_Elixir Cinchonae Alkaloidorum et Hypophosphitum (Elix. Cinchon. et Hypophos.), Elixir of Cinchona Alkaloids and Hypophosphites, N.F._ (Elixir Cinchonae et Hypophosphitum, N.F. III, Elixir of Calisaya, Alkaloidal, with Hypophosphites).--Calcium hypophosphite and sodium hypophosphite (each 1.75%), elixir of cinchona alkaloids (about 85%), hypophosphorous acid and water. Absolute alcohol content about 18 per cent. DOSAGE: 8 Cc. or 2 fluidrachms (N.F.). _Elixir Cinchonae Alkaloidorum, Ferri et Calcii Lactophosphatis._--See under Calcii Lactophosphas. _Pilulae Antiperiodicae (Pil. Antiperiod.), Antiperiodic Pills, N.F._ (Warburg's Pills).--Each pill contains quinine sulphate (0.09 Gm. or 1-1/2 grains), extract of aloes (0.065 Gm. or 1 grain) and rhubarb (0.032 Gm. or 1/2 grain) with angelica fruit, elecampane, saffron, fennel, zedoary, cubeb, myrrh, agaric, camphor and extract of gentian. DOSAGE: 1 pill (N.F.). _Pilulae Antiperiodicae sine Aloe (Pil. Antiperiod. s. Aloe), Antiperiodic Pills without Aloes, N.F._ (Warburg's Pills without Aloes).--Each pill contains quinine sulphate (0.09 Gm. or 1-1/2 grains), rhubarb (0.032 Gm. or 1/2 grain) with angelica fruit, elecampane, saffron, fennel, zedoary, cubeb, myrrh, agaric, camphor and extract of gentian. DOSAGE: 1 pill (N.F.). =*Quininae Tannas (Quin. Tann.), Quinine Tannate, U.S.P.= Pale yellow, or yellowish-white, odorless and tasteless, or nearly tasteless powder. Only very slightly soluble in water. Somewhat more soluble in alcohol. ACTION AND USES: Used where comparatively tasteless preparations are wanted. DOSAGE: 0.2 Gm. or 3 grains (U.S.P.); sometimes administered with chocolate or sugar. _Trochisci Quininae Tannatis (Troch. Quin. Tan.), Troches of Quinine Tannate, N.F._--Each troche contains quinine tannate (0.06 Gm. or 1 grain) with tragacanth, oil of theobroma, cocoa, sugar and sodium benzosulphinide. DOSAGE: 1 troche (N.F.) =Quininae Valeras (Quin. Valer.), Quinine Valerate, N.F.= White, lustrous crystals, with a valerian-like odor and an intensely bitter taste. ACTION AND USES: Those of quinine and valerates, but disagreeable and superfluous. DOSAGE: Tonic, 0.1 Gm. or 1-1/2 grains (N.F.); antimalarial, 1 Gm. or 15 grains daily (N.F.). _Elixir Quininae Valeratis et Strychninae (Elix. Quin. Valer. et Strych.), Elixir of Quinine Valerate and Strychnine, N.F._ (Elixir Quininae Valerianatis et Strychninae, N.F. III).--Quinine valerate (1.75%), strychnine sulphate (0.0175%), compound tincture of cudbear, distilled water and aromatic elixir. Absolute alcohol content about 22 per cent. USES: Irrational "tonic" mixture. DOSAGE: 4 Cc. or 1 fluidrachm (N.F.). =Renninum (Rennin.), Rennin, N.F.=--Milk-curdling enzyme from the stomach of the calf.