w AD 
Von Buch, L., on the nature of, 
volcanic XXXVI, 
268. 
, on volcanic eruptions in Lan- 
cerote, xxxvi, 260, 264. 
, on Palma and Grand Canary, 
xXxxvi, 273. 
, on the formation of volcanic 
cones, xxxvi, 273. 
, on the formation of certain 
conglomerates, xxxvi, 266. 
Voorhies, J., fall of meteoric iron 
in Tennessee, xlix, 338. 
Voyage of discovery, French, by 
Capt. Freycinet, in the Uranie, 
notice of, iv, 391. 
around the world, projected 
by the French, under the com- 
mand of D. d’Urville, xxxiu, 
206. 
of Bonite around the world, 
xxxiv, 219. 
of the French to the Antarctic 
regions, xxxix, 201. 
of the Chanticleer, 
phenomena, 
XVill, 
188. 
Xxxvil, 8973 xxxvill, 204; xlii, 
152. 
of exploration under Lieut. 
C. Wilkes, U. S. N., around the 
world, xxxv, 192. 
—— ibid, progress of, xxxvi, 
195; xxxvil, 19, 398; xxxviil, 
387 ; xxxix, 1938; xlin, 208. 
xliv, 893; xlix, 149. 
Vulcano, boracic acid in the waters 
of, ii, 349. 
Vulpinite, Vauquelin, vii, 368. 
Ww. 
Wachitta, cove of, iii, 26, 28. 
5 , hot springs, il, 29. 
Wacke, aqueous origin of, J. W. 
Webster, i, 230. 
, analysis of, 1, 296. 
Wadsworth, D., remarks on the 
upper falls of the Genesee river, 
with a view, xviii, 209. 
276 
of J. C. Ross to the Antarctic, | 
ibid, results of, xl, 394 ; 
Wath 
Wages for labor in England, France 
and the United States, xxiii, 216. 
Wagner, S., on the acceleration of 
the saw at night, vill, 393. 
Wailes, on rare insects, xxxv, 310. 
Walferdin, on subterranean tem- 
peratures, xxkvi, 204. 
Walker, C. V., galvanic experi- 
ments by, xxxix, 32.f 
, reclamation against W. Stur- 
geon, xlil, 383. 
Walker, S. C., on the great comet 
of 1843, xlv, 188.f 
, on the meteors of August, 
1840, xl, 51;—on the meteors 
of August and November, xlil, 
401. 
Walkly, N., on hydrogen gas in a 
lead water-pipe, xxxiv, 393. 
Walks and alleys, valuable material 
for, xxiv, 206. 
|Walls or dikes in North Carolina, 
J. Beckwith, v, 1. 
, how preserved from damp- 
ness, xii, 193. 
Wallace, J., on certain Algebraic 
series, vil, 278. 
, reply to remarks on, ix, 98. 
, numerical faculties, vil, 285. 
Wallace, W. C., dissection of the 
eye of a halibut, xxvi, 393.f 
, discovery of a muscle in the 
eye of fishes, xxvi, 394. 
, dissection of the eye of the 
streaked bass, with observations 
on the accommodation of the 
eye to different distances, xxvil, 
216.f 
, on the retina, xxviii, 278. 
, on a Bramah press attached 
to the eyes of fishes, xxxiv, 376. 
, denial of a charge of plagia- 
rism made by J. Dalrymple, 
XXxlv, 396. 
, discovery of a muscle attach- 
ed to the crystalline lens, xxxv, 
291. 
Wallestein, J. de, meteorological 
tables of, ix, 394. 
Walper, G. G., Repertorium, no- 
ticed, xlvii, 200. 
