SHOEING. 173 



ditional inftruftions to fix a criterion, which 

 muft, after all the fpec illative matter or ex- 

 perimental knowledge that can be introduced, 

 be regulated by the exercife of his own pro- 

 feffional penetration, or the perfonal fuper- 

 intendance of thofe, whofe inftrudions it 

 muft be his intereft to obey. 



. Corns, in general occafioned much more 

 by the unobferved ftridure of the Jl^oe (as 

 before defcribed) than any defed in nature, 

 are not fufRciently attended to in their earlieft 

 ftate for fpeedy obliteration; but permitted 

 to acquire by time and continuance of the 

 caufe, a rigid callofity before the leaft attempt 

 is made for extirpation j during which inat- 

 tention they become io inflexibly firm in their 

 bails, that they are not eafily to be eradicated, 

 though great care and perfeverance will greatly 

 alTift their mitigation, if not entirely eftablilh 

 their cure. 



The befl and mofl confiftent method is to 

 reduce it with the drawing knife, as much as 

 the extent of the corn and the depth of the 

 fole will admit, obferving not to exceed the 

 bounds of difcretion in penetrating the horny 



fole 



