The American Journal of Science and Arts, Volume 50 (First Series) / General Index to Forty-Nine Volumes

by Various

— —, specific gravity of, xix, 388.

— —, occurrence of, in fossiliferous rocks, xxxi, 74.

— —, in New Hampshire, xviii, 129, 131.

— —, in Vermont, i, 115; vi, 245.

— —, in Massachusetts, viii, 54; x, 18; xxii, 51.

— —, in Rhode Island, viii, 199.

— —, in Connecticut, i, 49; v, 44; vii, 56; x, 13; xxxiii, 160.

— —, in New York, v, 12, xix, 224; xxv, 350; xxviii, 172^f; xlvi, 36.^f

— —, in Pennsylvania, iv, 4; viii, 239; x, 222; xiv, 5, 6, 8, 13.

— —, in Ohio, xvi, 156.