—, not a reptile, R. Owen, xxxix, 204.
—, geognostic position of, xxxviii, 381.
—, skeleton of, S. B. Buckley, xliv, 409.
—, skeleton of, obtained by A. C. Koch, xlix, 218.
Zeus crinitus, S. L. Mitchill, xi, 144.f
Zinc, action of dilute sulphuric acid on, xix, 372.
— blende, see [Blende.]
—, equivalent of, xlviii, 187.
—, separation of, from manganese, xlvii, 194; xlviii, 187.
—, as a covering for buildings, A. Caswell, xxxi, 248.