DINOCERATA, 

 Left Scapula of Dinoceras mirabile, Marsh. 



One-fourth Natural Size. Page 



Fig. 1. — Scapula; exterior view, 87 



ch — Coracoid border, 

 c — Ooracoid process. 

 ge — Glenoid cavity. 

 gh — Glenoid border. 

 ss — Sujjrascapular border. 



Fio. 2. — llio same; inner view, 87 



Fig. 3. — Tlie same; inferior view, . 87 



a — Acromion. 

 s — Spine. 



