R. 8. Lull—New Tertiary Artiodactyls. 121 



Eelative dimensions of an average Aletomeryx patella 

 and that of Anlilocapra follow : 



Aletomeryx Antilocapra 

 m. m. 



Length -0246 -0342 



Width -0158 -0237 



Thickness 0107 -0217 



Ratio 



1-35-1-39 



1-50 



2-02 



. 1-62 



Fig. 18. Left femur of Antilocapra. A, inner aspect; B, distal end, 

 posterior aspect. One-third natural size. 



Fig. 19. Left femur of Aletomeryx. A, inner aspect; B, anterior aspect; 

 C, distal end, posterior aspect. One-third natural size. 



Fig. 20. A, left tibia of Antilocapra; B, left tibia and proximal end 

 of fibula (/) of Aletomeryx, anterior aspect. One-third natural size. 



