—, new freshwater, from Alabama, Tennessee, &c., T. A. Conrad, xxv, 338.f
— about Richmond, Indiana, list of, J. T. Plummer, xlviii, 94.
—, new, B. Tappan, xxxv, 268.f
— of some Ohio rivers, S. P. Hildreth, xiv, 276.
—, economical uses of some species of, xxxii, 53, 235.
—, fossil, tertiary of the United States, T. A. Conrad, xxiii, 204, 339; xxviii, 104, 280; xli, 344.f
—, —, —, remarks on, and list of, J. T. Hodge, xli, 332, 343.
—, —, —, of the United States, mostly from Claiborne, Alabama, H. C. Lea, xl, 92.f
—, —, —, from North Carolina, xxxix, 387.
—, —, chambered univalve, Virginia, M. Tuomey, xliii, 187.