530 



MAMMALIAN ANATOMY 



The subscapularis muscle arises from the subscapular fossa and 

 from tendinous bands attached to the ridges. The concavity of the 

 subscapular fossa is more marked at the lower anterior part, which is 

 free from muscular attachments and is pierced by one or more vascular 



foramina. 



FIG. 419. 



Vertebral Harder. 



RHOMBOIDEUS CAPITIS. 



BHOMBOIDEUS MAJOR. 



Axillary Border. 



Nutrient Foramen. 

 Scapular Head o/_ 



TRICEPS. 



Head.~m^m 



Glenoid Cavity. 



LEFT SCAPULA, INNER ASPECT. 



The Spine of the scapula is not a pointed spine, but a high ridge 

 produced by a thin bony plate attached by one edge along the middle 

 line of the external aspect. It does not stand out at right angles to 

 the body of the bone, but slopes downward and backward, so that its 



