Dose. - 5-20 grains (0.3-1.20 Gm.), in solution.

Vinum Ferri - Vini Ferri -Wine of Iron (U. S. P.). - Composition. - Iron and ammonium citrate, tincture of sweet-orange peel, syrup, and water.

Dose. - 1/2-l fluidram (2.0-4.0 Cc.) [2 fluidrams (5 Cc), U. S. P.].

Ferri et Ammonii Citras - Ferri et Ammonii Citratis - Iron and Ammonium Citrate (U. S. P.). - Origin. - Prepared by evaporating a solution of ferric citrate and ammonia water.

Description and Properties. - Thin, transparent, garnet-red scales, odorless, and having a saline, mildly ferruginous taste; deliquescent in moist air. Completely soluble in water, but insoluble in alcohol.

Dose. - 5-10 grains (0.3-0.6 Gm.) [4 grains (0.25 Gm.), U. S. P.].

Ferri et Quininae Citras - Ferri et Quininae Citratis - Iron and Quinine Citrate (U. S. P.). - Origin. - Solution of ferric citrate in distilled water and solution of quinine and citric acid in distilled water are mixed, evaporated on a water-bath to the consistence of syrup, and dried on plates of glass.

Description and Properties. - Thin, transparent scales, of a reddish-brown color, without odor, and having a bitter, mildly ferruginous taste; slowly deliquescent in damp air. Gradually but completely soluble in cold water, more readily soluble in hot water, and but partially soluble in alcohol, its solubility diminishing with age. It should be kept in well-stoppered bottles, protected from light.

Dose. - 2-10 grains (0.12-0.6 Gm.) [4 grains (0.25 Gm.), U. S. P.].

Elixir Ferri, Quininae et Strychninae Phosphatum - Elixlris Ferri, Quininae et Strychninae Phosphati - Elixir of Iron, Quinine and Strychnine Phosphates (U. S. P.). - Each fluidram contains 1 grain (0.0647 Gm.) of ferric phosphate, 1/2 grain (0.0324 Gm.) of quinine, and 1/64 grain (0.001 Gm.) of strychnine. This is the official representative of a large class of popular preparations on the market.

Ferri et Quininae Citras Solubilis - Ferri et Quininae Citratis Solubilis -Soluble Iron and Quinine Citrate (U. S. P.). - Origin. - Prepared in the same manner as the above salt, but with the addition of ammonia water.

Description and Properties. - Thin, transparent scales, of a greenish, golden-yellow color, odorless, and having a bitter, mildly ferruginous taste; deliquescent in damp air. Rapidly and completely soluble in cold water, but only partially soluble in alcohol. It should be kept in well-stoppered bottles, protected from light.

Dose. - 2-10 grains (0.12-0.6 Gm.) [4 grains (0.25 Gm.), U. S. P.].

Ferri et Strychninae Citras - Ferri et Strychninae Citratis - Iron and Strychnine Citrate (U. S. P.). - Origin. - Solution of iron and ammonium citrate in distilled water and solution of strychnine and citric acid in distilled water are mixed, evaporated to the consistence of syrup by means of a water-bath, and dried on plates of glass [0.9-10 per cent. strychnine, 16 per cent. metallic iron equivalent].

Description and Properties. - Thin, transparent scales, varying in color from garnet-red to yellowish-brown, without odor, and having a bitter, slightly ferruginous taste; deliquescent in damp air. Readily and completely soluble in water, but only partly soluble in alcohol. It should be kept in well-stoppered bottles, protected from light.

Dose. - 1-3 grains (0.06-0.18 Gm.) [2 grains (0.125 Gm.), U. S. P.].

Vinum Ferri Amarum - Vini Ferri Amari - Bitter Wine of Iron (U. S. P.). - Composition. - Soluble iron and quinine citrate, tincture of sweet-orange peel, syrup, white wine.

Dose. - 1-2 fluidrams (4.0-8.0 Cc.) [2 fluidrams (8 Cc), U. S. P.].

Syrupus Ferri, Quininae et Strychninae Phosphatum - Syrupi Ferri, Quininae et Strychninae Phosphatum - Syrup of the Phosphates of Iron, Quinine, and Strychnine (U. S. P.). - Dose. - 1-2 fiuidrams (4.0-8.0 Cc.) [1 fluidram (4 Cc), U. S. P.].

Ferri Hydroxidum - Ferri Hydroxidi - Ferric Hydroxide (U. S. P.). (Hy-drated Oxide of Iron, Ferri Oxidum Hydratum, U. S. P. 1890.) - Origin. - To 38 Cc. of a solution of ammonia water in water is added a 100-Cc. solution of ferric sulphate in water, and the precipitate collected.

Description and Properties. - A brownish-red magma, wholly soluble in hydrochloric acid, without effervescence.

Dose. - 4 drams (16 Gm.), or ad libitum in case of arsenical poisoning.

Ferri Hydroxidum cum Magnesia - Ferri Hydroxidi cum Magnesia - Ferric Hydroxide with Magnesia (U. S. P.). - Solution of ferric sulphate, magnesia, and water.

Dose. - Amounts as necessary ad libitum.

Ferri et Ammonii Sulphas - Ferri et Ammonii Sulphatis - Ferric Ammonium Sulphate (U. S. P.) (Ammonio-ferric Sulphate - Ammonio-ferric Alum).

- Origin. - The crystals formed by adding ammonium sulphate to a boiling-hot solution of ferric sulphate.

Description and Properties. - Pale-violet, octahedral crystals, odorless, and having an acid, styptic taste; efflorescent on exposure to the air. Soluble in 3 parts of water and in 0.8 part of boiling water; insoluble in alcohol. The product should be kept in well-stoppered bottles.

Dose. - 5-15 grains (0.3-1.0 Gm.) [7 1/2 grains (0.5 Gm.), U. S. P.].

Ferri et Ammonii Tartras - Ferri et Ammonii Tartratis - Iron and Ammonium Tartrate (U. S. P.) (Ammonio-ferric Tartrate). - Description and Properties.Thin, transparent scales, varying in color from garnet-red to reddish-brown, without odor, and having a sweetish, slightly ferruginous taste; slightly deliquescent in the air. Very soluble in water; insoluble in alcohol. Iron and ammonium tartrate should be kept in well-stoppered bottles, protected from light.

Dose. - 10-30 grains (0.6-2.0 Gm.) [4 grains (0.25 Gm.), U. S. P.].

Ferri et Potassii Tartras - Ferri et Potassii Tartratis - Iron and Potassium Tartrate (U. S. P.) (Potassio-ferric Tartrate). - Description and Properties. Thin, transparent scales, varying in color from garnet-red to reddish-brown, without odor, and having a sweetish, slightly ferruginous taste; slightly deliquescent in the air. Very soluble in water; insoluble in alcohol. It should be kept in well-stoppered bottles, protected from light.