MATERIA MEDICA AND THERAPEUTICS. 65 



tion of a small residue. It is the" best form of powdered iron, 

 used in veterinary practice for large animals, except when the 

 stomach is irritable, then the milder preparations, such as the 

 carbonate are preferable. 



Dose. — Horses, % to i dr; pigs, 5 to 15 grs. ; lambs, 1 to 4 

 grs. ; colts, 10 to 15 grs. ; cattle, 1 to i J / 2 drs. ; calves, 10 to 20 grs. ; 

 sheep, 8 to 20 grs. ; dogs, ]/ 2 to 2 grs. 



SYRUPUS FERRI IODIDI.—A yellowish or greenish 

 yellow liquid with a sweet, inky taste. (10 per cent strength.) 



Dose. — Horse, 1 to 2 ozs. ; dogs, 10 m. to 1 dr. 



Given where you want the combined action of iron and 

 iodine. Action : Tonic, alterative, diuretic and emmenagogue. 



FERRUM OXIDUM HYDRATUM—Hydrated Oxide of 

 Iron. — Used internally and only as an antidote for arsenical 

 poisoning. It has a reddish brown color, should be administered 

 in the form of a soft mass, and must be made up fresh. Human 

 dose, a tablespoonful every 5 or 10 minutes until the symptoms 

 of poisoning have subsided. It is harmless and may be admin- 

 istered ad libitum. 



FERRI OXIDUM HYDRATUM CUM MAGNESIA— 

 Ferric Hydrate zvith Magnesia. — (Used only as. an antidote for 

 Arsenic poisoning.) 



To make this preparation, keep on hand in separate bottles. 



Two ounces of ferric sulphate solution, diluted with four 

 ounces of water and 180 grains of magnesia made into a smooth 

 mixture with one-half pint of water — when needed, mix the two 

 and shake until a homogenous mass results. 



Dose. — Administer in large quantities at short intervals and 

 follow with an emetic or stomach pump. 



TINCTURA FERRI CHLORIDE— This is a solution of 

 chloride of iron in alcohol, with some free hydrochloric acid. 



Dose. — Horses, 2 drs. to 1 oz. ; sheep and pigs, 10 to 30 ms. ; 

 lambs, 3 to 10 ms. ; cattle, J4 to i>£ ozs. ; calves, y 2 to 2 drs. ; 

 dogs, 2 to 20 ms. All the liquid preparations of iron should be 

 diluted with water or oil ; this is the best liquid preparation of 

 iron for our use. Powdered forms of iron should be diluted with 

 some non-irritating powder. 



FERRI PHOSPHAS SOLUBILIS— Soluble Ferric Phos- 



