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



235 



the one described above by Mr. Miller, and is considered by him 

 as representing the same species. 



Occurrence: Thousand Creek Beds; localities 1063 and 1100, 

 Thousand Creek, Humboldt County, Nevada. 



Insectivora 



SCAPANUS(?), sp. 



From two localities in the Thousand Creek region remains 

 representing moles have been obtained. The only specimens 

 recognized thus far consist of the humeri (figs. 4a and 4b), which 

 do not seem to furnish characters clearly 

 distinguishing them from the existing 

 moles of the West Coast region. It is 

 not improbable that more material would 

 show peculiar generic characteristics in 

 the Thousand Creek forms. The pres- 

 ence of moles at two localities in the 

 Thousand Creek Beds seems to indicate 

 a soil more humid at these localities than 

 the average soil in this region at the 

 present time. This may, however, be due to purely local con- 

 ditions of humidity, such as obtain at the present time in 

 restricted areas of the Great Basin region. 



Occurrence: Thousand Creek Beds; localities 1103 and 1097, 

 Thousand Creek, Humboldt County, Nevada. 



Figs. 4a and 4b. Scap- 

 anus(^), sp. Right hu- 

 merus. No. 19409, nat- 

 ural size. Thousand Creek 

 Beds, Thousand Creek, 

 Nevada. Fig. 4a, anterior 

 view; fig. 4b, posterior 

 view. 



Carnivora 



CANIDAE 



TEPHROCYON KELLOGGI, n. sp. 



Type specimen a lower jaw with dentition, no. 11562, Univ. 

 Calif. Col. Vert. Palae. From the Virgin Valley formation at 

 Virgin Valley, Humboldt County, Nevada. The species is 

 named in honor of Miss Louise Kellogg, who discovered the type 

 specimen. 



The genus Tephroeyon is represented by several specimens 



