Brown-yellow plates; bitter taste.—Sol. in alcohol, ether, chloroform, benzene.—Respiratory Stimulant, Antispasmodic.—Uses: Dyspnea, asthma, spasmodic croup, etc.—Dose: 1—2 grn., in pills.

Atropine (Alkaloid) Merck.—U.S.P.—C.P., Cryst.

Dose: 1/120—1/60 grn.—Antidotes: Emetics; pilocarpine, muscarine nitrate, or morphine, hypodermically; tannin, or charcoal before absorption.—Incompatibles: Chemical, alkalies, tannin, salts of mercury; physiological, morphine, pilocarpine, muscarine, aconitine, and eserine.

Atropine Sulphate Merck.—U.S.P.—C.P., Cryst.

Uses and Dose: Same as of alkaloid.

(Other salts of Atropine are not described because used substantially like the above.)

Balsam Peru—U.S.P.

Sol. in absol. alcohol, chloroform; insol. in water.—Dose: 10—30 min.

Balsam Tolu—U.S.P.

Sol. in alcohol, ether, chloroform; insol. in water.—Dose: 5—15 grn.—Preparations: Syr. (1:100); Tr. (1:10).