270 



COMMON BRITISH ANIMALS 



with that of man^ we find the feiimr or thigh-bone 

 relatively very much shorter than man^s thigh-bone, 

 and placed like tlie humerus so obliquely, and the knee- 

 joint (stifle joint of the horse) so close to the trunk 

 that it appears not to form a part of the leg at all. 



The second joint of the hind limb from the stifle 

 joint to the hock is mainly supported by the tibia. 

 The fibula is present as a separate bone, but is 



Heel or 

 Hock 



Fig. 62. — Bones of the foot of Horse and Man compared. The 

 same bones Avhich in man form part of the sole of the 

 foot, in the horse form the lower part of the leg-. C, the 

 cannon bone. (Drawn by F. Wheeler after W. P. 

 Py craft.) 



proportionally much reduced. The hock of the horse 

 corresponds with the ankle of man, and, as in the 

 case of the forefoot, the cannon bone with the meta- 

 carpal of the third toe, and the fetlock and hoof 

 with the third toe itself. 



The skull of the horse compared with that of man 

 shows an enormous development of the mouth and 



