HORSESHOEING. 



61 



brittle and easily fissured and chapped. With respect to quality, 

 we distinguish good and bad horn; the former is fine and 

 tenacious (tough), the latter coarse and either soft and crumb- 

 ling or hard and brittle. If not dried out, all horn is elastic, 



Fig. 43. 



Right forefoot viewed from the side: A, lower end of the cannon; B, fetlock-joint; C, 

 long pastern; D, coronet; E, hoof; F, heel; F', inner heel; G, foot-lock covering the ergot. 



though soft horn is more elastic than hard. All honi is a poo7' 

 conductor of heat. 



The relative positions of the various parts of the foot are 

 shown in Fig. 42. 



Fig. 43 represents the exterior of a well-formed foot. 



