PHENACOMYS. 227 



Mountain Vole. 



Type locality. Salmon River Mountains, near head of Timber 

 Creek, Idaho. Altitude, 10,500 feet. 



Geogr. Disir. Alberta, British Columbia, Canada, and western 

 United States to southern central Oregon, central Idaho, and southern 

 Wyoming. 



537. Phenacomys olympicus Elliot. 



Phenacomys olympicus Elliot, Pub. Field Columb. Mus., i, 1899, 

 p. 225. Zool. Ser. Id. Syn. X. Am. Mamm., F. C. M. Pub., 

 II, 1901, p. 168. Zool. Ser. 

 Microtus pumilits Elliot, Pub. Field Columb. Mus., 1899, p. 226, 

 juv. Zool. Ser. 

 Olympic Mountain Vole. 



Type locality. Happy Lake, Olympic Mountains, Clallam County, 

 Washington. Altitude, 6,500 feet. 



Geogr. Distr. Known only from the type locality and Boulder 

 Lake, Olympic Mountains, Washington. 



538. Phenacomys preblii Merriam. 



Plienaconiys preblci Merr., Proc. Biol. Soc. Wash., xi, 1S97, p. 45. 

 Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 168. 

 Zool. Ser. 

 Preble's Vole. 



Type locality. Twin Peak near Long's Peak, Boulder County, 

 Colorado. Altitude, 9,000 feet. 



Geogr. Distr. Known only from the type locality. 



539. Phenacomys celatus Merriam. 



Phenacomys celatus Merr., N. Am. Faun., No. 2, 1889, p. :i,2>- 

 Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 169. 

 Zool. Ser. 

 Phenacomys latimanns Merr., N. Am. Faun., No. 2, 1889, p. 34. 

 Phejiacomys ungava Merr., N. Am. Faun., No. 2, 1889, p. 35. 

 Secretive Vqle. 



Type locality. Fort Chimo, Ungava, Labrador. 

 Geogr. Distr. Northwestern Labrador to Peninsula Harbor, south- 

 eastern shore of Lake Superior. 



<(. I'lifUKvomyH ci'ldtiis cTdssuH Bangs. 



Phenacomys celatus crassus Bangs, Proc. New Eng. Zool. Club, 

 1900, p. 39. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 

 II, 1901, Append., p. 430. Zool. Ser. 

 Stupid Vole. 



Type locality. Rigoulette, Hamilton Inlet, Labrador. 

 Geogr. Distr. Labrador. Range unknown. 



