—, 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.