—, Braun's Charæ of N. America, xlvi, 92.

—, catalogue of a collection of plants in Illinois and Missouri, xlvi, 94.

—, monograph of the N. American Cuscutineæ, xliii, 333f; xlv, 73.

—, a mode of cupellation, xlii, 394.

Engine, explosive, of S. Morey, account of, xi, 104.

—, steam, see [Steam engine.]

English lexicography, contributions to, J. W. Gibbs, xxxiii, 324; xli, 28, 32; xlv, 96.

Engraving, a mode of enlarging, ii, 342.

—, a mode of biting-in, on steel, x, 194.

—, in taille douce, iv, 192.