Caoutchouc, electrical properties of, xx, 404.
—, Mitchell's mode of working, xix, 195.
—, sheet, xvii, 399.
—, cloth coated with, xxxiii, 400.
—, rendered impermeable to gas, xlvii, 194.
—, mineral, vi, 370; xl, 215.
—, —, in Connecticut, vi, 370.
Cape of Good Hope, geology, scenery, &c., G. Champion, xxix, 230.
— — —, fossils of, xlix, 213.
Capillary attraction, T. Strong, xviii, 70.