MICROTUS. 287 



Campicola Schulze, Schrift. Natur. Ver. Harz. Wernig., v, 1890, 



pp. 24-25. 

 Tetramerodon R.hosids, Proc. Acad. Nat. Scien. Phil., 1894, p. 282. 

 Atdacomys Rhoads, Amer. Nat., xxviii, 1894, p. 182, figs. 1-5. 

 Orthriomys Merr., Proc. Biol. Soc. Wash., xii, 1898, p. 106, 

 Herpetomys Merr., Proc. Biol. Soc. Wash., xii, 1898, p. 107. 



Subgenus A. Microtus. 



480. Microtus pennsylvanicus (Ord). 



Mus peiijisylvanica Ord, Guth. Geog., 2d Am. ed., 11., 1815, p. 292. 

 Mynomes pratensis Rafin., Amer. Month. Mag., 11, 181 7, p. 45. 

 Lemmus noveboracensis Rafin., Ann. Nat., 1820, p. 3. 

 Arvicola palustris Harl., Faun. Amer., 1825, pp. 136-138. 

 Arvicola riparius Ord, Jour. Acad. Nat. Scien. Phil., iv, Pt. 11, 



1825, pp. 305-306. 

 Arvicola hirsuUts Emmons, Rept. Quad. Mass., 1840, p. 60. 

 Arvicola albontfescens Emmons, Rept. Quad. Mass., 1840, pp. 



60-61. 

 Arvicola jnlva 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 De Kay, Nat. Hist. N. Y., Zool., i, 1842, p. 85. 

 Arvicola oueida De Kay, Nat. Hist. N. Y., Zool., i, 1842, pp. 88-89. 

 Arvicola dekayi Aud. & Bachm., Quad. N. Amer., in, 1854, pp. 



287-288. r 



Arvicola riparia var. longipilis Baird, N. Am. Mamm., 1857, p. 524. 

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

 Microtus pennsylvanicMS Elliot, Syn. N. Am. Mamm., F. C. M. 



Pub., II, 1901, p. 179, fig. 38. Zool. Ser. Id. Check-L. Mamm. 



N. Amer. Cont. & W. Indies, F. C. M. Pub., vi, 1905, p. 234. 



Zool. Ser. 

 Pennsylvania Meadow Vole. 



1. Adult c? Exch. Pico, Vermont. Am. Mus. Nat. Hist. 

 N. Y. W. W. Granger. 



2. Juv. c? Exch. Pico, Vermont. Am. Mus. Nat. Hist. 

 N. Y. W. W. Granger. 



.3. Adult r^ Exch. Hartland, Vermont. Am. Mus. Nat. Hist. 

 N. Y. C. L. Brownell. 

 4-6. Adult rf Exch. Nyack, New York. Am. Mus. Nat. Hist. 

 N. Y. C. L. Brownell. 



