—, elevation of sedimentary rocks of United States, causes of, xlix, 284.
—, protest with reference to G. W. Featherstonhaugh, xxxiii, 205.
Matter, infinite divisibility of, E. Adams, xxviii, 163.
—, — —, S. Clark, ix, 356.
—, — —, W. Whewell, xxxviii, 113.
—, — —, xxxix, 55.f
—, heavy, demonstration of, W. Whewell, xlii, 264.
—, —, reply to W. Whewell on, R. Hare, xlii, 260.
—, motion the natural state of, xvi, 151.
—, on the vitality of, xv, 54.