118 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



Microtus aztecus (Allen) . 



1893. Arvicoki {Mynonies) aztecus Allex, Bull. Araer. raiis. 

 nat. hist., v, p. 73. •April 28, 1893. 



1897. \_Microtus'\ aztecus Tkouessart, Catal. mamiii., jrt. iii, 

 p. 562. 



Type locality. — Aztec, San Juan County, Xew Mexico. 

 Altitude, 5900 feet. 



Microtus eni2cus Bangs. 



1896. Microtus enixus Baxgs, Amer. nat., xxx, p. 1051. 



December 5, 1896. 

 Type locality. — Hamilton Inlet, Labrador. 



Microtus terraenovae (Bangs). 



1894. Aroicola terraenovae Bangs, Proc. biol. soc. Washing- 

 ton, IX, p. 129. July 27, 1894. 



1896. 3I\_icrotus'\ terraeno'oae Miller, Xorth Amer. fauna, 



no. 12, p. 66. July 23, 1896. 

 Type locality. — Codroy, Newfoundland. 



Microtus bre^veri (Baird) . 



1857. Arvicohi hreweri Baird, Mamra. jSI. Amer., p. 525. 



1896. Microtus hreweri Miller, Proc. Boston soc. nat. hist., 

 XXVII, p. 83. June, 1896. 



Type locality. — Muskeget Island, off Xantucket, Massachu- 

 setts. 



Microtus nesophilus Bailey. 



l>^y'^. MirnAus iii.^uhtris Bailey, Proc. biol. soc. Washington, 

 XII, p. 86. April 30, 1897 (not of Xilsson). 



1898. Microtus nesophilus Bailey, Science, n. s., viii, p. 783. 

 December 2, 1898. 



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

 Long Island, Suffolk County, Xew York. 



Microtus montanus ( Peale ) . 



184"<. Af'-if'/u /nnntioia Peale, U. S. explor. exp., viii, 

 mamm. and ornith., ]>. 44. 



1897. [Microtus'] montanus Trouessart, Catal. mamm., pt. 

 Ill, p. 563. 



Type locality. — Headwaters of the Sacramento River, near 

 Mount Shasta, SiskiYou Countv, California. 



