OF WESTEKN NOKTH AMEBIC A. 119 



Kange of Miocene genera — Continued. 





Lower. 



Middle. 



Upper. 



Lower Rose- 

 bud. 



Upper Rose- 

 bud. 



M 



03 



,Q 



<v 



"Republican 

 River." 



RODENTi A— continued. ' 

 Mylagaulidae 













Mvlaeraulns 



2 

 1 

 1 



4 



2 

 1 



Ceratogaulus 





Mesogaulus 1 

















Entoptychus 



2 



2 





1 







? Thomornvs ' 





X 



Muridse 







? Hesnftrnrnvs C=Pp,romvsnns^ 



1 





Anlnrlontiidpp. 1 







Meniscomys 

 Heteromyidse 





Heteromyid indet 



X 



Leporidee 





Lepus 



1 



1 



X 



1 



X 



Panolax 



EDENTATA. 



Megalonycliid3G ; 

 Gen. innom 







? 



PROBOSCIDEA. 



E lephanti d36 







Trilophodon (=Goinphotherinni) 



2 



2 



3 



PERIS SOD ACT YL A. 



Rh inoce ro t i d 86 







Dicerathcrium 



2 



? 



1 

 4 

 1 



3 

 2 



1 

 1 

 1 



Csenopus 



Aptielops 





? 



Teleoceras 





Peraceras 

















Tapiravus 





X 









Anchitherium 



X 





1 



2 

 5 

 7 



1 

 1 



2 

 12 

 12 



X 



3 

 6 





Hypohippus 





Parahippus 



3 1 3 



Merychippus 



Protohippus (incl. Pliohippus) 



1 



Neohipparion 



1 





Chalice theriidae 









Moropus 



1 



X 



X 



ARTIODACTYLA. 



Elotheriidae (= Entelodontidse) 



Elotherium (= Entelodon) ; 



Dinohyus 



? 



1 



Dicotylidae (= Tagassuidae) 



Desmathyus 



1 



1 





1 



1 



Prosthennops 



Hesperhys 







1 



Oreodontidse (= Agriochoeridae) 







Eporeodon 



X 



4 



1 



3 





1 



2 

 5 

 2 

 2 

 1 



4 



3 

 1 



? 



1 



X 

 ? 



Mesoreodon 



Phenacoccelus 



3 



Merycoides 



Merychyus 



Ticholeptus (incl. Poatrephes) 



Promerycochoerus 



5 







2 



Pronomotheriuni 







3 







