54 



HORSESHOEING. 



Fig. 36. 



Vertical section through middle of a forefoot, the skin and pododerm being In red. (In 

 the figure the direction of both long and short pasterns, B and D, is too nearly vertical— too 

 steep.) A, metacarpal bone (cannon) ; B, os suflfraginis (long pastern) ; C, inner sesamoid 

 bone (to render it visible a portion of the intersesamoid ligament v\^as removed) ; D, os coro- 

 nae (short pastern) ; E, os pedis (foot-bone) ; F. navicular bone ; a, extensor tendon ; 6, suspen- 

 sory ligament of the fetlock ; h', superficial uiferior sesamoid ligament ; c, perforatus tendon 

 or flexor of the os coronse ; c', ring passing forward from this tendon and encircling the per- 

 forans tendon ; d, perfbrans tendon ; e, capsular ligament of fetlock-joint ; /, capsular ligament 

 of coronary joint ; j?, g', capsular ligament of pedal joint ; h, synovial sheath of the per- 

 forans tendon ; z, plantar cushion and fleshy frog ; i', bulbs or glomes of plantar cushion ; i" 

 indicates the lowest point reached by the plantar cushion, which in the figure is hidden below 

 by the frog-stay of the horny frog ; k, coronary band (red) ; I, podophyllous tissue fred) ; m, 

 velvety tissue of the sole (red) ; n, velvety tissue of fleshy frog (red) ; o, wall ; p, sole ; g, frog ; 

 9', the inner half of the frog-stay which reposes in the median lacuna of the fleshy frog ; r, 

 spur of horn in middle of the toe ; s, hair-skin (red). 



