Bombay, geology of the province of the Deccan, xxxiii, 274. ----, climate of the province of the Deccan, xxxiii, 275. Bone, strength of, xiii, 189. ----, gelatine from, i, 170; xxii, 369. ----, used for soups, &c., x, 388; xvii, 169. Bones of the Kirkdale caverns, viii, 158, 317. ----, in caves, in England, ii, 144; viii, 158, 317; xxxi, 341; xxxiii, 106; xxxv, 304. ----, ----, in France, xxi, 56; xxiii, 388. ----, ----, in Germany, viii, 319, 321. ----, ----, in N. Holland, xx, 380. ----, ----, in Canada, ix, 354. ----, ----, on the Susquehannah, xxxix, 399. ----, fossil, in the red sandstone of the Connecticut valley, ii, 146; vi, 43. ----, ----, in France, vi, 199; xiv, 203; xx, 382. ----, ----, human, skull of Guadaloupe, xxxii, 361. ----, ----, ----, in S. America, xliv, 277. ----, ----, ----, in Upper Saxony, v, 171. ----, ----, see farther under _Fossil_ and under _Zoology_. ----, fluorine in, xlvii, 131, 419. ----, ----, _C. Daubeny_, xlviii, 187. ----, ----, source of, _J. L. Smith_, xlviii, 99. ----, comparative composition of recent and fossil, xlviii, 186. Bonnets, Italian, material and manufacture of, iv, 166. _Bonnycastle, R. H._, on the transition rocks of the Cataraqui, xviii, 85; xx, 74^f; xxiv, 97^f; xxx, 233.^f ----, earthquakes near the Saguenay, xxx, 236. ----, halo, solar, seen at Kingston, xxx, 136. _Bonnycastle_, explanation of a collapse of a reservoir, (_Dr. Hare's_,) xl, 32. ----, effect of instantaneous, as compared with accumulative, pressure, xl, 32. _Bonpland_, in S. America, iv, 197. Books and memoirs of 1833, number of, xxviii, 295. ---- of France per year, as compared with those of Germany, xviii, 185. ----, noticed, see _Works_. Boomerang of Australia, xxxvi, 164.^f _Booth, J. C._, on the white nickel of Riechelsdorf, in Hessia, xxix, 241. ----, analysis of ores from Davidson Co., N. C., xli, 348. Boracic acid, from the lakes of Cherchaio, ii, 349. ---- ----, in the waters of Vulcano, ii, 349. ---- ----, of Tuscany, xxviii, 143. ---- ----, ibid, _J. Bowring_, xxxvii, 270. ---- ----, reduced by hydrogen, xvii, 176. ---- ----, to detect, in tourmaline, vi, 157. ---- ----, on the origin of, in native compounds, _J. D. Dana_, xlix, 61. ---- ether, xlviii, 189. Borate of lime, description of, xlvi, 377.^f ---- ----, analysis of, _A. A. Hayes_, xlvii, 215. Boring for freshwater, see _Wells_. Boron, method of evolving, _R. Hare_, xxiv, 249.^f Boston, forts around, viii, 338. BOTANY.