no FISTULA. 



indurated half-concocted matter, intermixed 

 with an acid or corrosive ichor. 



This is in general the origin and progress 

 of what (with additional bad treatment) con- 

 stitutes'a conjirmed fistula, and conies directly 

 under the very method of cure described in 

 the last article ; with renewed instruction, 

 and remembrance to lay open all sinuses or 

 cavities into which the probe can be passed, 

 taking care to make no transverse opening 

 across the withers to divide the ligament, 

 but making the" incisions longitudinal ou 

 either side or both, as occasion may require. 

 Should the discharge continue sluggish or 

 incomplete, enlarge the proportion of tur^ 

 pentine ov precipitate in the ointment, adding 

 an ounce of the spirit of turpentine, if the 

 matter is very offensive ; make also a consi- 

 derable addition in the tincture of myrrh and 

 cantharidcs to the detergent lotion before 

 prescribed. When the applications are re- 

 quired to exert their digestive powers more 

 effectually, in consequence of any particular 

 languor upon the part, or deficiency in the 

 discharge, let the ointment be applied with 

 ^ degree of warmth sufficient to insinuate it- 



