Basalt, analyses of, iv, 230. ----, characters of, xv, 32. ----, of the Caucasus range, xxxvii, 348. Basaltic columns, in N. Jersey, v, 240. ---- rocks of the Labrador coast, _R. H. Bonnycastle_, xxx, 236. Basilosaurus, xxvii, 354; xxxvii, 231. ----, named Zygodon, _R. Harlan_, xli, 179. Basin of mines, Nova Scotia, minerals of, xv, 132. Bath, Russian vapor, _T. S. Traill_, xxiii, 295. Battery, galvanic, see _Electricity_. Beaches, ancient, about Lake Huron, iii, 257. ----, ----, of Lake Ontario, _G. E. Hayes_, xxxv, 89. ----, elevated, of Canadian lakes, _C. Lyell_, xlvi, 314. ----, four, to the river Malbay, L. C., v, 221. Bead manufactory at Venice, xxvii, 78. _Beaufoy, M._, notice of a work on nautical and hydraulic experiments, by, xxviii, 340. _Beaumont, W._, experiments on the gastric juice, xxvi, 193; xxvii, 405. _Beaumont, E. de_, observations on Etna, xxxi, 168. Beaumontite from Baltimore, analysis of, _M. A. Delesse_, xlvii, 216. ---- ----, identical with Heulandite, _F. Alger_, xlvi, 233.^f ----, a crenato-silicate of copper, xxxvii, 398; xlvii, 337. _Beche, H. F. de la_, classification of the European rocks by, xviii, 26. _Beck, J. B._, influence of salt storms on vegetation, i, 388. _Beck, L. C._, contributions to the botany of Illinois and Missouri, x, 257; xi, 167; xiv, 112. ----, ferns and mosses of the U. States, xv, 287. ----, on the formation of phosphuretted hydrogen, xii, 294. ----, on the nature of the chlorides of soda, lime, xiv, 251.^f ----, on the office of nitrogen in respiration, xviii, 52. ----, on the commercial potash of N. York, xxix, 260. ----, researches on wines and other fermented liquors, xxviii, 42. ----, on the tornado or water-spout of New Brunswick, xxxvi, 115.^f ----, on the Eupyrchroite and Rensselaerite of Emmons, xl, 77. ----, notices of trap minerals in New Jersey and New York, xliv, 54.^f ----, on the occurrence of bituminous or organic matter in some N. York limestones and sandstones, xlv, 335. ----, remarkable example of force of expansion and contraction, xlv, 49. ----, on antediluvian climate, xlv, 144. ----, on igneous action, as deduced from the appearance of crystals, &c., in N. Y., xlv, 143; xlvi, 333. _Beck, L. C._, and _E. Emmons_, description of a new moss, Grevilleanum serratum, xi, 183.^f _Beckwith, J._, dikes or natural walls in North Carolina, v, 1. _Becquerel_, on combinations and crystallizations by the action of weak electric forces, xvii, 383. ----, crystallization of galena and other substances by galvanism, xxviii, 291. ----, electro-chemical reduction of metals, xxxi, 161. Bed, made of crystal for the Shah of Persia, xv, 186. Bees, honey, of America, _J. A. Vanden Heuvel_, iii, 79. ----, _Huber's_ observations on, xxiii, 120. ----, a notice of, _E. Burgess_, xxii, 164. ----, mode of taking swarms of, in Corsica, xxiii, 202. ----, parasite among, _M. Field_, xxv, 213.