124 THE IMPROVED ART OF FARRIERY. 



bring the part affected to a head, and to promote the 

 formation of matter; then pass a seton from the top to 

 the bottom of the tumour, on both sides if necessary. 

 When the case has passed into the fistulous symptoms, 

 the greatest of care is required, for fistulas when ne- 

 glected or badly treated, soon change into obstinate 

 ulcers. Caustic applications will be called into use in 

 these stages of the disease, which will be most effica- 

 cious in destroying the malignity of the case and re- 

 storing the parts affected to a healthy state. 

 The following may be applied : — 



Corrosive Sublimate - - 2 drachms. 



Spirit of Wine - - - 5 ounces. 

 This lotion will soon begin to show its effects, and in a 

 few days the surface will put on a better aspect, when 

 it will be necessary to keep the part clean, and doubt- 

 less the whole will be healed shortly after ; but the 

 saddle should not be used too soon, as the skin being 

 thin, the former symptoms might return. In very ob- 

 stinate cases the treatment may be undertaken similar 

 to that mentioned under the " Pole Evil." 



POLE EVIL 



Takes its name from its situation on the pole of the 

 head, and commences in inflammation, gradually re- 

 solving itself into an abscess or ulcer, when it becomes 

 most troublesome to cure. 



It is more frequently found with large draught or 

 farm-horses ; the hair at the roots of the mane causing 

 irritation, they are apt to rub their heads against the 

 stall, sometimes rather violently; hence, in time, an 



