PLEISTOCENE VERTEBRATES FROM CUMBERLAND CAVE 83 



view of observed dental differences it seems preferable to regard the 

 latter as a distinct form. 



MYLOHYUS EXORTIVUS Gidley »« 



Figures 46-48 

 The type of this species is from Cumberland Cave and consists of a 

 nearly complete lower jaw (fig. 46), U.S.N.M. no. 8876, containing the 



a-s 



1^. 





a « 



O 33 



a1 



5 I 



entire dentition of both rami (fig. 476) and five upper teeth, P^ to M^ 

 from the right side (fig. 47a). The original description given by 

 Gidley is as follows: 



About the size of or perhaps somewhat smaller than M. nasutus (Leidy), and 

 apparently diflFering from that species in (1) the modifications of the canines, 

 which seem to be relatively wider in cross-section and almost entirely lacking the 



» Gidley, 1920b, pp. 676-678. 



