—, see farther, [Zoology, Articulata.]
Spinel in New York, viii, 92; ix, 242, 251; xxi, 326.
— in New Jersey, v, 244; ix, 245.
Spinning frame, Brewster's, x, 130.
— machine, worked by mice, in Scotland, viii, 371.
Spiral of Archimedes, A. B. Quinby, ix, 316.f
— conductor, on the action of, J. Henry, xxviii, 329.
Spirits, evaporation of, iii, 376.
Spitzbergen, some account of, xvi, 144.
Spix and Martius, reception of, at Munich, iv, 383.