Caspian sea, height of the Black sea above, xl, 320.
[Cassius,] purple powder of, ii, 350; xx, 192; xxviii, 145; xlviii, 192.
Casting, metallic, improvement in, vii, 190.
Casts, plaster, method of coating, xxx, 171.
Caswell, A., on zinc, as a covering for buildings, xxxi, 248.
Catacecaumene, volcanic region of, xxxiii, 95.
Catalytic action, Mercer on, xliv, 351.
Caterpillars, destruction of, iv, 392; xxvi, 189.
—, emigration of a colony of, J. Skene, ix, 284.f
Catlin, G., account of a journey to the Côteau des Prairies, and description of the red pipestone quarry and granitic bowlders there found, xxxviii, 138.