236 MICROTUS. 



Geogr. Distr. Known only from the type locality. 



Genl. Char. "Size large; tail very long; ears prominent; bullae 

 very large and globular ; palatine foramina markedly broad and bottle- 

 shaped," 



■Color. Similar to that of M. pennsylvanicus , but slightly darker. 



Measurements. "Total length, 176-198; tail vertebrae, 54-62; fore 

 (hind?) foot, 12-13; ^^^^ 12-18." 



d. Microtics pennsylvanicus modesties (Baird). 

 Arvicola modesta Baird, N. Am. Mamm., 1857, p. 535. 

 Arvicola insperatus Allen, Bull. Am. Mus. Nat. Hist. N. Y., 1894, 



P-347- 

 Microtus pennsylvanicus modestus Elliot, Syn. N. Am. Mamm., 

 F. C. M. Pub., II, 1901, p. 180. Zool. Ser. 

 Sawatch Meadow Vole. 



Type locality. Cochetopa ("Sawatch") Pass, Saguache County, 

 Ck)lorado. 



Geogr. Distr. Rocky Mountains and western plains from New 

 Mexico to British Columbia, Canada, and from the Black Hills of 

 South Dakota to central Idaho and the plains of the Columbia. 



e. Microtus pennsylvanicus fonti^enus (Bangs). 



Microtus fontigenus Bangs, Proc. Biol. Soc. Wash., x, 1896, p. 48. 



Microtus pennsylvanicus fontigenus Elliot, Syn. N. Am. Mamm., 

 F. C. M. Pub., II, 1901, p. 181. Zool. Ser. 

 Forest Vole. 



Type locality. Lake Edward, Quebec, Canada. 



Geogr. Distr. Quebec Province, Canada, west to Peninsula Har- 

 bor and Nepigon, north shore of Lake Superior. 



/. Microtus pennsylvanicus labradorius Bailey. 



Microtus pennsylvanicus labradorius Bailey, Proc. Biol. Soc. Wash., 

 XII, 1898, p. 88. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 

 II, 1901, p. 181. Zool. Ser. 

 Little Labrador Meadow Vole. 



Type locality. Fort Chimo, Ungava, Labrador. 

 Geogr. Distr. Known only from the type locality. 



561. Microtus drummondi (Audubon & Bachman). 



Arvicola drummondi Aud. & Bachm., Quad. N. Am., iii, 1854, 



p. 166. 

 Arvicola (Mynomes) microcephalus Rhoads, Proc. Acad. Nat. 



Scien. Phil., 1894, p. 286. 

 Microtus stonei Allen, Bull. Am. Mus. Nat. Hist. N. Y., 1899, p. 5. 



