On Crib-Biting. 131 



rounded at their front edges, and by the enlarged and over- 

 grown appearance of the muscles which depress the jaw. 



A wind-sucker smacks his lips, gathers air into his mouth, 

 extends his head or presses it against some solid body, arches 

 his neck, gathers his feet together, and swallows air, blowing 

 himself out to a very visible extent. 



Both animals are subject to colic, indigestion and diabetes, 

 the wind-sucker more, however, than the cribber. 



Treatment. — These habits are considered incurable. They 

 may be provented by various mechanical means. 



For cribbing, the throat may be compressed with a neck 

 strap of peculiar shape, to be had of most saddlers ; or what 

 is called a " bar muzzle " may be applied, which allows the 

 horse to eat but not to seize with his teeth. For wind suck- 

 ing, a strap studded with sharp points of iron opposite the 

 lower part of the jaw is the best preventive. 



In both cases attention should be given to the indigestion 

 and to the condition of the teeth and bowels. 



COLIC— THE GEIPES. 



The horse is subject to two kinds of colic, spasmodic and 

 flatulent, which will be considered separately. 



SPASMODIC COLIC-GEIPES. 



Definition. — -A spasmodic contraction of the muscular coats 

 of the intestines, usually commencing suddenly, causing severe 

 pain, and with a tendency to run into inflammation. 



Causes. — These are various. Improper food, sudden 

 changes of diet, exhaustion from overwork, drinking cold 

 water when heated or exhausted, constipation, worms, and 

 ulcers of the stomach, have all been set down as frequently 

 leading to the complaint. 



Symptoms. — In intestinal colic the symptoms are sudden 



