354 



TYPES AND MARKET CLASSES OF LIVE STOCK 



The parts below the hock are similar in structure to those 

 below the knee. 



The skeletons of man and horse compared show striking 

 similarity, and at some points rather marked variation and 

 difference in proportionment of parts. There are seven or 



Fig. 112. Bones of the Hock. 



A, Tibia; B, calcaneus; C, as- 

 tragalus; D, tarsals; E, cannon bone; 

 F, splint bone. 



eight bones in the knee of the horse. The horse's knee corre- 

 sponds to man's wrist. The bones below the horse's knee cor- 

 respond to those beyond man's wrist. Following is a com- 

 parison of the bones and parts of the fore and hind limbs of 

 the horse with the arm and leg of man: 



Fore Limb of Horse 



Arm of Man 



Parts 

 Shoulder 

 Arm 

 Forearm 

 Wrist 

 Palm 



Fingers 

 Finger nails 



Bones 



Scapula and clavicle 

 Humerus 

 Radius and ulna 

 7 carpals 

 5 metacarpals 

 f Thumb 2 bon<s 

 { Other fingers 3 

 bones 



Leg of Man 



Parts 

 Pelvis 



Hoof 



Thigh 



Knee 



Calf 



Ankle 



Instep 



Toes 

 Toe nails 



Bones 

 Ilium, ischium, 



and pubis 

 Femur 

 Patella 



Tibia and fibula 

 8 tarsals 

 5 metatarsals 

 Great toe 2 bones 

 Other toes 3 bones 



