HOLLAND AND PETERSON: OSTEOLOGY OF THE CHALICOTHEROIDEA. ool 
The Scapula. 
(Plate LXIV.) 
In the material obtained by the Carnegie Museum there are a number of well- 
preserved scapule, and numerous fragments. Of the latter we shall take no 
account in the present paper. The scapule which have been cataloged, and 
which will be referred to in the succeeding paragraphs are the following: 
No. 1604 (M. elatus). 
This is a left scapula of large size, which 
was found associated with the other remains, 
which have been used in restoring the mounted 
skeleton. The right scapula in the restoration 
is artificial. 
No. 1700 (M. peterson). 
This is a finely preserved left scapula 
employed in mounting the fore limb of M. 
petersoni, a drawing of which is herewith given 
(Fig. 76). 
No. 1706B (M. elatus). 
A large left scapula, undoubtedly referable 
to M. elatus, found associated with a pelvis and 
hind limbs (No. 1706) and portions of the hind 
feet (No. 17064). 
No. 1712 (M. peterson). 
A left scapula of small size, referred pro- 
Fic. 76. Left scapula of M. petersoni (No. 
visionally to M. petersoni. 1700). xX. 
No. 1766. 
A very small right scapula undoubtedly representing a very immature indi- 
vidual (species indeterminate). 
No. 1770 (M. elatus). 
A right scapula of a large individual of M. elatus. The specimen is slightly 
distorted through crushing. 
No. 1771 (M. elatus). 
A right scapula of large size from Quarry No. 2, collected by W. H. Utterback. 
