— of West Point, N. Y., xxxv, 118f; xxxix, 191.

— (?), siliceous, in Virginia deposits, J. W. Bailey, xliii, 329.

—, new species from the Bermudas, and from Maryland and Virginia, xlviii, 323, 330;

–table of, xlviii, 331.

—, bed of, at Petersburg, Va., M. Tuomey, xliv, 339.

—, fossil, of Virginia and Maryland, C. G. Ehrenberg, xlviii, 201.

—, in Charleston harbor, S. C., J. W. Bailey, xlviii, 338.

—, new species from Oregon, J. W. Bailey, xlviii, 321.f

—, in Nova Scotia, J. W. Bailey, xlviii, 339.

—, with bones of Mastodon, J. W. Bailey, xlviii, 339.