microtus. 243 



Innuit Meadow Vole. 



Type locality. St. Lawrence Island, Bering Sea, Alaska. 

 Geogr. Distr. Known only from the type locality. 



583. Microtus abbreviatus Miller. 



Microins abbreviatus Miller, Proc. Biol. Soc. Wash., xiii, 1899, 

 p. 13. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, 

 p. 189. Zool. Ser. 

 Hall Island Meadow Vole. 



Type locality. Hall Island, Bering Sea, Alaska. 



Geogr. Distr. Known only from Hall Island. 



a. Microtus cthhreviatiis fisheri Merriam. 



Microtus abbreviatus fisheri Merr., Proc. Wash. Acad. Scien., 11, 



1900, p. 23. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 



1 901, p. 190. Zool. Ser. 



St. Matthew Island Meadow Vole. 



Type locality. St. Matthew Island, Bering Sea, Alaska. 

 Geogr. Distr. Known only from St. Matthew Island. 



584. Microtus townsendi (Bachman). 



Arvicola townsendi Bachm., Journ. Acad. Nat. Scien. Phil., 1839, 



p. 60, pi. I. 

 Arvicola occidentalis Peale, U. S. Expl. Exped., Mamm. & Omith., 



VIII, 1848, p. 45. 

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

 II, 1901, p. 190. Zool. Ser. 

 Townsend's Meadow Vole. 



Type locality. Lower Columbia River, near mouth of the Wil- 

 lamette, or near Wappatoo or Sauvie Island. 



Geogr. Distr. Port Moody, British Columbia, Canada, south to 

 the Willamette Valley and to Yaquina Bay, Oregon. 



585. Microtus tetramerus (Rhoads). 



Arvicola (Tetramerodon) tetramerus Rhoads, Proc. Acad. Nat. 



Scien. Phil., 1894, p. 283. 

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

 II, 1901, p. 190. Zool. Ser. 

 Vancouver Meadow Vole. 



Type locality. Beacon Hill Park, Victoria, British Columbia. 

 Geogr. Distr. Southern end of Vancouver Island, British Colum- 

 bia, Canada. 



586. Microtus longicaudus (Merriam). 



Arvicola (Mynomes) longicaudus Merriam, Anier. Nat., xxii, 1888, 

 P- 934. 



