174 THE DISEASES OE THE HORSE. 



heels to crack and break out in pimples. This is best 

 counteracted by aperients and diuretics. 



Remedy. — Treated according to origin, duration, and 

 condition. When from wet ground, remove to dry; when 

 from filth, cool and fine legs by cautious purging. If the 

 ulceration has not penetrated through the skin, bran poul- 

 tices, mild astringent powder, weak solutions of blue vit- 

 riol, alum, tincture of myrrh, benzoin, &c; poultice best. 

 If through skin, heroic treatment ; slough with butter of 

 antimony or nitric acid ; some use lunar caustic or a red 

 hot iron. Wipe dry ; sprinkle caustic ; poultice. High- 

 heeled shoes if necessary. Watch frog. Overexercise in- 

 jurious. Green food. (Percivall.) 



SORENESS ABOUT THE ANUS. 



There is a sort of eruption consisting of patchy exco- 

 riation and slight ulceration around the verge of the anus. 

 It occurs usually in the spring, and is accompanied by 

 costiveness. It is ascribed to a disordered alimentary 

 canal, preternatu rally hot, acrimonious fecal discharges, 

 which increase the external irritation. 



Remedy. — Wash twice a day, wipe dry, and sprinkle 

 with common flour. Gentle purge if necessary. 



WARTS (VERRUC/E). 



A horse may be so covered with warts as fo be tempo- 

 rarily useless. Their most common situations are the 

 head (eyelids, muzzle, ears), belly, sheath, penis, and in- 

 ner side of thigh and arm. They are said to be pro- 

 duced by the skin, whence they derive their coverings. 

 Some grow by pedicles ; others have broad roots ; others 

 still are incased in the skin, out of which they slip, if 

 pressed, when freed by the knife. Some are no larger 

 than peas, others as large as marbles or walnuts, while a 

 single wart has been known to grow till it impeded the 

 action of a limb. They are usually enveloped in thin, 



