VAN 
Uranite, R. Phillips, vii, 380. 
in Massachusetts, xxvill, 382. 
at Chesterfield, Mass., C. U. 
Shepard, xlviii, 179. 
of Chesteriel A) figs De Tesehe. 
macher, xlviil, 395. 
Wirarnunearonntel weight of xlvii,189. 
, ore of, vii, 194. 
Ure, A., Dictionary of Chemistry 
of, noticed, xx, 93. 
, on the composition of gun- 
powder, xx, 190. 
, analysis of guano, xlviii, 60. 
Urea, on the preéxistence of, in uric 
acid, xli, 46. 
and uric acid, J. Liebig, 
xxxiv, 40. 
Urinary calculi, iv, 149; xvii, 190. 
Urine, rosaic acid in, xvii, 385. 
, diabetic, detection of sugar 
in, xlix, 200. 
Usher, F. C., on the elevation of 
the banks of the Mississippi in 
1811, xxxi, 294.f 
Uvularia, used for poisoned wounds,| 
xxxv, 270. 
W. 
Vaccination, a remedy for the 
plague, iv, 196. 
Vacuum, heat of, ii, 343. 
Val di Noto, C. Gemellaro on, xxx, 
382. 
Vallot, on living animals in solid 
bodies, xii, 395. 
VanDieman’s Land,notice of iii,377. 
Vanadiate of lead, xxvi, 386. 
Vanadium, a new metal, xx, 386. 
Vancouver, Fort, meteorological 
observations at, in 1832 and 1833, 
xXvili, 9.. 
Vanden Heuvel, J. C., on honey 
bees, ili, ‘79. 
Vanilla in Europe, xxxv, 310. 
Vanuxem, L., experiments on an- 
thracite and plumbago, with refe- 
rence to the fusion of carbon, 
vill, 292; x, 102. 
»proofs from Geology of the ab- 
straction of nitrogen from the at- 
mosphere by organization, xii, 84. 
271 
VAR 
Vanuzem, L., on the pressure of 
water at great depths, xiv, 194. 
, on the classification and char- 
acters of American rock forma- 
tions, xvi, 254. 
, Atlantic coast, ancient oyster 
shell deposits of, xli, 168. 
, Report on Ornithichnites, xli, 
165. 
Vapor, effects of, on flame, i, 401. 
, force of, at different temper- 
atures, xix, 182, 201. 
, law with reference to the re- 
lation between the elastic force 
of, and temperature, xxviii, 363. 
, hew phenomena of, on pla- 
cing a disk upon an orifice, xili, 
161. 
and heat, inquiries respecting, 
W. R. Johnson, xxi, 304. 
, of mercury, elastic force of, 
Avogadro, xxiv, 286. 
of carbon, sulphur, arsenic 
and phosphorus, specific gravity 
of, xxxv, 298. 
, of sulphur and phosphorus, 
density of, xxiii, 383. 
bath, Russian, JT. S. Traill, 
Xxili, 295. 
, the basis of the Aurora Bo- 
realis, xix, 240. 
Vapors, latent heat of, ii, 361. 
Vaporization of spirits, ii, 376. 
of mercury, in fumes of nitric 
ether, S. Guthrie, xxi, 90. 
, limits of, M. Faraday, xx, 
1SSexxi, Tol 
, mechanical, of earths, W. 
Gaylord, xxxvii, 398. 
, of liquid carbonic acid, xxxi, 
402. 
Variation, magnetic, see Magnetic. 
Varnish, for articles of cast iron, 
xxvil, 199. 
——, copal, J. J. Berzelius, xvii, 
175. 
, seedlac, receipt for, ix, 169. 
Varrentrapp and Will, new mode 
of determining the quantity of 
nitrogen in organic compounds, 
xlii, 253f; xlv, 267. 
