18 



ANATOMY. 



and passing forwards are prolonged in front by the rib-cartilages, the 

 upper seven of which are joined to the sternum or breast-bone (Fig. 1). 

 Reaching outwards from the top of the breast-bone, on each side to 

 the shoulders, and placed horizontally across the root of the neck, are 



Fig. L 



Fig. 1. A front view of the Human Skeleton, the bones being surrounded with a contour outline, to 

 show their position within the soft parts of the body. The bones of the left side and limbs are repre- 

 sented as if held together by membranous structures at the joints. (Bourgery and Jacob.) 



the collar-bones, so named because a collar worn round the neck rests 

 upon them, otherwise named the clavicles, from the diminutive of 

 clavis, a key. To the outer end of each collar-bone, is attached the 



