OF WESTERN NORTH AMERICA. 



93 



LOWER EOCENE— Continued. 

 PRIMATES— Continued. 



Anaptomorphid^. 



Anaptomorphus 

 Cope 



Anaptomorphus 

 Loomis 



homunculus 



minimus 



1. 



2. 



3. 



4. 







X 









X 



1 



Anaptomorphus spierianus Cope. X 



Anaptomorphus abboti Loomis X 



? Omomys (" Notharctus ") minutus I 



Loomis X 



Anaptomorphid gen. indesc X 



Cynodontomys latidens Cope ... I 

 Cynodontorays angulatus (Cope) \ 



MiCROSYOPIDiE.a 



X 



X 



Cynodontomys sp I X 



Microsyops scottianus Cope | X 



CARNIVORA (CREODONTA). 



MlACID^. 



Didymictis protenus (Cope) 



Didymictis leptomylus Cope 



Viverravus cf. dawkinsianus 



(Cope) 



Miacis sp 



Uintacyon massetericus (Cope) . 

 Vassacyon promicrodon (W. and 



M.)b •. 



Vulpavu scf . brevirostris(Cope) . 

 Vulpavus sp 





X 



X 





X 



X 





X 







X 







X 







X 







X 









X 



Didymictis altidens Cope X 



Didymictis leptomylus Cope X 



Viverravus dawkinsianus (Cope) X 



Miacis sp X 



Oodectes sp , x 



Vulpa^•us cana\ais (Cope) X 



Vulpavus brevirostris (Cope) x 



Arctocyonid^. 



Anacodon ursidens Cope. 



Palseonictis occidentalis Osborn 

 Ambloctonus sinosus Cope 



Pal^onictid.e (= 



! I I X i 1 



^Ambloctonid^). 



Oxygena lupina Cope 



Oxysena forcipata Cope. . 

 Oxy aena morsitans Cope . 



Sinopa viverrina (Cope) 



Sinopa strenua (Cope) 



Sinopa multicuspis (Cope) 



Sinopa hians (Cope) 



Sinopa opisthotoma Matthew. 



Pachyasna ossifraga Cope 



Pachyaena gigantea Osborn 



PachyaRna intermedia Wortman. 

 Hapalodectesleptognathus (Os- 

 born) d 



1 X II 



OXY^NID^. 







X 



X 







X 



X 









X 



Oxygena huerfanensis Osborn. 



Oxyaena sp 



Patriofelis tigrinus (Cope) . . . 

 Limnocyon sp 



Hy^nodontid^. 



? 



X 



X 



X 



? 



X 



X 



X 



X 





Sinopa sp 



Tritemnodon whitiae (Cope) 



Mesonychid^. 







X 



X 







X 









X 









X 





Pachyaena cf. gigantea 

 ITapalodectes sp. indesc. 



Palaeosinopa veterrima Matthew| 



Palaeictops cf. bicuspis. 



Hyopsodus miticulus (Cope) 



Hyopsodus lemoinianus Cope . . . 

 Hyopsodus powellianus Cope . . . 

 Hyopsodus laticuneus (Cope) . . . 

 Hyopsodus simplex Loomis 



INSECTIVORA. 



Pantolestid^. 



I I X I II Palaeosinopa didelphoides (Cope) 

 Leptictid^. 



I IX I! Palaeictops bicuspis (Cope) 



Hyopsodontid^. 



X I 



X 



Hyopsodus wortmani Osborn i X 



Hyopsodus browni Loomis X 



Hyopsodus jacksoni Loomis X 



? Hyopsodus minor Loomis X 



Hyopsodus cf. powellianus. 



Hyopsodus sp 



Incert.^: sedis. 



I X 11 ' ' Peratherium " comstocki Cope j X 



X 



Diacodon alticuspis Cope I I 



Diacodon celatus Cope 



Didelphodus absarokae Cope « . . . j | 



a ?=Mixodectidae (Insectivora). 



^jGen. nov. Type, Uintacyon promicrodon W. and M., IH99. Differs from Uintn < yon m broad hasin 

 heel of lower carnassial and other characters. 

 <■ Auct. r. B. Loomis in lit. 



d Gen.nov. Type, DUsacus levtognathus, Osborn and Wortman, Bull. .\in. Mus. Nat. Hist., vol. 4 

 p. 112, fig. 10. 

 e Probably Insectivore, auct. .7. L. Wortman. 



