CHAPTER II. 
THE NERVOUS SYSTEM. 
BRAIN FEVER.—INFLAMMATION OF THE BRAIN. 
HIS disorder affects the brain or its membranes, or both, and is caused 
by over-exertion in warm weather or exposure to the sun on a hot 
day; insufficiency of water; very stimulating food; hard blows on 
the head. It is not common among horses. At first the symp- 
toms are mild, including heavy.eyes, with red membranes under the eyelids; 
loss of appetite; the head rests on some object or between the legs; sleep, 
96. VIOLENT SYMPTOM OF BRAIN FEVER. 
followed by sudden waking, staring, and dozing again. In a day or two 
there will be delirium with convulsions and fits of excitement; heaving 
flanks; wild, red, staring, bloodshot eyes, wide open; nostrils stretched out; 
46 
Digitized by Microsoft® 
