422 BULLETIN 128, UNITED STATES NATIONAL MUSEUM. 



t*Microtus bairdi Merriam. 



1897. Microtus hairdi Merriam, Proc. Biol. Soc. Washington, 



vol. 11, p. 74. April 21, 1897. 

 Type Locality. — Glacier Peak, Crater Lake, Klamath County, 



Oregon. Altitude, 7,800 feet. 

 Range. — Known only from the type locality, but probably 



restricted to the Hudsonian zone of the higher Cascades. 



Genus LAGURUS Gloger.^ 



1841. Lagurus Gloger, Gemeinn. Hand- u. Hilfsbuch d. Na- 

 turgesch., vol. 1, p. 97. Type, Lagurus migratorius Gloger = 

 Mus lagurus Pallas. 



Subgenus LEMMISCUS Thomas. 



1912. Lemmiscus Thomas, Ann. and Mag. Nat. Hist., ser. 8, 

 vol. 9, p. 401. April, 1912. Type, Arvicola curtata Cope. 



*Lagurus curtatus curtatus (Cope). 



1868. Arvicola curtata Cope, Proc. Acad. Nat. Sci. Philadelphia, 



p. 2. 

 1885. Arvicola austerus curtatus True, Proc. U. S. Nat. Mus., 

 vol. 7 (1884), p. 597. 1885. (Part.) 



1912. Lagurus curtatus Thomas, Ann. and Mag. Nat. Hist., ser. 

 8, vol. 9, p. 401. April, 1912. 



Type Locality. — Pigeon Spring, Mount Magruder, Nevada, 

 near boundary between Inyo County, California, and Esmer- 

 alda County, Nevada. 



Range, — Transition zone of the low mountain ranges in western 

 Nevada and eastern California, east of the Sierra Nevada and 

 north of Death Valley. 



*Lagurus curtatus artemisiae (Anthony). 



1913. Microtus (Lagurus) curtatus artemisisc Anthony, Bull. 

 Amer. Mus. Nat. Hist., vol. 32, p. 14. March 7, 1913. 



Type Locality. — Ironside, Malheur County, Oregon. Altitude, 

 4,000 feet. 



Lagurus intermedius (Taylor). 



1911. Microtus {Lagurus) intermedius Taylor, Univ. Calif. 

 Publ. Zool., vol. 7, p. 253. June 24, 1911. 



1912. Lagurus intermedius Miller, North Amer. Land Mamm. 

 1911, p. 228. December 31, 1912. 



Type Locality. — Head of Big Creek, Pine Forest Mountains, 

 Humboldt County, Nevada. Altitude, 8,000 feet. 



» Revised by Bailey, North Amer. Fauna, No. 17, pp. 67-70, June 6, 1900. 



