62 F. B. Loomis — -Rhinocerotldm of the Loiver Miocene. 



02 



1 



B 



« 





Protoconule 

 and hypocone 

 very close 



Protoconule 

 and metacone 

 swollen 









02 

 U 

 CD 



O 



2 



o 

 ?H 



'o 



Internal cingulum 



incomplete 

 Crochet incipient 

 No crista 



Internal cingulum 



a mere trace 

 Crochet incipient 

 Crista weak 



Internal cingulum 



complete 

 Crochet ? 

 No crista 



Internal cingulum 



complete 

 2 crochets 

 2 cristas 



Internal cingulum 

 nearly complete 

 Crochet moderate 

 No crista 



Internal cingulum 



a mere trace 

 Crochet strong 

 Crista weak 



02 



o 



1 



O 



g 

 <» 



Ph 



Internal cingulum 



complete 

 No crochet 

 No crista 



Internal cingulum 



a mere trace 

 Crochet incipient 

 No crista 







Internal cingulum 



complete 

 No crochet 

 No crista 





Length & 



breadth of 



molar 2 



s 



00 



to 



X 



© 



© 



CO 

 X 



OO 





o 



X 



CO 



X 



o 



00 

 X 











© 



T-H 





Breadth* 

 of skull 



g 



s 



© 



CO 



i - 





w o 











00 





CD 



fcC 



John Day 



John Day 



John Day 



a 

 ft 



o 



1-3 



o 



02 



Pi 

 o 



CO 



Fh 



in 

 h4 



Name 



; 



: 



8 





g 



3 



8 



O 



a* 



