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

by Various

— of Ohio, xxxiii, 230.

— of Texas, J. L. Riddell, xxxvii, 212.

—, Hog-wallow, of Texas, notice of, xxxix, 211.

Prase in Massachusetts, i, 344.

— in Rhode Island, viii, 226, 230.

— in Pennsylvania, viii, 238.

Precession of the equinoxes, remarks on, vii, 323^f; viii, 132, 139.^f

— —, constant of, O. Struve, xlvii, 91.

Precipitate, purple, of silver and gold, xxii, 198.

Prehnite, L. P. Walmstedt on, ix, 378.