Cinchonidine Sulphate.—U.S.P.

Sol. in alcohol; sl. in water.—Dose: Same as Cinchonidine.

Cinchonine Merck.—U.S.P.—Pure, Cryst.

Sol. in dil. acids; insol. in water.—Dose: Same as Cinchonidine.

Cinchonine Sulphate Merck.—U.S.P.

Sol. in 10 parts alcohol, 70 water.—Dose: Same as Cinchonine.

Cinnamon, Cassia—U.S.P.

Cassia Bark.—Dose: 10—30 grn.—Preparation: Oil (D., 1—3 min.).

Cinnamon, Ceylon—U.S.P.

Dose: 10—30 grn.—Preparations: Oil (D., 1—3 min.); Spt. (10 per cent. oil); Tr. (1:10); Water (one-fifth per cent. oil).