
Nineveh, ruins of, A. Smith, xlix, 
113. 
Niobium, new metal, xlvili, 400. 
Nitrate of lime and of potash, i, 65. 
of silver, preparation of, v, 
348. 
——, preparation of pure, 
181 
xxiv, 370. 
, pure not blackened by 
sun’s rays, Xxxxv, 298. 
, reduction of, xviii, 400. 
-—— of soda of Atacama, Peru, xii, 
385. 
—_ 
, of Tarapaca, A. A. 
Hayes, xxxvili, 410; xxxix, 375. 
, of Tarapaca, mode of 
refining, xliv, 7. 
Nitre, origin of, xxviii, 292. 
, native, i, 146. 
——, in caves of Kentucky 
and elsewhere, vili, 323. 
, in Africa, i, 147. 
Nitric acid, on fuming, Mitscher- 
lich, xx, 185. 
, remarks on its solvent 
power on metals, Millon, xlvii, 
191. 
9 
) 
—— 
——, J. Liebig’s new test for, 
XVil, 176. 
——, ibid, J. W. Bailey, 
xxxil, 85. 
—- 
, effect on sulphuretted 
hydrogen, viii, 375. 
23 
NIT 
Nitric acid, action of, on certain 
metals, xxxiil, 286. 
; action of, on iodine, 
xxl, 376. 
fumes, use of, in pul- 
monary diseases, xxxvi, 191. 
, eyes of insects redden- 
ed by, xxx, 196. 
—— and phosphorus, explo- 
sion from, xvi, 366. 
ether, process for, R. Hare, 
xxxill, 241.f 
Nitrification, theory of, xiv, 385. 
Nitrogen, abstracted from the atmo- 
sphere by organization,geological 
proofs of, L. Vanuxem, xii, 84. 
, different modes of obtaining, 
oat 360. 
, apparatus for procuring, R. 
Hare, xiv, 356; xxviii, 263.f 
, mode of preparing, xlix, 195. 
, specific gravity of, xxxv, 
298. 
, on the office of, in respirae 
tion, L. C. Beck, xviii, 52. 
, reduction of metals by, xix, 
371. 
in animal substances, re- 
searches relative to, Macaire and 
Marcet, xxiii, 384. 
ibid, on the determina 
tion of, xxvill, 134, 
ibid, Bunsen’s method 
of estimating, xli, 53. 
ibid, new method of de- 
termining, Varrentrappand Will, 
xlii, 258; xlv, 267. 
, combines with iron and cope 
per, xxiv, 374. 
, phosphuret of, xxviii, 140. 
combined with boron and sili- 
con, forming combinations anal: 
ogous to cyanogen, xlvii, 192. 
, chloride of, properties of, G. 
S. Serullas, xviii, 155. 
, new compounds of, (Mellon, 
Melam, &c.) J. Liebig, xxix, 
371. 
gas at Hoosic, N. Y., xv, 234. 
, formation of, in warm springs, 
C. "Daubeny, xx, 383. 
