60 



HORSESHOEING. 



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 suffraginis (long pastern); C, inner sesamoid 

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

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

 sory ligament of the fetlock; b', superficial inferior sesamoid ligament; c, perforatus tendon 

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

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

 of coronary joint; g, g', capsular ligament of pedal joint; h, synovial sheath of the perfo- 

 rans tendon; !, plantar cushion and fleshy frog; i', bulbs or glomes of plantar cushion; Vin- 

 dicates 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); /, podophyllous tissue (red); m, 

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

 q", the inner half of the frog-stay which reposes in the median lacuna of the fleshy frog; s, 

 hair-skin (red). 



