384 



AV. D. MATTHEW THE CRETACEOUS-TERTIARY PROBLEM 



Puerco. Torrejon. 



Clark 

 Fork. 



MAMMALIA 



Order Miiltitiibereiilata (Triassic-Paleoceue) 

 Fam. PlajErianlaeida? 



"ycupla!/ianla.r" ajiicricanus Coi>e 



" molest us Cope 



SP 



PtUodus mcdkrnis Cope 



'* trorcsaartianns Cope 



PolpwastotJon iaovn.sis Coi>e 



'* atteniiatus Cope 



fissidens Cope 



Catopsalis foUatus Cope 



Order Ferae (siib-ord. Creodoiita) 



Fam. Miacidif (raleoceiie-Eoeeue) 



Didymictis haydenianus Cope 



" cf. leptomylus Cope 



Fam. Arctocyonidse (Paleocene-Lower Eoceue) 



Clwnodon corrugatus 



" fero.r 



f " protof/on Ujidcs 



Fam. Mesonychidje (Paleoeeiie-Eoeeue) 



Triisodon 7*/jr/rr//,*ft,st Coi)e 



" hcilpriuianus Cope 



" f/audrianus Cope 



Sarcothraustcs antiquus Cope 



Goniacodon lerisanus Cope 



Microchrnodon assurgcns Cope 



Dissacus sauntfniathus Wortiiiau 



" navajorJHs Cope 



Fam. Oxyclaeiiidje (Paleoceiie)' 



Oxyclwnus cuspidatus Cope 



" fiimplcx Cope 



Loxolophus hyattianus Cope 



" prisons Cope 



attoniatus O. & E 



Carcinodon fiUioUanus Cope 



Paradoxodon rutinivycrnniis Coixy 



Protogouodou pent ac us 



Chriacus prlvidens 



" truucatus 



" haldnini 



" schlosscrianus 



Tricentcs subtrigotnis 



" crasskoUidcns 



Deltatherium fuudamiuis 



Fam. OxyjpnidjTp (Upper Paleocene-Eoi'ene) 



Dipsalidirtis platypus indesc 



PahronU-tis or O.rynun. sp. indesc 



Oxywun a<iuidtiis sp. indesc 



Order Insectivora ( Paleo<-ene-Rei*ent ) 



Fam.? CentetidsT ( V PaleoctMie-Recent ) 



Pnlworyctes purrrensis Matthew 



Fam.?Pantolestid{p ( ? Paleocene-Eoceue) 



Pcntacodon inversus Cope 



• Sand Coulee beds, at base of true Eocene. 



' One doubtful species of Chriacus In the Lower Eocene. 



