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fiance a fair trial, I am become tolerably well aware 

 of the relative efficacy of every thing in common ufe 

 for the cure of mange, and of many things not in 

 common ufe ; by which means, after repeated alte- 

 rations, I have at length fucceeded, fo as to be under 

 no necelTity of any further alteration; and I can 

 recommend the Mange Ointment [page 23] as a cer- 

 tain fpecific in all the varieties of real mange. The 

 principal difficulty in forming a compound that is 

 really efficacious for this complaint, is, the making 

 it adive, yet fafe fhould the dog lick it. This de- 

 firable end I have at length attained ; the medicine 

 in queftion being fo mild, that the whole quantity 

 may be eaten without danger, and yet fo efficacious, 

 that flight cafes are removed by once applying it : 

 thofe with greater inveteracy feldom require more 

 than twice ; and the very worft ftages of it are re- 

 moved, in general, by three apphcations. 



It is believed by many, that mange cannot be 

 cured without bleeding ; but the reverfe of this is the 

 fad : however, fo certain is it that the blood be- 

 comes aflfecled in this difeafe, that the blood of a 

 mangy dog introduced into the veins of a healthy 

 one would produce mange. Therefore, when the 

 complaint has attained a very great degree of inve- 

 teracy, it may not be imprudent to begin the cure 

 by bleeding. The food in this difeafe rauft be 

 changed; that is, if a dog before ate flefli, he muft, 



