ELEMENTS OF H1PP0L0GY. 



123 



Cannon bone 



angle behind the joint, formed by the coffin- and lower pastern- 

 bone, fits the navicular-bone. These three bones are bound 

 together by several short, strong ligaments. Two wide and 

 thick pieces of cartilage, continuing the wings of the coffin-bone, 

 called the lateral cartilages of the coffin-bone, fit in behind 



the three 

 bones, be- 

 tween them 

 and the 

 walls of the 

 hoof, and 

 act as 

 springs to 

 keep the 

 bones from 

 Upper pastern plunging 

 too violent- 



Sescunoid, bone 



Plantar 

 cushion 



Frog 



Coffin 

 bone 



ly into the 

 w e d g e - 

 shaped in- 



L'ower pastern^ QYl0r ° * 

 the hoof, 

 when ever 

 the foot 

 strikes the 

 ground. 



A large, 

 wide ten- 

 don fastens 

 itself to the 

 under side 

 of the coffin-bone, bends around the roller-shaped navicular-bone, 

 passes behind the coronary-bone, and on up to its muscular de- 

 velopment above the knee or hock. This is the principal flexor— 



Figure 82. — The Foot in Cross-Section. 



