608 U. S. NATIONAL MUSEUM BULLETIN 205 



about 18 miles northeast of Mount Constantine and Klutlan Glacier; and about 

 45 miles northwest of northwest arm of Kluane Lake, Canada. Range. — Known 

 from type locality, but singing mice are reported from region west of Kluane 

 Lake, Yukon. 



Genus PEDOMYS ■ Baird 

 1858. Pedomys Baird, Mammals, in Rep. Expl. Surv. Railr. to Pacific, vol. 8, 

 pt. 1 (Washington, 1857), p. 517, July 14, 1858. (Type, Arvicola austerus 

 Le Conte =Hypudaeus ochrogaster Wagner.) 



Pedomys ochrogaster ochrogaster (Wagner) * 



1842. Hypudaeus ochrogaster Wagner, in Schreber, Die Saugthiere . . • , 



Suppl., vol. 3, p. 592. 

 1853. Arvicola austerus Le Contef , Proc. Acad. Nat. Sci. Philadelphia, vol. 6, 



p. 405. (Racine, Racine County, Wis.) 

 1858. Arvicola (Pedomys) cinnamonea Bairdf, Mammals, in Rep. Expl. Surv. 



Railr. to Pacific, vol. 8, pt. 1 (Washington, 1857), p. 541, July 14, 1858. 



(Pembina, Minn. = Pembina County, N. Dak.) 

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



p. 597, Nov. 29, 1884. 

 1898. Micro tus (Pedomys) ochrogaster J. A. Allen, Bull. Amer. Mus. Nat. 



Hist., vol. 10, p. 459, Nov. 10, 1898. 



1941. Pedomys ochrogaster Ellerman, The families and genera of living 

 rodents, vol. 2, p. 620, Mar. 21, 1941. 



Type Locality. — America. [Restricted to New Harmony, Posey County, Ind., 

 by Bole and Moulthrop, Sci. Publ. Cleveland Mus. Nat. Hist., vol. 5, No. 6, p. 157, 

 Sept. 11, 1942.] Range. — From extreme southwestern Ohio, southeastern Indi- 

 ana, and northwestern Kentucky, westward through Illinois to western Iowa and 

 eastern Kansas (Bole and Moulthrop, op. cit., p. 158) ; northward to southwestern 

 Michigan (Burt, Mammals of Michigan, p. 220, 1946), southern Wisconsin, and 

 southeastern Minnesota (Swanson, Minnesota Dept. Conserv. Techn. Bull. 2, 

 p. 92, 1945) ; and southward to Reelfoot Lake and Clarksville in northern 

 Tennessee (R. Kellogg, Proc. U. S. Nat. Mus., vol. 86, p. 285, Feb. 14, 1939). 



Pedomys ochrogaster ohionensis (Bole and Moulthrop)* 



1942. Microtus ochrogaster ohionensis Bole and Moulthrop, Sci. Publ. Cleve- 

 land Mus. Nat. Hist., vol. 5, No. 6, p. 155, Sept. 11, 1942. 



Type Locality. — Symmes Creek, 2 miles north of Chesapeake, Lawrence 

 County, Ohio. Range. — Central southern and southwestern Ohio, north to cen- 

 tral western Ohio (Shelby County), and in less typical form to central eastern 

 Indiana (Jay County) . Recorded also from Morehead, Rowan County, eastern 

 Kentucky (Barbour, Journ. Mamm., vol. 33, No. 3, p. 399, Aug. 19, 1952). 



40 Regarded as a valid genus by Ellerman, The families and genera of living rodents, vol. 2, 

 p. 620, Mar. 21, 1941. Subsequently regarded as a valid subgenus of Pitymys by Ellerman, 

 op. cit., vol. 3, pt. 1, pp. Ill, 130, March 1949. See also Ellerman and Morrison-Scott, Check- 

 list of Palaearctic and Indian mammals 1758 to 1946, Publ. Brit. Mus. (Nat. Hist.), p. 681, 

 Nov. 19, 1951. 



