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).

Baptisin Merck.—Pure.

Brownish powd.—Sol. in alcohol.—Purgative in large doses; Tonic, Astringent in small doses.—Uses: Scarlet fever, chronic dysentery, etc.—Dose: 1/2—5 grn., in pills.

Barium Chloride Merck.—C.P., Cryst.

Colorl.; bitter, salty taste.—Sol. in 21/2 parts water; almost insol. in alcohol.—Cardiac Tonic and Alterative.—Uses: Intern., arterial sclerosis and atheromatous degeneration, syphilis, scrofula, etc.; extern., eye-wash.—Dose: 1/10—1/2 grn., 3 t. daily, in 1% sweetened, aromatic solut.—Antidotes: Sodium or magnesium sulphate; emetic; stomach pump.

Barium Iodide Merck.

Deliquescent cryst.—Decomposes and reddens on exposure.—Sol. in water, alcohol.—Alterative.—Uses: Scrofulous affections, morbid growths.—Dose: 1/10—1/2 grn., 3 t. daily.—Extern. as oint. 4 grn. in 1 ounce lard.—Caution: Keep well stoppered!