MILLER AND REHN : NORTH AMERICAN MAMMALS. 117 



1895. 3I[l(yrotus\2jennsi/lvamcuslLinoxY)%, Amer. nat., xxix, 



p. 940. October, 1895. 

 Type locality. — Meadows below Philadelphia. Pennsylvaina. 



Microtus pennsylvanicus nigrans Rhoads. 



1^97. Jlicrotuspennsi/lraniciis nigrans Rhoads, Proc. acad. 



nat. sci. Phila., p. 307. June 18, 1897. 

 Type locality. — Currituck, Currituck County, North Caro- 

 lina. 



Microtus pennsylvanicus acadicus Banos. 



1897. Microtus pennsylvanicus acadicus Bangs, Amer. nat., 



'xxxi, p. 239. March, 1897. 

 Type locality. — Dio-by, Nova Scotia. 



Microtus pennsylvanicus modestus (Baird). 



1857. Arricola modesta Baird, Mamm. IST. Amer., p. 535, 

 1900. 3Iicrotus pennsi/lvanicus modestus Bailey, North 



Amer. fauna, no. 17. June 6, 1900. 

 Type locality. — Cochitoi)a {" Sawatch ") Pass, Saguache 



County, Colorado. 



Microtus pennsylvanicus f ontigenus (Bangs) . 



I 1896. Microtus font i'r/emis Bangs, Proc. biol. soc. Washing- 

 ton, X, p. 48. March 9, 1896. 



1897. Microtus j>e/insi/h:anicus f ontigenus Miller, Proc. 

 Boston soc. nat. hist., xxviii, p. 14. April 30, 1897. 



Type locality. — Lake Edward, Quebec, Canada. 



Microtus pennsylvanicus labradorius Bailey. 



1898. Microtus pterrnsgivanicus labradorius Bailey, Proc. 

 biol. soc. Washington, xii, p. 88. April 30, 1898. 



Type locality. — Fort Chimo, Uugava, Labrador. 



Microtus drummondii (Audubon and Bachman) . 



1854. Arvicola drunonondii Audubon and Bachmax, Quad. 

 N. Amer., iii, p. 166. 



1894. Arvicola (Jn/nomes) drumniondi Rhoads, Proc. acad. 

 nat. sci. Phila., p. 287. October 23, 1894. . 



1897. \]SIicrotus'\ drurnmondi Trouessart, Catal. mamm., 

 pt. HI, p. 563. 



Type locality. — " Valleys of the Rocky Mountains '" ; prob- 

 ably in the vicinity of Jasper House. Alberta, Canada. 



