320 



THE EXTERIOR OF THE HORSE. 



readily observed by the examination of the transverse sections represented 



in Figs. 113 and 115, practised upon unshod feet. 



The frog, at its anterior 

 extremity, terminates in a 

 point (Figs. Ill and 116), 

 which is lodged in the sum- 

 mit of the re-entering angle 

 of the sole. 



Its posterior extremity 

 bifurcates and terminates by 

 two enlargements, o, o (Figs. 

 109, 116, and 117), called 

 the glomes, which overhang 

 the heels and become con- 

 tinuous along the superior 

 border of the wall by a 

 thin, soft, flexible band of 

 horn, jo, little pervious to 

 water. "The latter produc- 

 tion, known under the 



name of periople, and secreted by the perioplic band of which we have already 



FIG. 117. Hoof whose perioplic band is detached. 



FIG. 118. Fore-foot. 

 A' Profile. B. Posterior view. C. Inferior face. 



spoken, is nothing else than the prolongation of the cutaneous epidermis upon 



