522 CURE OF CANKER. [BOOK III. 



Causes. — Precisely similar to those which pro- 

 duce tkefrus/t, only making its appearance at the 

 hind foot, and depending upon ill cured inflam- 

 mation of the intestines, to diseases of the urinary 

 organs, protracted, and greater aggravation. Our 

 French neighbours write of the two under the same 

 head, of cancer, let them be seated wheresoever they 

 may. 



The symptoms are those of frush, extended also 

 to the bars of the frog, the heel, the sole, &c. ; and 

 so is the 



Cure ; with this addition, that the paring must 

 be carried on to the extremity, bai;ing all the dis- 

 eased parts, though these extend over the whole 

 bottom of the foot. Cut away the proud flesh to 

 the quick, and when it has bled a little, apply 



The Powder. 



Sulphate of copper, 1 ounce, 

 Corrosive sublimate, 4 drachms, 

 Prepared chalk, 1 ounce. 

 Mix, and sprinkle a small portion of it over the 

 exposed surface. If the disease makes a hollow 

 between the hoof and the coffin-hone, the powder 

 must be introduced there by means of a spatula, or 

 flat piece of wood, with a bit of tow on it ; but do 

 not leave the tow behind, as that might produce a 

 fresh disorder. Butter of antimony is preferred 

 by some to the foregoing powder, because it is a 

 liquid and acts more generally ; but it operates only 

 for a very short time before its effects cease, being 



