Cook, Capt. J., account of a bird's nest in New Holland, xlvii, 218, 312.
Cordage, plants for, xxv, 330.
Cordier, L., Essay on the Temperature of the Earth, analysis of, xv, 109.
Couthouy, J. P., two species of Cidaris and Patelloidea, xxxvi, 381.
—, monograph of the Osteodesmacea, xxxvi, 382, 384.
—, new species of shells, xxxvi, 389.
Cowles, statement of, concerning circular fires causing wind, xxxvi, 53.
Currents, marine, proofs of, in New York, xxxvi, 37.
Cutbush, J., localities of minerals at West Point, vii, 57.
Dana, J. F., analysis of water of Congress Spring, xxxvi, 8.