— in Rhode Island, ix, 46.
— in Vermont, i, 114; iii, 76; v, 271.
— in Virginia, v, 263.
— of Chesterfield, for sale, xiv, 400.
Tower of Babel, ruins of, xxxvii, 352.
Town, Ithiel, new mode of bridge-building, iii, 158.f
Town's bridges, xxxviii, 276.f
Townsend, J. K., on the ornithology of the United States, xxxvi, 201.
Townsend, P. S., titles of memoirs read before the New York Lyceum, ii, 339, 371.
Toxodon of Patagonia, R. Owen, xxxiii, 208; xxxv, 196.