254 THE ARTISTIC ANATOMY OF ANIMALS 



Finally, the portions of the wall which form its continuation 

 in passing forward are called the bars* These are only 

 visible on the inferior surface of the hoof (see Fig. lOo). 



The wall, convex transversely, is, in its anterior part (viz., 

 the toe) inclined strongly downwards and forwards. This 

 obliquity tends to become gradually effaced on the lateral 

 parts to such a degree that at the quarters it becomes 

 almost perpendicular to the surface of the ground. 



The internal quarter is less rounded than the external ; 

 in addition to this (Fig. 97), it approaches more nearly to the 

 vertical direction. 



Fig. 98. — Left Anterior Foot of the Horse : External Aspect. 



I, Fetlock ; 2, spur or beard ; 3, pastern; 4, outline determined by the 

 epternal fibro-cartilage ; 5, acute angle ; 6, nipple ; 7, quarter ; 8, heel. 



In our opinion, this latter difference clearly recalls certain 

 characters of the general form of the human foot. In fact, 

 the latter has its dorsal surface inclined downwards and 

 outwards, whereas its internal border may be said rather to 

 be vertical. A transverse section of the foot (Fig. 99) justifies 

 this comparison, which to us appears interesting, not only 



* It is to the angle of inflexion or heel that some authors give the name 

 of buttress; it is the bars which other authors designate in this fashion. 



