612 U. S. NATIONAL MUSEUM BULLETIN 205 



Pitymys quasiater (Coues) * 



1874. Arvicola (Pitymys) pinetorum var. quasiater Coues, Proc. Acad. Nat. 



Sci. Philadelphia, vol. 26, p. 191, Dec. 15, 1874. 

 1884. Arvicola quasiater True, Proc. U. S. Nat. Mus., vol. 7 (App., Circ. 29), 



p. 596, Nov. 29, 1884. 

 1912. Pitymys quasiater Miller, U. S. Nat. Mus. Bull. 79, p. 229, Dec. 31, 



1912. 

 Type Locality. — Jalapa, Veracruz, Mexico. Range. — Central Veracruz and 

 eastern Puebla, on east slope of mountains (altitude, 4,000 to 5,000 feet). 

 Zonal range, Humid Tropical and lower edge of Lower Austral. Recorded also 

 at Apetsco, San Luis Potosi, Mexico (Dalquest, Occ. Pap. Mus. Zool. Louisiana 

 State Univ. No. 23, p. 11, July 10, 1950) . 



Genus LAGURUS " Gloger 

 1841. Lagurus Gloger, Gemeinniitziges Hand- und Hilfsbuch der Naturge- 

 schichte, vol. 1, p. 97. (Type, Lagurus migratorius Gloger=Ma5 lagurus 

 Pallas.) 



Subgenus LEMMISCUS « Thomas 



1912. Lemmiscus Thomas, Ann. Mag. Nat. Hist., ser. 8, vol. 9, p. 401, April 

 1912. (Type, Arvicola curtata Cope.) 



Lagurus curtains curtatus (Cope)f* 



1868. Arvicola curtata Cope, Proc. Acad. Nat. Sci. Philadelphia, vol. 20, p. 2. 

 1884. Arvicola austerus curtatus True, Proc. \J. S. Nat. Mus., vol. 7 (App., Circ. 



29) , p. 597, Nov. 29, 1884. (Part.) 

 1912. Lagurus (Lemmiscus) curtatus Thomas, Ann. Mag. Nat. Hist., ser. 8, 



vol. 9, p. 401, April 1912. 

 Type Locality. — Pigeon Spring, Mount Magruder, Esmeralda County, Nev., 

 near boundary between Inyo County, Calif., and Esmeralda County. Range. — 

 East-central border of California, in Mono and Inyo Counties; recorded from 

 Mono Mills near Mono Lake southeast to Inyo Mountains; vertical range, from 

 6,550 feet (west of Benton) up to 10,500 feet (Big Prospector Meadow, White 

 Mountains) ; zonal range, chiefly Transition (Grinnell, Univ. California Publ. 

 Zool., vol. 40, No. 2, p. 191, Sept. 26, 1933) ; and southwestern Nevada from 

 Pahute Mesa northwest to southern Washoe County (Hall, Mammals of Nevada, 

 p. 560, July 1, 1946) . 

 Lagurus curtatus pallidus (Merriam) f * 



1888. Arvicola (Chilotus) pallidus Merriam, Amer. Nat., vol. 22, p. 704, 



August 1888. 

 1912. L[agurus] pallidus Thomas, Ann. Mag. Nat. Hist., ser. 8, vol. 9, p. 401, 



April 1912. 

 1941. Lemmiscus curtatus pallidus Goldman, Proc. Biol. Soc. Washington, 

 vol. 54, p. 70, July 31, 1941. 



47 American forms revised by V. Bailey, North Amer. Fauna No. 17, pp. 67-70, June 6, 1900. 



48 Subgenus Lemmiscus raised to generic status by Davis, The Recent mammals of Idaho, 

 p. 325, Apr. 5, 1939, the genus Lagurus being considered as restricted to Old World forms. 

 See also Goldman, Proc. Biol. Soc. Washington, vol. 54, pp. 69-71, July 31, 1941. Regarded 

 as a valid subgenus by Ellerman, The families and genera of living rodents, vol. 2, p. 633, 

 Mar. 21, 1941, and by Dalquest, Univ. Kansas Publ. Mus. Nat. Hist., vol. 2, p. 359, Apr. 9, 1948. 



