XIV.] 



GENERAL CHARACTERS. 



247 



prascapula of Parker, and its edge constitutes the anterior 

 border (cb) of the scapula ; another (//) projects backwards, 

 constituting \hepostscapula, and its edge is the posterior border 

 (gb) ; a third projects outwards, constituting the mesoscapula 

 of Parker, called more commonly the spine (s). The first- 

 named border (cb) terminates below by joining the coracoid, 

 and hence, to avoid the inconvenience of a term which is 

 only expressive when the bone is in a particular position, it 



.-' 



FIG. 76. Right scapula of Dog (Cam's familiaris), \. pf postscapular fossa ; aj 

 presMpuI.tr fossa ; gb glcnoid or posterior border ; cb coracoid or anterior border : 

 s spine ; a acromion ; gc glcnoid cavity ; c coracoid ; ess indicates the position of 

 the coraco-sc.ipular suture, obliterated in adult animals by the complete ankylosis 

 of the two bones ; si suprascapular border. 



may be called coracoid border ; the second (gb) joins the 

 prominent margin of the glenoid fossa, and may, for the 

 same reason, be called glenoid border ; the third (s) has a 

 free end, usually more or less prolonged into a curved, 

 flattened process, called the acromion (a). 



The flat or concave surfaces or fossae between these pro- 

 jecting lamellae are (i) the prescapular or anterior fossa 



