Vol. 6] Merriam: Virgin Valley and Thousand Creek. 



211 



Fauna op Thousand Creek Beds 



Eeptilia. 



Ophidian remains. 



Aves. 



Branta, sp. 



Insectivora. 



Scapanus(l) , sp. 



Carnivora. 



Tephrocyon, near kelloggi, n. sp. 

 Canis( ?) davisi, n. sp. 

 Ursus(l), sp. 

 Mustela furlongi, n. sp. 

 Mustelid, indet. 

 Felis, sp. a. 

 Felis, sp. b. 



Rodentia. 



Aretomys nevadensis Kellogg. 

 Arctomys minor Kellogg. 

 Citellus, sp. 



Aplodontia alexandrae Furlong. 

 Mylagaulus monodon Cope. 

 Dipoides, sp. 



Eucastor lecemtei (Merriam) ?. 

 Entoptychus minimus Kellogg. 

 Peromyscus antiquus Kellogg. 

 Peromyscus ( ?) , sp. 

 Diprioiwmys parvus Kellogg. 

 Diprionomys magnus Kellogg. 

 Lepus vetus Kellogg. 



Ungulata. 



Pliohippus( ?), sj). 



Equus( '?), sp. 



Teleoceras( ?), sp. 



Mastodon (Tetrdbelodon '?, sp.) 



Pliauchenia(l) , sp. 



Camel, compare Camelus americanus Wortman. 

 Prosthennops ('?), sp. 

 Large suilline form. 

 Sphenophalos nevadanus Merriam. 

 Ilingoceros alexandrae Merriam. 

 Ilingoceros schisoceras, n. sp. 



In the collections made in this region thus far no evidence 

 has appeared which indicates definitely a distinct zonal arrange- 



