216 BULLETIN 19, UNITED STATES NATIONAL MUSEUM. 



*Microtus enixus Bangs. 



1896. Microtus enixus Bangs, Amer. Nat., vol. 30, p. 1051. 



December 5, 1896. 

 Type Locality. — Hamilton Inlet, Labrador. 

 Range. — Eastern coast of Labrador from Hamilton Inlet to 



Ungava Bay, in Hudsonian zone. 



*Microtus terrsenovae (Bangs). 



1894. Arvicola terrxnovx Bangs, Proc. Biol. Soc. Washington, 



vol. 9, p. 129. July 27, 1894. 

 1896. M[icrotus\ terrsenovss Miller, North Amer. Fauna, No. 



12, p. 66. * July 23, 1896. 

 Type Locality. — Codroy, Newfoundland. 

 Range. — Newfoundland and Penguin Island. 



t*Microtus breweri (Baird). 



1857. Arvicola hreweri Baird, Mamm. N. Amer., p. 525. 



1896. Microtus hreweri Miller, Proc. Boston Soc. Nat. Hist., 

 vol. 27, p. 83. Jmie, 1896. 



Type Locality. — Muskeget Island, off Nantucket, Massachu- 

 setts. 

 Range. — Muskeget Island. 



t*Microtus nesophilus Bailey. 



1898. Microtus insularis Bailey, Proc. Biol. Soc. Washington, 



vol. 12, p. 86. April 30, 1898. (Not of Nilsson, 1844.) 

 1898. Microtus nesophilus Bailey, Science, n. s., vol. 8, p. 783. 



December 2, 1898. (Substitute for insularis Bailey.) 

 Type Locality. — Great Gull Island, off eastern extremity of 



Long Island, Suffolk County, New York. 

 Range.^ — Great Gull Island, at entrance to Long Island Sound. 



*Microtus montanus montanus (Peale). 



1848. Arvicola montana Peale, U. S. Explor. Exp., vol. 8, 

 mamm. and ornith., p. 44. 



1897. [Microtus] montanus Trouessart, Catal. Mamm. viv. foss., 

 p. 563. 



Type Locality. — Headwaters of the Sacramento River, near 



Mount Shasta, Siskiyou County, California. 

 Range. — Northeastern California, eastern Oregon, northern 



Utah and Nevada, in the upper Sonoran and transition zones. 



t*Microtus montanus arizonensis Bailey. 



1898. Microtus montanus arizonensis Bailey, Proc. Biol. Soc. 

 Washington, vol. 12, p. 88. April 30, 1898. 



Type Locality. — Springerville, Apache Coimty, Arizona. 

 Range. — Plateau country of eastern Arizona, at head of Little 

 Colorado, in the transition zone. . 



