Virginia Snakeroot.—Tonic, Antiperiodic, Diaphoretic.—Dose: 10—30 grn.—Preparations: F.E. (1:1) Tr. (1:10).—Enters into Comp. Tr. Cinchona.

Serum, Antituberculous, Maragliano.—(Only in 1 Cc. [16 min.] tubes.)

Antitoxin against Pulmonary Tuberculosis.—Dose (subcutaneous): In apyretic cases, 16 ♏ (1 cubic centimetre) every other day for 10 days, then daily for 10 days, and 30 ♏ twice a day thereafter until sweats have entirely subsided, when 16 ♏ are injected for a month every other day, and finally once a week for a year. In febrile cases, if the fever be slight and intermittent, dosage the same as above; if continuous and intense, inject 160 ♏; and if there be a marked fall of temperature repeat in a week, and so continue until fever is gone, then inject 16—32 ♏ daily.

Silver Chloride Merck.

White powd.; blackens on exposure to light.—Sol. in ammonia, potassium thiosulphate, potassium cyanide.—Antiseptic, Nerve-sedative.—Uses: Chorea, gastralgia, epilepsy, pertussis, diarrhea, and various neuroses.—Dose: ½—1-½ grn., in pills.—Max. D.: 3 grn.

Silver Citrate Merck.

White, dry powd.—Sol. in about 4000 parts water.—Antiseptic Astringent.—Uses: Wounds, gonorrhea, etc.—Applied in 1—2% oint., or 1—2:8000 solut.—Always prepare solut. fresh!

Silver Cyanide Merck.—U.S.P.

SOL. in solut's of potassium cyanide, ammonia, sodium thiosulphate.—Antiseptic, Sedative.—USES: Epilepsy, chorea.—Dose: 1/60—1/20 grn., in pills.—ANTIDOTES: Ammonia, chlorine, mixture of ferric and ferrous sulphates, artificial respiration, stomach siphon.

Silver Iodide Merck.—U.S.P.