DEPARTMENT OF SURGERY. 
613 
found in the vagina and os uteri of cows and bitches ; and, 
occasionally in the mare ; and when known to exist the true 
condition should be ascertained by a manual or digital examin¬ 
ation, and if found to involve the cervex or completely close 
the anterior part of the vagina, the foetus should be removed 
by Caesarian section. 
(B) Pelvic Osteophytes (or Osteomata). —Osteophytes 
located on the superior and lateral surfaces of the pubis or 
ischium are often serious obstructions ; and, those that involve 
the shaft of the ilium (Fig. 22), especially when they are lo¬ 
cated in the lateral walls of the pelvic cavity. The presence of 
such bony growths are not common in the mare, excepting in . 
those that have recovered from fractures of the pelvic bones 
(Fig. 24) ; in the cow the condition is more common, and is 
FIG 22. 
PELVIC OSTEOPHYTE RESULTING FROM TRAUMATIC COXITIS. 
