ACTION AND USES: A reliable hypnotic in moderate doses, inducing a condition closely resembling that of normal sleep. Used for the relief of insomnia and nervousness, and for the control of convulsions and spasms. Should be used with special caution in cases of weakened heart or blood vessels. Continued use is likely to produce a habit. DOSAGE: 0.5 Gm. or 8 grains (U.S.P.), in solution. Decomposed by alkalies; should not be dispensed in liquids containing both bromides and alcohol. _Mistura Chloralis et Potassii Bromidi Composita (Mist. Chloral. et Pot. Brom. Co.), Compound Mixture of Chloral and Potassium Bromide, N.F._ (Chloral and Bromide Compound).--Hydrated chloral (20%), potassium bromide (20%), extract of hyoscyamus (0.2%) in water. The formula calls for cannabis but this is filtered out. USES: Similar in composition to the widely advertised nostrum Bromidia and equally irrational and objectionable. DOSAGE: 4 Cc. or 1 fluidrachm (N.F.). =*Chloroformum (Chlorof.), Chloroform, U.S.P.=--CHCl{3}. A clear, colorless liquid, with an ethereal odor and a burning, sweet taste. Slightly soluble (1:210) in water and miscible with alcohol, ether, petroleum benzin or fixed or volatile oils. Decomposed by alkalies. ACTION AND USES: General anesthetic, administered by inhalation. Locally, a penetrating and fairly powerful irritant. Frequently used in the form of liniments. Taken by mouth in small doses, carminative, anodyne and antiseptic. Larger doses are anthelmintic but dangerous. A direct cardiac depressant. DOSAGE: 0.3 Cc. or 5 minims (U.S.P.), diluted. _*Aqua Chloroformi (Aq. Chlorof.), Chloroform Water, U.S.P._--A saturated solution of chloroform in water. DOSAGE: 15 Cc. or 4 fluidrachms (U.S.P.). _*Linimentum Chloroformi (Lin. Chlorof.), Chloroform Liniment, U.S.P._--A mixture of chloroform (30%) and soap liniment. Fairly active counterirritant. _Mistura Chloroformi et Morphinae Composita (Mist. Chlorof. et Morph. Co.), Compound Mixture of Chloroform and Morphine, N.F._ (Mistura Chloroformi et Cannabis Indicae Composita, N.F. III, Chloroform Anodyne).--Morphine sulphate (0.25%), chloroform (12.5%), ether (3.25%), tincture of cannabis (18.5%), tincture of capsicum, oil of peppermint, glycerin, water and alcohol. Absolute alcohol content about 60 per cent. USES: An evident imitation of the nostrum sold as chloranodyne, and equally irrational and objectionable. DOSAGE: 2 Cc. or 30 minims (N.F.). _Petroxolinum Chloroformi Camphoratum (Petrox. Chlorof. Camph.), Camphorated Chloroform Petroxolin, N.F._ (Camphor and Chloroform Petrox).--Chloroform (25%), camphor (25%) and liquid petroxolin. _*Spiritus Chloroformi (Sp. Chlorof.), Spirit of Chloroform, U.S.P._--Chloroform (6%) in alcohol. Absolute alcohol content about 90 per cent. DOSAGE: 2 Cc. or 30 minims (U.S.P.). =Chlorum, Chlorine.=--Cl.