ABSCESS OF THE GUTTURAL POUCHES. 
385 
right. The prognosis was now grave, as mare had not enough 
strength to stand much of a pneumonia. On the 26th the 
temperature was 102-J in vagina, respiration 29, pulse 95, 
weak but regular, eyes sunken, mucous membrane dry, legs 
cold, crepitant rales in middle and upper part of right lung, 
while we had mucous and blowing rales in the bottom. We 
now had crepitant rales in the left lung at the bottom. She 
stood in one place with the head in corner, breath with same 
foetor, but more so when disturbed. 
On the evening of the 28th the animal died ; autopsy 
was held at 10:30 a.m. next day. Temperature of weather 
8o° in shade. Animal lying on left side, emaciated, but not 
tympanitic. Animal evidently had not struggled ; lying on 
peat moss ; no discharge of fluids from any opening. Made 
incision along the linea alba from pubis to sub-maxillary 
space, skinned down the neck, then sawed off inferior maxil- 
lary bone anterior to molars, disarticulated, dissected down 
to guttural pouch. Parotid and sub-maxillary salivary glands 
normal. Opened right guttural pouch, which was perfectly 
healthy ; then opened larynx, which had a few minute points 
of inflammation. On opening the pharynx found the mu¬ 
cous membrane inflamed and points of ulceration; the teeth 
were stained black, tongue normal. On opening the left 
guttural pouch we found it about half full of cheesy, foetid 
pus and decomposed blood clot, and extensive ulcerated con¬ 
dition of the mucous membrane. The hyoid bone was ulcer¬ 
ated until it was disarticulated at its upper extremity. The 
ulceration extended through the occipito-atloid articulation. 
The cartilage of the occipital and atlas highly inflamed and 
ulcerated. The ulcerations had extended into the spinal 
canal, the fluids pushing the meninges from the bone. The 
sinews were healthy. 
The third cervical was perfectly healthy, as well as the 
muscles overlying it. Skinned down the side, taking off the 
front leg with the skin, cutting the ribs top and bottom, leav¬ 
ing lungs exposed. Cavity contained but very little fluid 
which was not foetid ; the pleura inflamed over the spots 
of pneumonia bottom part of right lung ; also anterior lobes 
