xxv] 



PECTOKAL GIRDLE 



651 



part in the movements of the limb. It is therefore not surprising 

 to find that the upper portion of the girdle, the shoulder-blade or 

 scapula, is broad, affording a large surface for the attachment of 



FIG. 322. Skeleton of Babbit, Lepus cuniculus x |. In sitting position. 



muscles; and that its surface is still further increased by the 

 presence of a sharp vertical ridge rising up along its middle line 

 (Fig. 322). To the end of this spine, as it is called, the 





