SYMPTOMS 125 
touched. The back is arched, the animal dull and stiff, 
vomiting of a greenish-yellow mucus frequent, and the 
appetite completely in abeyance. The temperajure,’t “aif 
previously fairly low, may rise to 104° or 105° F., but 
usually stops at the former figure. 
Later, the abdomen may become aistenaea faa ‘the 
presence of accumulated fluid, and this helps materially 
‘in the diagnosis of the condition ; but when the forma- 
Fic. 13—Doc witH eae ARISING SOMETIMES FROM PERITONITIS. 
(Miller and Glass, ‘‘ Diseases of the Dog.’’) 
tion of this serosity maintains a gradual increase, a 
pressure is exerted upon the diaphragm which seriously 
impedes the lungs, and produces sometimes acute 
dyspnoea and frequently even death from either suffoca- 
tion, heart failure, or collapse. The pulse has then 
become thin and rapid or practically imperceptible. 
Peritonitis is, always very fatal, but more rapidly so 
where it is due to perforation of the bowel wall, followed 
.by septic infection. 
Suppurations—Some authors have described pyzemic 
lesions in connection with distemper, but personally I 
