OF WESTERN NORTH AMERICA. 



107 



UPPER OLIGOCENE— ContiiuuMl. 



C ARNI VO R A (FI S S IPED I A ) -Con t i luied . 

 Canid^— Continued. 



Mesocyon drommondanus Douglass. 

 Mesocyon brachyops Merriam. . . . 

 Temnocyon altigenis Cope. ... , . . . 



Temnocyon wallovianus Cope 



Temnocyon ferox Eyermann. 



Philotrox condoni Merriam 



Enhydrocyon stenocephalus Cope... 



Enhydrocyon basilatus Cope 



Enhydrocyon sectorius (Cope) 



MUSTELID^. 



Oligobunis crassivultusa (Cope) 

 Parictis prirasevus Scott 



Felid^. 



Dinictis bombifrons Adams .... 



Dinictis Cyclops Cope 



Nimravus gomphodus Cope 



Nimravus confertus Cope 



Nimravus debilis (Cope) 



Pogonodon platycopis (Cope) .. . 



Pogonodon brachyops Cope 



Hoplophoneus davisi (Merriam). 

 Hoplophoneus cerebralis Cope. . . 

 Hoplophoneus insolens Adams.. 

 Eusmilus dakotensis Hatcher . . . 



INSECTIVORA. 



TALPIDili. 



Proscalops miocaenus Matthew 



RODENTIA. 



SCIURID^. 



Prosciurus wortmani (Cope) . . 

 Prosciurus ballovianus (Cope) 



Castorid^. 



Steneoflber nebrascensis (Leidy) . , 



Steneoflber peninsulatus Cope 



Steneoflber gradatus Cope 



Steneoflber complexus Douglass i-. 

 Steneoflber hesperus Douglass 



Geomyid^. 



Entoptychus cavifrons Cope 



Entoptychus planifrons Cope. . . 



Entoptychus minor Cope 



Entoptychus crassiramis Cope. . 

 Entoptychus lambdoideus Cope. 

 Entoptychus sperryi Sinclair... 

 Entoptychus rostratus Sinclair. 



Pleurolicus sulcifrons Cope 



Pleurolicus leptophrys Cope 



Pleurolicus diplophysus Cope. . . 



Aplodontiid^.. 



Allomys nitens Marsh 



Allomys hippodus (Cope) 



Allomys multiplicatus (Cope) 



Allomys liolophus (Cope) 



.\llomys cavatus (Cope) 



Mylagaulodon angulatus Sinclair. 



MURID^, 



Paclculus c locklngtonianus (Cope) 



Paciculus insolitus Cope 



Peromyscus nematodon (Cope) 



Peromyscus parvus Sinclair 



a. b. c. 



a See Matthew, Bull. Am. Mus. Nat. Hist., 1907, p. 

 b Madison Valley, Montana, tProtoceras zone, 

 c Related to Dipodidae auct. Scott. 



}, for position of this genus. 



