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VETEKINAET MEDICINE AND SURGERY. 



Fig. 116 shows the relation of the bones of the lower leg to the foot 

 bones: — a, cannon bone; h, large pastern bone; c, small pastern bone; 

 d, pedal bone; e, navicular bone; f, insertion of the extensor pedis 

 tendon into the coronary process of the pedal bone; g, insertion of the 

 flexor pedis perforans, passing under the navicular bone, to gain inser- 

 tion into the sole of the pedal bone; h, elastic frog; i, horny frog; /, 

 hoof; k, coronet. 



Fig. 116. 

 The pastern and foot divided through the centre. 



Fig. 117 exhibits the delicate laminae within the wall of the foot: — 

 a, sensitive frog; h, sensitive bars: white line between the bars and frog 

 representing the part of the foot which secretes the horny commissure 

 that unites the bars and frog; c, sensitive sole; d, heels; e, fissUre of the 

 ^^og; ff, reflection of the sensitive laminre forming the bars; g, reflec- 

 tion of the coronet forming the frog. The spongy substance, represented 

 at the left between e-a and h, show that the subject whence this drawing 

 was taken was only saved by death from an attack of canker. 



Fig. 118, the bottom of the foot after all the insensitive sole has been 

 removed: — a, secreting coronet; h, sensitive laminae; c, reflection of the 

 coronet going to form the sensitive frog; d, reflection of the sensitive 

 laminae going to form the sensitive bars; e, toe; /, quarters; g, heels. 



