The American Journal of Science and Arts, Volume 50 (First Series) / General Index to Forty-Nine Volumes

by Various

—, C. G. Ehrenherg's discoveries in relation to fossil and recent, xxxiii, 111; xxxv, 371^f; xxxvii, 116.

—, —, in volcanic rocks, xlix, 397.

—, —, in argillaceous formation, at Berlin, xlii, 388.

—, —, conclusions on, xxxviii, 405; xlvii, 208.

—, C. G. Ehrenberg, on American, xliii, 393; xlvi, 297.

—, —, near Richmond, Virginia, xlvi, 300.

—, —, Maryland and Virginia, xlviii, 201.

—, —, near West Point, New York, xlvi, 302; xxxix, 191.

—, J. W. Bailey, in peat earth, West Point, xxxv, 118.^f

—, —, from Oregon, Bermudas, Virginia and Maryland, catalogue of, xlviii, 321.^f