Actions and Uses.—It is claimed that this compound acts like morphine without producing constipation, nausea or lassitude. It is the conclusion of some good observers that it possesses no advantage over codeine. Applied to the eye, it causes a local vasodilation, leading to acute conjunctival edema. Dionin is recommended to relieve pain, especially in respiratory affections, as an antispasmodic in whooping-cough, for insomnia and externally in the treatment of corneal affections, conjunctivitis, iritis, etc. Dosage.—0·015 to 0·06 gramme (¼ to 1 grain). Externally it is applied in 10 to 20 per cent. solutions. Manufactured by E. Merck, Darmstadt. (Merck & Co., New York.) DIURETIN. A name applied to theobromine-sodium salicylate, which see. Manufactured by Knoll & Co., Ludwigshafen, Germany (E. Merck & Co., New York). DUOTAL. A name applied to Guaiacolis Carbonas, U. S. P. Manufactured by Farbenfabriken, vorm. Friedr. Bayer & Co., Elberfeld, Germany (Continental Color & Chemical Company, New York). DUOTONOL. A name applied to a mixture of equal parts of calcium tonol and sodium tonol. (See Tonols.) Actions and Uses and Dosage.—See Glycerophosphates. Manufactured by Chemische Fabrik auf Actien, vorm. E. Schering, Berlin (Schering & Glatz, New York). ELIXIR EUPNEIN. A preparation said to contain in each dose of 8 c.c. (2 fluidrachms): heroin 0·0026 gramme (1/24 grain), terpin hydrate 0·13 gramme (2 grains) creosote 0·3 gramme (5 grains), in a menstruum containing 30 per cent. of alcohol with glycerin and aromatic essential oils. Actions and Uses.—From its composition it appears to be well adapted to use in chronic cough from bronchitis, etc. Dosage.—4 to 12 c.c. (1 to 3 fluidrachms). Prepared by Schieffelin & Co., New York. ELIXIR SAW PALMETTO. An elixir of saw palmetto berries, sandal wood and cornsilk. Actions and Uses.—The constituents of this preparation are credited with diuretic properties and believed to be sedative to the genito-urinary tract and to exert a curative action on the inflamed mucous membrane, especially in chronic cases. Dosage.—4 to 16 c.c. (1 to 4 fluidrachms) three times a day. Prepared by Parke, Davis & Co., Detroit, Mich. EMPYROFORM. A condensation product of birch tar and formaldehyde. Actions and Uses.—Empyroform is an antipruritic, sedative and desiccant. It is said to be superior to tar and free from irritant or toxic effects. It is claimed to be useful in all stages of eczema, psoriasis, lichen, urticaria, prurigo, pityriasis, etc. Dosage.—It is applied as a 5 to 10 per cent. ointment, 10 to 20 per cent. zinc paste, 10 to 20 per cent. tincture, and 37·5 per cent. suspension. Manufactured by Chemische Fabrik auf Actien, vorm. E. Schering Berlin (Schering & Glatz, New York). EPICARIN.