SHOEING. 



585 



The wall or crust, or rather its lower edge, is divided into por- 

 tions designated by different names, as explained in Figs. 376 to 

 379. 



FIG. 371. F 10 - 373 



Fore leg, with skin removed, showing, veins, arteries, and nerves. 



a, Z, Plantar nerve ; 0, digital artery; A:, median branch; e, branch of artery; 

 d, pre-plantar branch of nerve. 



The sole forms, with the frog and bars, the lower surface of 

 the horny case ; it is in the form of a crescent, and is surrounded 

 by the lower edge of the wall, to which it adheres; its lower sur- 



