Spodumene in Massachusetts, vi, 225 and vii, 30 (called white Augite); viii, 120, 243; ix, 20; xiv, 220; xx, 170.
— from Sweden, vii, 371.
Sponges on the shores of Long Island, C. S. Rafinesque, i, 149.
Spongia patera, or Neptune's goblet, A. A. Gould, xxxvi, 386.
Spongy platina, Döbereiner's discovery and researches, vii, 387; xviii, 151.
— —, J. Liebig on, xviii, 398.
— —, action of, prevented by certain gases, xxxi, 348.
— —, —, Kuhlmann, xxxvii, 198.
Spontaneous combustion, instance of, iii, 383; v, 201; xxii, 161; xxvii, 178; xxxiii, 147.
— — in wood ashes, O. P. Hubbard, xlii, 165.