—, tea hills, excursion to, xxxi, 194.
Chios, college of, iii, 381.
Chipman, N., on moving stones in lakes and ponds, xiv, 303.
Chitteningo fossil tree, v, 251; xviii, 354.
Chlorate of potash, economical process for, A. A. Hayes, xvii, 408.
— —, as made by S. Guthrie, xxi, 92.
Chloric ether, new mode of preparing, S. Guthrie, xxi, 64; xxii, 105.
— —, properties and medical effects of, xxi, 405.
— —, preparation of, A. A. Hayes, xxii, 163.
Chlorine, theory of, ii, 362.