514 THE IMPROVED ART OF FARRIERY. 



Melt the resin soap and turpentine over a slow lire, 

 and when cooling, add the nitre. Strong dose, one 

 ounce and a half to two ounces. Mild dose, six 

 drachms to eight. The former may be given once a 

 week ; the latter, every third or fourth day. 



Diuretic Powders. 



Yellow Resin, (powdered) - - 2 pounds. 



Nitre 4 pounds. 



Cream of Tartar - - - 2 pounds. 

 Dose, six drachms to ten or twelve, twice a week, 

 a mash. 



C)TT.;S, 



Are either fixed or volatile. The Jixed oils are so 

 called, because they are not liable to be changed into 

 vapour but under a high degree of temperature, and 

 are also generally gained in quantities by expression. 

 The volatile oils, on the contrary, are produced by dis- 

 tillation, and evaporate by a moderate heat. The 

 fixed kind, in horse practice, are — 



1. Oil of Bay, 



An expressed oil from bay berries ; now obsolete^ 

 fcxcept in the recipes of the pountry smith. 



