=*Fel Bovis (Fel Bovis), Oxgall, U.S.P.= A brownish-green or dark green, somewhat viscid liquid, with a peculiar odor and a disagreeable, bitter taste. ACTION AND USES: Used in the form of the extract as intestinal antiseptic, cholagogue and laxative. _*Extractum Fellis Bovis (Ext. Fel. Bov.), Extract of Oxgall, U.S.P._ (Powdered Extract of Oxgall).--One Gm. of extract represents 8 Gm. of oxgall. DOSAGE: 0.1 Gm. or 1-1/2 grains. * * * * * Note:--_The prescribing of iron can be greatly simplified without sacrificing anything of real value, if physicians will confine themselves to the starred preparations._ * * * * * =Ferri Acetas, Ferric Acetate.=--Fe(C{2}H{3}O{2}){3}. _Liquor Ferri Acetatis (Liq. Ferr. Acet.), Solution of Ferric Acetate, N.F._--Contains anhydrous ferric acetate, Fe(C{2}H{3}O{2}){3} (about 31%), corresponding to about 7.5 per cent. metallic iron, Fe. DOSAGE: 0.3 Cc. or 5 minims (N.F.). _Liquor Ferri et Ammonii Acetatis._--See under =Ammonii Acetas.= =*Ferri Carbonas, Ferrous Carbonate.=--FeCO{3}. _*Massa Ferri Carbonatis (Mass. Ferr. Carb.), Mass of Ferrous Carbonate, U.S.P._ (Vallet's Mass).--Contains FeCO{3} (35%) with sugar and honey. DOSAGE: 0.25 Gm. or 4 grains (U.S.P.). _Mistura Ferri Composita (Mist. Ferr. Co.), Compound Iron Mixture, N.F._ (Griffith's Mixture).--Ferrous carbonate (obtained by decomposing 0.6% ferrous sulphate with potassium carbonate), sugar, myrrh, spirit of lavender and rose water. DOSAGE: 15 Cc. or 4 fluidrachms (N.F.). _*Pilulae Ferri Carbonatis (Pil. Ferr. Carb.), Pills of Ferrous Carbonate, U.S.P._ (Chalybeate Pills, Blaud's Pills, Ferruginous Pills).--Each pill contains FeCO{3} (0.06 Gm. or 1 grain). USES: Convenient and effective form of iron. DOSAGE: 2 pills (U.S.P.). =Ferri Carbonas Saccharatus (Ferr. Carb. Sacch.), Saccharated Ferrous Carbonate, U.S.P.=--Ferrous carbonate, FeCO{3} (not less than 15%) preserved with sugar. A greenish-brown, odorless powder, with a taste at first sweetish, afterward ferruginous. ACTION AND USES: Hematinic, like other iron salts; practically non-astringent and non-irritating. DOSAGE: 0.25 Gm. or 4 grains (U.S.P.) =*Ferri Chloridum (Ferr. Chlor.), Ferric Chloride, U.S.P.= (Iron Perchloride, Sesquichloride of Iron).--Ferric chloride, FeCl{3}, with water of hydration. Orange-yellow crystalline deliquescent pieces, odorless, and with a strongly styptic taste. Very soluble in water (1:0.2); freely soluble in alcohol. ACTION AND USES: Used in the form of the tincture of ferric chloride as an astringent, especially as an application to the throat. Also hematinic, but relatively irritant. _Gossypium Stypticum (Gossyp. Stypt.), Styptic Cotton, N.F._--Purified cotton, impregnated with ferric chloride.