— —, great agitation of the sea at, xxxvii, 358.
— —, see farther under [Volcano.]
Sanford, E., notice of the calcareous tufa and tree of Chitteningo, N. Y., xviii, 354.
Sang, E., relation between a machine and its model, xxiv, 264.
—, rapidity of motion of railway cars, xxxv, 197.
Sanguinaria canadensis, xlix, 130.
Sanicula marilandica, xi, 174.
Santee, high hills of, iii, 2.
Saponaceous vegetables, Bussy, xxiv, 381.