BUT 
Brown’s active molecules, xvii, 390. 
Brown spar in Massachusetts, vill, 
235; in New York, ii, 237. 
Browne, J. B., impression in mar- 
ble, xix, 361.f 
Bruce, Archibald, biographical no- 
tice of, i, 299.f 
Brucite, see Chondrodite. 
Bubbles, blown in melted rosin, il, 
Hi9s 
Buckland, Prof., Bridgewater Trea- 
tise of, noticed, C. Lyell, xxxii, 
112. 
geological investigations and col- 
lecting specimens, 111, 249. 
, on the vitality of toads en- 
closed in stone or wood, xxiii,272. 
Buckley, S. B., botanical labors of, 
xin, 12: 
, hew species of plants, xlv, 
170. 
, skeleton of a Zygodon, xliv, 
409. 
Buel, J., excrementitious matter 
thrown off by plants, xxvill, 267. 
Buhrstone in Indiana, i, 132. 
, in Missouri, iii, 28. 
» of (Ohio, xxix, 142; 
233. 
Building stone, expansion and con- 
traction of, by variations of tem- 
perature, W. H. C. Bartlett, 
xxii, 186.f 
XXV, 
in western New York, 
xxxvi, 45. 
Burden’s boat, introduced 
France, xxx, 174. 
Burgess, A., a notice of bees, xxii, 
164, 
Burnett, G. T., on the functions of 
vegetable life, xxi, 153. 
Burning well, Ohio, xlix, 406. 
Burns, a tried cure, xxvi, 188. 
Burritt, E. H., on the elements of 
the solar system, xxvi, 129. 
Bustamite, xviii, 392. 
Butter, depuration of, xxiv, 200. 
, preservation of, xviii, 145. 
, volatile acids of, J. U. Lezch, 
xlix, 202. 
into 
Al 
, Instructions for conducting) 
CAL 
Butterflies, emigration of, xiv, 387. 
Butyric acid from fibrin, xlvili, 186. - 
ether, action of ammonia on, 
xlviii, 191. 
Byrne, O., mode of determining 
heights, xliv, 12.f 
Cc. 
Cacoxenite, analysis of, xviii, 391. 
| in New York, xl, 76. 
Cadmia in the Salisbury furnace, 
vill, 57. 
in N. Jersey, of furnace origin, 
called ancramite, v, 235, 399; 
vi, 180. 
in a furnace at Bennington, 
Vt., xil, 168. 
Cadmium, sulphuret of, associated 
with prehnite, xli, 52. 
Caffeine, vill, 381. 
Calamine in Virginia, xlii, 169. 
with the lead ore of the west, 
xil, 376. 
in Michigan, xli, 185. 
-——, electric, in Michigan, xli, 
185. 
Calamites, vil, 180. 
Cale spar, formation of, v, 405. 
and arragonite, Becque- 
rel, on the different formation of, 
XXIll, 087. 
, in Connecticut, vi, 246. 
—, Massachusetts, i, 115; 
Vil, 2555 vill, 32. 
, New Jersey, ii, 194; 
xl, 69; xliv, 60. 
, New York, iv, 45; ix, 
251); xxv, 346 +) xl, 76. 
, Nova Scotia, xxx, 347. 
—— ——, Pennsylvania, x, 222. 
, western states, 11, 67; 
vil, 47. 
, of Rossie, N. Y., with 
ficures of crystals, xlvi, 33.f 
tufa in Massachusetts, vill, 34. 
in New York, vii, 252. 
in Western States, vii, 
47. 
Calcium, atomic weight of, xlvii, 
189. 
