R. 8. Lull — New Tertiary Artio dactyls. 



115 



Alet ornery x 

 m. 



Length -1058 



Width, vertebral end -0710zb 



Width, humeral end -0230 



Width, least -0125 



Index 1 : 067 



ntilocapr 



% 





m. 





Eatio 



•1990 





1-88 



•1177 





1-65 



•0426 





1-85 



0234 





1.86 



1. : 051 









Av. 



1-83 



Fig. 14. Scapula. A, Antilocapra; B, Aletomeryx. One-third natural 

 size. 



Fig. 15. Humerus. A, posterior aspect, Antilocapra; B, same, Aleto- 

 meryx; C, external aspect, Aletomeryx. One-third natural size. 



Humerus (fig. 15). — This bone again resembles that of 

 Antilocapra very closely, differing in the relative light- 

 ness of the lateral tuberosity in Aletomeryx and the 

 greater length of the coronoid and olecranon fossae which 

 extend higher on the humeral shaft. Other distinctions 



Am. Jour. Sci. — Fourth Series, Vol. L, No. 296. — August, 1920. 

 9 



