AESINOTTIIEEIUM. 
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the line marking the base of the spine, a little in advance of which there is a 
roughened ridge. In some specimens there are two or three rough parallel ridges 
on the inner face of the bone, apparently corresponding with the ribs, or with the 
intervals between the ribs, against which the bone rests. 
The scapula of Elephas differs from that just described in the following points : — 
(1) the extreme narrowness of the prescapular fossa ; (2) the presence of a 
Text-fig. 15. 
Left scapula of ArsinoitJierium zitteli : A, outer face ; B, articulation. 
a., acromion ; c., coracoid process ; c.h., coracoid border ; g.h., glenoid border ; g.c., glenoid cavity ; s., spine ; 
ss.h., suprascapular border. \ nat. size. 
backwardly projecting process on the middle of the spine ; (3) the sharp angulation 
of the suprascapular border above the origin of the spine, the portion of the border 
above the prescapular fossa being inclined to the portion above the postscapular 
at an angle of about 100 degrees ; (4) the totally different form of the coracoid 
border and coracoid process. 
In the scapula of Uintatherium the postero-superior angle is not produced 
F 
