—, results of observations on, P. F. de Vico, xliv, 383.
—, rotation of the planet, xxiv, 204.
Veratria, xxx, 190.
Verd antique marble in Connecticut, ii, 165; vi, 38, 227.
Vermiculite, T. H. Webb, vii, 55.
—, the species objected to, C. Dewey, viii, 50.
—, T. H. Webb's vindication, viii, 230.
—, in Maryland, xxiv, 356.
Vermin, destruction of, by steam, xvii, 390.
Vermont, geological survey of, xlviii, 404.