38 



VETERINARY LECTURES 



Bones of the Fore-Legs (Right and Left)— continued. 



Horse. Ox. Dog. Pig. 



Ulna (elbow-bone) 



much 



larger in 



the ox than 



the horse 



Carpus (knee) 



Upper Row — 

 Scaphoid, lunar, 

 cuneiform, pisi- 

 form 

 Lower row — 



Trapezium, trape- 

 zoid, magnum, 

 unciform 



Metacarpal ... 



Horse. Ox. Dog. Pig. 



8 pairs 6 pairs 7 pairs 8 pairs 



(In the ox the trapezium is want- 

 ing, and the magnum and tra- 

 pezoid are represented by a 

 single bone.) 



j> 



Sesamoids 



Os suffraginis (large 



pastern) 

 Os coronae (small 



ditto) 

 Os pedis (coffin bone) 

 Os navicular (shuttle 



ditto) 



2 large 2 large \ 



4 small 2 small 



4 8 



2 4 



^ee par. 61 . 



2 

 2 



4 

 4 



61. The arrangement of the bones under the knee of the dog 

 resembles that of the human hand. They number thirty-four in 

 each limb, whilst those under the knee of the pig are about twenty- 

 eight in each. 



62. Os Innominatum, or pelvic (hip) bone, is composed of 

 three sections — ilium, ischium, and pubis (right and left) — and 

 these form the side, floor, and part of the roof of the pelvic cavity. 



