Continents, mean height above the sea, Humboldt, xlix, 397.
Conwell, C. C., chemical experiments on tobacco, xvii, 369.
—, on the passage of light through small apertures, xx, 350.
Conybeare and Phillips, outlines of the geology of England and Wales, vii, 203.
Cooking apparatus of Lemare, vi, 399.
Cooling of the earth, a dynamical cause in geology, W. W. Mather, xlix, 288.
Cooley, D., floral calendar, ii, 254.
Cooper, report on the fossil bones of Big Bone Lick, xx, 370.
Cooper, T., on the tests for arsenic, iv, 155.
—, disclaimer of, with regard to a fossil described by A. Eaton, xx, 413.