XIV.] 



UNGULA TA. 



233 



when this is removed, as is almost always the case with 

 macerated bones, the upper border of the scapula is very- 

 straight. The acromion usually forms a distinct process, 

 but is quite absent in the Giraffe, which has the longest and 

 narrowest scapula of the group. 



Fig. 77. — Right scapula of Red Deer {Cervus elapJuis), \. ss partially ossified 

 suprascapular border ; pf postscapular fossa ; af anterior or prescapular fossa ; 

 a acromion ; c coracoid ; gc glenoid cavity. 



In the Horse the scapula is long and slender, the supra- 

 scapular border is rounded, and slowly and imperfectly 

 ossified. The spine is very sHghtly developed ; rather above 

 the middle its edge is thickened and somewhat turned back- 

 wards ; it gradually subsides at the lower extremity without 

 forming any acromial process. The coracoid is a prominent 

 rounded nodule. 



In the other Perissodactyles, and in the Pigs and Peccaris, 



