102 FISTULA AND POLL-EVIL 
whole lower third of the cervical region is hard 
and tumefied. Abscesses may point well for- 
ward along the neck and as far down as the 
level of the vertebra. This is cervical fistula, 
a type that may also result from either the typ- 
ical or the atypical types previously described. 
The treatment of fistula from sitfast should 
begin with prevention. That is to say, the sit- 
fast should be properly managed. It is an 
error to allow even the smallest superficial 
sitfast to sojourn on the neck unchecked. The 
veterinarian should recommend prompt extir- 
pation and give warning about the serious state 
that may develop from careless treatment 
thereafter. The sitfast should be extirpated 
down into the sound, unaffected tissues, no 
matter how far it may extend, and the subject 
must be removed from service or worked with 
a breast collar. To leave any part of the dead 
tissue in the cavity or to subject the neck to 
continued injury by working the patient with 
a collar will encourage the development of 
chronic fistula and the attendant results. We 
therefore advise that all sitfasts be managed 
with this end in view, that the patient be sub- 
mitted to a proper operation and the wound 
treated as it should be after the operation. The 
extirpation of deep sitfasts and the application 
of caustic into the cavity in our hands have not 
