THE SKELETON 



parallel to each other; the ulna is on the outside, the side 

 corresponding to the little finger; the 



.17171 



scap 



phi 



radius occupies the 

 inner side, the same 

 side as the thumb. At 

 the lower end of each, 

 a bump may be felt, 

 the bump on the ulna 

 being larger. The 

 wrist is called the 

 carpus, and is com- 

 posed of eight small 

 bones arranged paral- 

 lel in two rows, four in 

 each row, running 

 across the wrist. Next 

 follows \ho,metacarp2is 

 ("beyond the carpus") 

 (Fig. 60), or the bones 

 in the palm of the 

 hand. The palm is 

 composed of five long 

 bones, each serving to 

 support a finger or 

 thumb. Each finger 

 is composed of three 

 small bones called 

 phalanges, ("rows of 



Jem - 



FIG. 60. The Arm and soldiers"); the thumb 



has only two. The FIG. 61. Bones of the 



Seen from the front. Why W H T o- 



do the fingers seem so thumb is more mOV- 

 long? TII i r Front view. 



able than the fingers, 



and can be opposed to each of them. The arm therefore 

 consists of thirty bones; the upper arm has one ; forearm, 

 two; wrist, eight; palm, five; fingers, fourteen. 



