4. (Dr Reece). Alum, 1 dr.; acetate of lead, 112 dr.; triturate with 6 oz. of boiling water, and in an hour filter.

Injection of Al′um. Syn. Injectio aluminis, L. Prep. 1. (Dr Collier.) Alum, 18 gr.; rose-water, 6 fl. oz.; dissolve. For the urethra.

2. (Collier.) Alum, 3 dr.; water, 1 quart. For the vagina.

3. (Ph. Ch.) Alum, 4 gr.; rose-water, 4 fl. oz. The above are all astringent.

Injection of Ammo′′nia. Syn. Injectio ammoniæ, L. Prep. 1. (Dr Ashwell.) Liquor of ammonia, 1 to 2 fl. dr.; milk, 1 pint. In obstructed menstruation.

2. (Lavagna.) Liquor of ammonia, 8 to 20 drops; milk, 2 fl. oz. As the last, thrice daily, beginning with the least quantity of ammonia.

3. Liquor of ammonia, 1 fl. dr.; mucilage, 1 oz.; water, 9 fl. oz. As the last.

Injection of Ammo′′nio-Sulphate of Cop′per. Syn. Injectio cupri ammoniati, L. Prep. (Swediaur.) Ammonio-sulphate of copper, 5 gr.; rose-water, 8 fl. oz. In chronic gonorrhœa.

Injection of Bichlo′′ride of Mer′cury. Syn. Injectio hydrargyri bichloridi, L. Prep. 1. Corrosive sublimate, 2 gr.; rose water, 5 fl. oz.; hydrochloric acid, 1 drop.

2. Corrosive sublimate and sal ammoniac, of each 5 to 10 gr.; water, 1 pint.