52 



SCIENTIFIC HORSESHOEING. 



A, Coffin-bone. 



B, Navicular-bone. 



C, Lower pastern-bone. 



D, Upper pastern-bone. 



E, Cannon-bone. 



F, Velvety tissue or sensitive sole. 

 6, Horny wall. 

 H, Horny sole. 



I, Horny frog. 



K, Plantar-cushion or sensitive sole 



L, Horny laminee. 



M, Sensitive laminae. 



N, Front extensor tendon. 



O, Perforatus (superficial flexor). 



P, Perforans (deep flexor of the foot 

 inserted under the coffin-bone. 



Q, Metacarpal ligament (joining the 



perforans tendons. 



B., Suspensory ligament of the fet- 

 lock. 



S, Sesamoid-bone (dotted line). 



T, Branch of per- 

 foratus tendon attached 

 to lower pastern-bone. 



Fig. 5. median section of front digit, fkom base 



OF FOOT to head OF CANNON BONE, SHOWING ARRANGE- 

 MENT OF THE ARTICULAR AND MUSCULAR APPARATUS. 



The dotted line through center of digital bones shows the 

 line of action of weight from above to below, and marks the 

 normal anorle of the foot. 



