Fig. 414. 



A, Cross section of hoof, Fig. 410, indicated in 412. 

 showing the exact thickness of wall, sole, and frog at A. 



Fig. 415. 



B, View of the next section of the wall of the same, 

 drawn on an exact scale as indicated in the foregoing 



Fig. 416. 



C, Third cross section of the same, showing the thickness 

 of wall, sole, and frog at the points indicated by the same. 



