105 



"cannon-bone" and the second and fifth remain as 

 the " splent-bones." These last do not reach down 

 to the length of the cannon bone, and they no 

 longer have any digits to cany. In the horse and 

 in the dog, the first digit is, at the most, rejoresented 

 by some dislocated piece. 



The hock-joint is formed of the small bones, which, 

 in man, compose the ankle ; and the " point of 

 the hock " is the projecting heel of man. In like 

 manner, the smaU wrist bones are all found repre- 

 sented in the " knee" of a horse or ox, while in 

 these animals the elbow rests close to the body. 



§ 104. In the bottom of the horse's foot, two 

 lobes, divided by the cleft of the frog, may be easily 

 seen. Now, if we suppose two fingers of a man's 

 hand to be placed together, the ball of one finger 

 against that of the other — next, that while the nails 

 grow together hehveen the fingers, while on the outer 

 sides the nail of each outer finger turns and pro- 

 longs itseK into the skin — Ave have only to draw 

 away the skin from the inner face of these nails, to 

 get a representation of the bottom of the horse's 

 foot ; the nails and their inflexed continuations stand- 

 ing for the " crust " and " bars ; " the skin outside the 

 turning of the nails, and ivhat is drawn back from 

 their inner surface, for the "frog ;" and the portion 



