—, Niagara and its vicinity, geological features of, L. Foot, iv, 55.
—, —, J. Geddes, xi, 213.f
—, —, pressure of the atmosphere, within the cataract of, B. Hall, xiii, 364.
—, —, on the falls, and the reasonings of some authors respecting them, H. D. Rogers, xxvii, 326.f
—, —, retrocession of the falls, J. B. Gibson, xxix, 204.
—, —, ibid, G. E. Hayes, xxxv, 86, 100.
—, —, remarks on, J. Hall, xxxvi, 49.
—, —, volume of water, Z. Allen, xlvi, 67.f
—, Onondaga Co., salines, A. Eaton, xv, 244.
—, —, —, G. W. Carpenter, xv, 5.