MICROTUS. 235 



Arvicola hirsntns Emmons, Kept. Quad. Mass., 1840, p. 60. 

 Arvicola albomfescens! P^mmons, Rept. Quad. Mass., 1840, pp. 



60-6 1. 

 Arvicola fitlva Aud. & Bachm., Proc. Acad. Nat. Scien. Phil., 1841, 



p. 96. 

 Arvicola nasuta Aud. & Bachm., Proc. Acad. Nat. Scien. Phil., 



1841, pp. 96-97. 



Arvicola rufescens DeKay, Zool. N. Y., Mamm., i, 1842, p. 85. 

 Arvicola oneida DeKay, Zool. N. Y., Mamm., i, 1842, pp. 88-89. 

 Arvicola dekayi Aud. & Bachm., Quad. N. Am., in, 1854, pp. 287- 



288. 

 Arvicola riparia var. longipilis Baird, N. Am. Mamm., 1857, p. 



524- 



Arvicola rufidorsum Baird, N. Am. Mamm., 1857, p. 526. 

 Microtns pennsylvanicus Elliot, Syn. N. Am. Mamm., F. C. M. 



Pub., n, 1901, p. 179, fig. 38. Zool. Ser. 

 PENNSYLVANIA MEADOW VOLE. 



Type locality. Pennsylvania (meadows below Philadelphia). 

 Geogr. Distr. Eastern United States westward to the Dakotas 

 and Nebraska. 



a. J\rtcTotus pennsylvanicus nigi-anx Rhoads. 



Microtus pennsylvanicus nigrans Rhoads, Proc. Acad. Nat. Scien. 

 Phil., 1897, p. 307. Elliot, Syn. N. Am. Mamm., F. C. M. 

 Pub., n, 1901, p. 180. Zool. Ser. 

 ALBEMARLE MEADOW VOLE. 



Type locality. Currituck, Currituck County, North Carolina. 

 Geogr. Distr. Coast region of southern Virginia and northern 

 North Carolina. 



/;. Microtus, pennsylvanicus ticnd i,-n x Bangs. 



Microtus pennsylvanicus acadicus Bangs, Amer. Nat., xxxi, 1897, 

 p. 239. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., n, 1901, 

 p. 180. Zool. Ser. 

 ACADIAN VOLE. 



Type locality. Digby, Nova Scotia. 



Geogr. Distr. Nova Scotia and Prince Edward Island. 



c. Microtux pennsylvanicus slutttu-i'ki Howe. 



Microtus pennsylvanicus shattucki Howe, Proc. Portl. Soc. Nat. 



Hist., n, Pt. 6, 1901, p. 201, pi. v. 

 PENOBSCOT FIELD VOLE. 



Type locality. Tumble Down Dick Island, near Long Island, Pen- 

 obscot Bay, Maine. 



