Chinoidine.—Very bitter, brownish-black mass.—Sol. in diluted acids, alcohol, chloroform.—Antiperiodic, Tonic, etc.—Uses: Intermittent and remittent fevers. Best taken between paroxysms.—Dose: 2—15 grn.

Resin—U.S.P.

Rosin; Colophony.—Vulnerary; Irritant.—Preparations: Cerate (35 per cent.): Plaster (14 per cent.).

Resin, Jalap, Merck.—U.S.P.—True, Brown.

Heavy Jalap Resin.—Sol. in alcohol; partly solut. in ether.—Dose: 2—5 grn.

Resin, Podophyllum, Merck.—Perfectly and Clearly Sol. in Alcohol and in Ammonia.

Podophyllin.—In habitual constipation, small continued doses act best.—Dose: 1/8—1/2 grn.; in acute constipation, 3/4—11/2 grn.

Resin, Scammony, Merck.—White, and Brown.

Dose: 3—8 grn.

Resinol.—(Not Retinol!)