248 MICROTUS. 



Subgenus C. Pedomys. 



600. Microtus austerus (Le Conte). 



Arvicola austerus! Le Conte, Proc. Acad. Nat. Scien. Phil., 1853, 



p. 405. 

 Arvicola {Pedomys) cinnamomea Baird, N. Am. Mamm., 1857, 



p. 541. 

 fHypudceus ochrogaster Wagn., Schreb. Saugth., Suppl., iii, 1843, 



p. 592. 

 Microtus austerus Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 

 1901, p. 196, fig. 40. Zool. Ser. 

 Prairie Me.\dow Vole. 



Type locality. Racine, Racine County, Wisconsin. 

 Geogr. Distr. Mississippi Valley, from southern Wisconsin to 

 southern Missouri and Fort Reno, Oklahoma; west to eastern Kansas 

 and Nebraska. 



601. Microtus ludovicianus Bailey. 



Microtus ludovicianus Bailey, N. Am. Faun., No. 17, 1900, p. 74. 



Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 197. 



Zool. Ser. 

 Louisi.WA Meadow Vole. 



Type locality. Iowa, Calcasieu Parish, Lotiisiana. 

 Geogr. Distr. Coast prairie of southwestern Louisiana. 



602. Microtus haydeni (Baird). 



Arvicola haydenii Baird, N. Am. Mamm., 1857, p. 543. 



Microtus haydeni Elliot, Syn. N. Am. Mamm., F. C. M. Pub., ii> 

 1901, p. 197. Zodl. Ser. 

 Hayden's Meadow Vole. 



Type locality. Fort Pierre, Stanley County, South Dakota. 



Geogr. Distr. Fort Pierre and the Black Hills, South Dakota, to 

 the North Platte River, western Nebraska; eastern Colorado, Wyo- 

 ming, and southern Montana. 



603. Microtus minor (Merriam). 



Arvicola austerus! minor Merr., Amer. Nat., xxii, 1888, p. 508. 



Microtus minor EUiot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 

 1901, p. 197. Zool. Ser. 

 Least Upland Meadow Vole. 



Type locality. Bottineau at base of Ttirtle Mountains, Bottineau 

 County, North Dakota. 



Geogr. Distr. From Edmonton, Alberta, Canada, to northwestern 

 North Dakota, and southeastwardly to Minneapolis, Minnesota. 



