126 FISTULA AND POLL-EVIL 



time of the operation. After the ligament has 

 been removed, a sound can sometimes be passed 

 downward five or six inches before it touches 

 the bottom of the cavity. 



Chronic Septicemia co-exists to a certain ex- 

 tent in all bad cases of poll-evil. It is, however, 

 less serious than in fistula of the withers, since 

 the region is smaller. 



