—, in New York, iv, 37.
Chrysoprase, viii, 234; xvii, 353.
Churchill, S., notice of a double fish, xxvi, 116.f
Chyometer, mode of determining specific gravities with, xi, 126.f
Cicada septendecim, or seventeen year locust, habits of, xiii, 224.
— —, account, of, S. P. Hildreth, xviii, 47.f
— —, remarks on, D. Thomas, xxi, 188.
Cinchona, on the different kinds of bark confounded with, De Candolle, xvii, 388.
—, bark, experiments on, G. W. Carpenter, ix, 363.
Cinchovatine, xlvii, 196.