NORTH AMERICAN RECENT MAMMALS. 423 



t*Lagurus pallidus (Merriam). 



1888. Arvicola {Chilotus) pallidus Merriam, Amer. Nat., vol. 



22, p. 704. August, 1888. 

 1912. L[agurus] pallidus, Thomas, Ann. and Mag. Nat, Hist., 



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

 Type Locality. — Fort Buford, Williams County, North Dakota. 

 Range. — Transition prairies of western North Dakota, Montana, 



and as far north as Calgary, Alberta. 



t*Lagurus pauperrimus (Cooper). 



1868. Arvicola pauperrima Cooper, Amer. Nat., vol. 2, p. 535. 



December, 1868. 

 1891. Arvicola pauperrimus Merriam, North Amer. Fauna, No. 



5, p. 64. July 30, 1891. 

 1912. Liagurus] pauperrimus Thomas, Ann. and Mag. Nat. 



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

 Type Locality, — Plains of the Columbia, near the Snake 



River, southwestern Washington. 

 Range. — Eastern Washington and Oregon, central Idaho, and 



north slope of the Uinta Mountains, Utah, in transition zone. 



Genus PITYMYS McMurtrie.^ (Pine-mice.) 



1831, Pihjmijs McMurtrie, Cuvier's Anim. Kingdom, Amer. 

 ed., vol. 1, p. 434. Type, Psammomys pinetorum LeConte, 



*Pitymys pinetorum pinetorum (LeConte). 



1830. Psammomys pinetorum LeConte, Ann, Lye, Nat. Hist. 

 New York, vol. 3, p. 133. 



1885, Arvicola pinetorum True, Proc. U. S. Nat. Mus,, vol. 7 

 (1884), p. 596. 1885. (Part.) 



1912. Pitymys pinetorum pinetorum Miller, North Amer. Land 

 Mamm. 1911, p. 228. December 31, 1912. 



Type Locality. — ^Pine forests of Georgia, probably on the Le- 

 Conte plantation, near Riceboro, Liberty County. 



Range. — Georgia and the Carolinas. 



*Pitymys pinetorum scalopsoides (Audubon and Bachman). 



1841. Arvicola scalopsoides Audubon and Bachman, Proc. 

 Acad. Nat. Sci. Philadelphia, vol. 1, p. 97. October, 1841. 



1896. Microtus pinetorum scalopsoides Batchelder, Proc. Bos- 

 ton Soc. Nat. Hist., vol, 27, p, 187. October, 1896, 



1912. Pitymys pinetorum scalopsoides Miller, North Amer. Land 

 Mamm, 1911, p. 229. December 31, 1912. 



Type Locality, — Long Island, New York. 



Range, — Southern New York and westward to Illinois, south- 

 ward along the coast, blending into true pinetorum. 



• Revised by Bailey, North Amer. Fauna, No. 17, pp. 62-67, June 6, 1900. 



