Types and Market Classes of Live Stock 



407 



The skeletons of man and horse compared show striking similarity, 

 and at some points rather marked variation and difference in propor- 

 tionment of parts. The horse's knee corresponds to man's wrist. The 

 bones below the horse's knee correspond to those beyond man's wrist. 

 Following is a comparison of the bones and parts of the fore and hind 

 legs of the horse with the arm and leg of man: 



The accompanjnng drawing makes clear the comparison between 

 the hind leg of the horse and the foot of man. 



Fig. 151. — Bones of the human foot and hind leg of horse compared. A, 

 Tibia; B, astragalus; C, calcaneus; D and E, small tarsals; F and G, metatarsals; 

 1, 2, and 3, first, second, and third phalanges. 



