THE FISTULA. 191 



ointment will not have occasion to be made so 

 very hot for fistulas as for the poll-evil ; but yet 

 it must be dressed in the same manner as thei'e 

 directed, twice a week. As soon as the wound 

 discharges good matter, and the sweUing has sub- 

 sided, it generally looks wide and gaping; and 

 when all the vacant parts become filled with 

 sound flesh, it will be proper to heal it with the 

 compound tincture (No. 116, p. 155), which may 

 be done by anointing the part with a feather 

 dipped in the same, and afterwards sprinkling 

 over the wound the following healing and drying 

 powders. 



(RECIPE, No. 142.) 



Take — Burnt alum, and white vitriol, of each half an 

 ounce, in powder ; 

 Bole armenic, white lead, and yellow resin, of 



each two ounces in powder : 

 Powder and mix them all together. 



All wounds of this kind must be dressed once or 

 twice a day with the tincture and these powders. 



JVarbles are small, hard tumors, which appear 

 on horses' backs in the summer season, and are 

 chiefly occasioned by the unqual and long-con- 

 tinued pressure of the saddle. They, in general, 

 proceed from heats and colds in travelling. The 

 cure will be easily performed by rubbing the parts 



