MATERIA MEDICA AND -THERAPEUTICS. 1 19 



cornea, as insoluble compounds are formed; the acetate may be 

 used as an ointment or powder or in solution dissolved in 20 to 

 40 parts water, a little vinegar or acetic acid increases its solubil- 

 ity ; it is used in white lotion as follows : 



# Zinci Sulphatis pulv. 3 vi. 



Plumbi Acet. pulv. 3 i- 

 Aqua Oj ss. 



M. Sig. — Apply 4 or s times daily for collar galls, sore backs, etc. 



Goulard's extract is superior for strained and inflamed ten- 

 dons, used with water 1 to 4. 



LIQUOR PLUMBI SUBACETATIS— Solution of Lead 

 Subacetate. — Goulard's Extract. — Composed of acetate of lead 

 170 pts., oxide of lead 120 pts., boiled together in water to make 

 1000 pts. A dense, clear, colorless liquid, sweet, astringent taste, 

 alkaline reaction, decomposed by exposure to the air. 



LIQUOR PLUMBI SUBACETATIS DILUTUS^-Diluted 

 Solution of Subacetate of Lead — Goulard's Water. — 30 parts 

 Goulard's extract to water to make 1000 parts. 



There is also a CERATUM PLUMBI SUBACETATIS. 



Uses. — Four to five ounces of Goulard's extract to the pint 



of water is used for sprains, bruises, cuts, burns, scratches, 



grease-heel, etc. For painful affections Tr. of opium 4 to 6 



ozs. to 1 pint, or belladonna about 2 ozs. to the pint are added. 



These substances when combined are chemically incompatible but 



therapeutically active. Goulard's extract 1 part, lard-oil 4 to 6 



parts; makes a good dressing for blistered or bruised surfaces, 



grease-heel and other ailments of that class ; for skin disease, 



eczema, canker of ear in dogs, etc., use the following. 



$ Liq. plumbi subacet, 3 i- 



Glycerini. 3 "• 



Aq. 3 ii. 



M. Sig. — Apply 3 or 4 times daily. (But in treating canker of the ear 

 for the first 4 or 5 days use peroxide of hydrogen first.) 



For canker of the ear in dogs the following has given the 



highest satisfaction. 



]£ Liq. Plumbi Subacet 3 j. 



Sodii bicarb. 3 ij. 



Ext. Opii. 3 ss. — 3 j. 



Glycerini 3 ss. 



Aq. qs. ad. 3 ij- 

 M. 



Sig. — Use a teaspoonful in the ear, with an equal amount of hot 

 water. 



