—, E. Hitchcock, theory of the U. States, xli, 248.

—, —, singular instance in Berkshire Co., Mass., xlvii, 132; xlix, 258.f

—, —, influence of ice on, xlv, 324.

—, —, copper in, Mass., xlv, 331.

—, C. T. Jackson, remarks on, xlv, 320.

—, Nicollet, remarks in opposition to the glacial theory, xlv, 323.

—, W. C. Redfield, influence of ice on, xlv, 325.

—, H. D. Rogers, remarks on, xlvii, 263.

—, —, connection of, with earthquake vibrations, xlvii, 273.

—, see farther under [Boulders] and [Scratches.]