Mylodon liarlani,from Rock Creek, Texas. 363 



Dimensions. 



Height from rim of glenoid fossa (estimated) 330 mm 



Ant.-post. expanse (estimated) 370 



Length of spine " 300 



" " spinous ridge . . 190 



Glenoid fossa, length 114 



width 73 



Prespinous foramen, height 22 - 5 



width 11 



Fig. 11. 



Fig. 11. Humeri of Mylodon harlani. Anterior aspect. One-fourth nat. 

 size, a, of the adult, No. 10265. b, of the juvenile, No. 10271. dr, del- 

 toid ridge ; gt, great trochanter ; It, lesser trochanter ; p, pronator plate ; re, 

 radial condyle ; ue, ulnar condyle. 



Fore Limb. ■ 

 Humerus. — We were fortunate in securing an almost perfect 

 right humerus which articulates perfectly with the scapula No. 



