—, production of crystals and certain insects, xxxv, 125.f

—, Acari of, xxxii, 374f; xxxv, 125f; xlix, 227.

—, —, experiments of W. H. Weekes in the production of, xliii, 395.

Crucible, improved, viii, 389.

—, for glass houses, on the manufacture of, xvi, 112.

—, for fusion, xxiii, 384.

Crustaceans in Palæozoic rocks, J. Phillips, xlii, 326.

—, see farther under [Zoology, Articulata.]

Cryophorus, Wollaston's, vii, 140.