100 



BULLETIN OF THE MUSEUM OF COMPARATIVE ZOOLOGY. 



protocone isolated, but the hypocone, as in all known Ckalicotherioids, is united 

 with the nietacone by a low ridge (inetaloph). 



/»• r 3 r 



Figure 18. — Superior premolars and first molar of Chalicotke7'ium elatum X f. 



The available figures and descriptions are so imperfect that the relation- 

 ships of this species to those of the Old World cannot be definitely made out. 

 It is, however, decidedly smaller than that which occurs at Pikermi (Ancy- 

 lotherium). 



Measurements. 



m. m. 



Third premolar, antero-posterior diameter, .024 ; transverse, .025. 



Fourth " " " .025 ; " .028. 



First molar, " " .036 ; " .033. 



