—, —, —, ibid, H. D. Rogers, xlvii, 254.

—, —, —, ibid, of Atlantic coast, T. A. Conrad, xxiii, 204, 339; xxviii, 104, 280f; xli, 344.f

—, —, —, ibid, of the Southern States, J. T. Hodge, xli, 332.

—, —, —, oyster shell deposits of the Atlantic coast, L. Vanuxem, xli, 168.

—, —, —, structure of the Appalachian chain, W. B. and H. D. Rogers, xliii, 177; xliv, 359.

—, —, —, notice of Eaton's Index of the Northern States, i, 69.

—, —, —, notice of, I. Lea's contributions to geology, xxv, 413.

—, —, —, trap of New England, volcanic origin of, T. Cooper, iv, 239.

—, —, —, Maine, notice of geological reports of, C. T. Jackson, xxxii, 193; xxxv, 387; xxxvi, 143; xxxvii, 376.

—, —, —, —, remarks on, C. T. Jackson, xxxiv, 69.