[Zoophytes,] general remarks on, G. A. Mantell, xxxiii, 329.

—, J. G. Dalyell on the propagation of, xxviii, 77.

[Infusoria].

Infusoria, C. G. Ehrenberg on, xxxv, 371f; xxxviii, 405.

—, C. G. Ehrenberg's notice of American, xliii, 393.

—, siliceous, Turpin, xxxii, 400.

— Tripoli of Bohemia, xxxiii, 111.

—, fluviatile localities in the United States, J. W. Bailey, xliii, 328.

—, fossil deposits in the United States, xliii, 329.

—, New Haven harbor, J. W. Bailey, xlviii, 337.