Vol. 5] 



Merriam-Sinclair. — Tertiary Faunas. 



191 



forms from the Upper John Day. The determinations are based 

 on material in the University of California collection. 



Nothpcyon lemur (Cope). 

 Temnoeyon altigenis Cope. 

 Mesocyon coryphaeus (Cope). 

 Mesocyon brachyops Merriam, J. C. 

 Pogonodon davisi Merriam, J. C. 

 Entoptychus planifrons Cope. 

 Entoptychus cavifrons Cope. 

 Entoptychus rostratus Sinclair. 

 Entoptychus sperryi Sinclair. 

 Lepus enniqianus Cope. 



Rhinoceros (genera and species not yet determined). 



Mesofi ipp us eq u iceps ( Cope ) . 



Mes'ohippus acutidens Sinclair. 



Protapirus rohustus Sinclair. 



Elotherium call insi Sinclair. 



Elothcrium sp. 



Agriochoerus ferox (Cope). 



Eporcodon sp. 



Promerycochoerus superbus (Cope). 

 Promerycochoerus chelydra (?) (Cope). 

 Hy pert vag id us sp. 

 Stylemys, sp. 



The types of the following species not represented by material 

 in the University of California collection are known with more 

 or less certainty to have been fonnd in the Upper John Day beds. 



Temnoeyon ferox Eyerman 43 . 



Mesohippus pruestans (Cope)" 



Eporeodon trigonocephaly (Cope) 4 '"'. 



Eporcodon major longifrons (Cope) 40 . 



Promerycochoerus macrostegus (Cope) 4; . 



Promerycochoerus Jeidyi (Bettany) 4 " 



The gravels and tuffs at the top of the Upper John Day which 

 have been referred to on a preceding page as possibly constitut- 

 ing a separate fannal horizon have afforded the following forms: 



Mylagaulodon angulatus Sinclair. 

 Protapirus sp. 



Miolabis (Paratylopus) cameloides (Wortman). 



43 Princeton University collection. Upper John Day, Turtle Cove. 

 Communicated by Professor W. B. Scott. 



44 American Museum collection. Buff-colored matrix. 



45 American Museum collection. North Fork of the John Day River. 

 The matrix is the characteristic buff -colored tuff of the upper division. 



w Same locality as E. trigonocephalus. 



41 American Museum collection. Bridge Creek. The horizon is probably 

 the Promerycochoerus beds. 



48 Bridge Creek. Probably from the Promerycochoerus beds. 



