—, hailstorm in Louisiana, xxvii, 171.

—, formation of fogs, xliv, 40.

—, meteorological register at Jackson, La., 1839-1841, xliv, 49.

—, methods used in obtaining the mean temperatures of places, and on the supposed difference between temperature of the air and of the earth, xliv, 50.

Carpolithes Smithii, xlv, 402.

Carrara marble, shown to be altered oolite, xxx, 176.

Carson, A. W., on currents in water, xxix, 340.f

Carver, S. D., notice of a meteoric stone which fell in Maryland, Feb., 1825, ix, 351.

Caryophyllia in marl, New Jersey, xvii, 288.