2. (Ph. D.) Purified extract of Indian hemp, 12 oz.; rectified spirit, 12 pint; dissolve. 21 drops (minims) contain 1 gr. of the extract.

Obs. The formula of O’Shaughnessy and the Bengal Ph. are similar.—Dose, 10 drops every 12 hour in cholera; 1 fl. dr. every 12 hour in tetanus till the paroxysms cease, or catalepsy is induced.

Tincture of Indian Tobac′co. Tincture of lobelia.

Tincture of I′odine. Syn. Tinctura iodinei (Ph. E.) Tinctura iodinii, L. Prep. (Ph. E.) Iodine, 212 oz.; rectified spirit, 1 quart; dissolve, and preserve it in well-closed bottles.—Dose, 5 to 30 drops, twice or thrice daily, where the use of iodine is indicated. Externally, as a paint, &c.

Obs. The formulæ of Magendie, the Ph. U. S., and the Paris Codex, are similar.

Tincture of Iodine (Colourless). Syn. Tinctura iodi decolorata. (Ph. G.) Prep. Iodine, 10 oz.; hyposulphite of soda, 10 oz.; distilled water, 10 oz. Digest with gentle heat, occasionally shaking; and, when the solution is completed, add liquor ammoniæ (·960), 16 oz. (by weight), shake together, and add rectified spirit, 75 oz. (by weight).

Tincture of Iodine (Compound). Syn. Antiscrofulous drops; Tinctura iodi (B. P.), Tinctura iodinii composita (Ph. L. & D.), L. Prep. 1. Iodine, 12; iodide of potassium, 14; rectified spirit, 20; dissolve.—Dose, 5 to 20 minims. Also an excellent application to the throat in diphtheria.

2. (Ph. L. & D.) Iodine, 1 oz.; iodide of potassium, 2 oz.; rectified spirit, 1 quart; dissolve.—Dose, &c., as the last.

Tincture of Iodine (Ethereal). Syn. Tinctura iodinii ætherea. Prep. Iodine, 2 scruples, sulphuric ether, 112 fl. oz.

Tincture, Iodoform (Ethereal). Syn. Tinctura iodoformi ætherea. (Odin & Lemaire.) Prep. Crystallised iodoform, 15 gr.; ether at 60° Baumé, 1 dr. (by weight).