CANADIAN HOKSE AND HIS DISEASES. 145 



matipri from some of the other organs, high condition and 

 over-work, undue exposure to a hot sun, all seem to be 

 favourable to its production. 



Symptoms. — It is usually ushered in by dulness and 

 persistent drowsiness ; he stands with his head between his 

 legs, or sometimes resting on the manger or leaning against 

 the wall ; the eyes shut, and the pupils dilated ; the pulse 

 is full, soft, and slow ; the breathing is heavy and loud ; he 

 is very difficult to arouse, and when startled he looks, dreamily 

 about ; may take a few bites of hay but soon drops asleep 

 again ; the bowels are costive, and the urine scanty and high 

 coloured. 



In a day or two the symptoms are either mitigated or it 

 goes on to the second stage, when the pulse becomes quick, 

 general excitement takes the place of lethargic stupor ; the 

 countenance is wild and excited looking ; the eyes are blood- 

 shot and staring ; delirium sets in ; he dashes himself 

 furiously about, reels and staggers, often throws himself 

 ( ( violently down ; lies trembling, blowing, and convulsed ; his 

 bloodshot eyes, like to start out of their sockets ; he will 

 soon get up, rear and plunge forward, breaking everything 

 around him ; evidently unconscious of the injuries he. is sus- 

 taining ; and, what is characteristic of the complaint, his 

 destruction is carried on evidently without purpose, as is 

 "evinced in rabies or madness. The convulsions become 

 more frequent and continuous, and death ends his misery 

 in from twenty to twenty-four hours. 



Treatment. — Copious blood-letting must be at once re- 

 sorted to ; no time should be lost in giving a strong dose 

 of purgative medicine.. One or both jugulars may be 

 opened, or where, from the restlessness of the patient or 

 danger in working about him, this is impracticable, the 

 lancet should be plunged into the temporal artery, which 



