=Wine Whey.=—Put 1 quart new milk in a saucepan and place over fire. Stir until nearly boiling. Add 2 ounces of sherry wine. Boil slowly for fifteen minutes. Skim off curds as they arise. Add 1 tablespoonful sherry. Skim again, then strain through gauze. CHAPTER XXV SOLUTIONS AND THERAPEUTIC INDEX =Acid, Boric.= 5 dr. in a pint of water makes a 4% solution, or 1:25. =Acid, Carbolic.= 15 ♏︎ in a quart of water makes a 0.1% solution, or 1:1000. 5 dr. to the quart makes a 2% solution; and 1¼ oz. to the quart, a 5% solution. =Chinosol.= 15 gr. to the quart of water makes a solution of 1:1000. =Formalin.= 1 dr. to the quart of water makes a solution of about 1:500. =Mercury Bichloride.= 15 gr. to the quart of water makes a 0.1% solution, or 1:1000. 1½ gr. to the quart makes a 0.01% solution, or 1:10,000. =Normal Salt Solution.= 2 dr. of salt to the quart of water, or 0.9%. =Physiological Salt Solution.= Take normal salt solution as given above and to every 3½ oz. add 15 gr. of carbonate of soda. =Potassium Permanganate.= 2½ dr. to the quart makes a 1% solution. 3 gr. to the quart makes a 1:5000 solution. =Silver Nitrate.= 4½ gr. to the ounce of water or 1 gr. to 1–7/10 dr. makes a 1% solution. =Ziratol.= 2½ teaspoonfuls to a quart of water makes a 1% solution. For general reference the following valuable table is appended: PERCENTAGE SOLUTION TABLE BY ALFRED I. COHN, PHAR. D., in _Merck’s Report_