MILLER AND REHN: NORTH AMERICAN MAMMALS. 125 



Type locality. — " Xear the foot of the Rocky Mountains." 

 According to Bailey (North Anier. fauna, no. 17, p. liO, June 6, 

 1900) the type was collected by Drummond in the vicinity of Jas- 

 per House, Alberta, Canada. 



Microtus richardsoni macropus (Merriam). 



1>!91. Arrl'-oht {Mi/noiiies) mao-opas ]Merria:m, North 



Amer. fauna, no. 5, p. .39. July 30, 1891. 

 1900. ^[ici'ofns richm'dsom macropus Bailey, North Amer. 



fauna, no. 17, p. Gl. .June 6, 1900. 

 Type locality. — Pahsimeroi Mountains, Idaho. Altitude, 



al)0ut 9700 feet. 



Microtus richardsoni arvicoloides (Khoads). 



ls94. Anlarvinijs u rclrolokles Rhoads, Amer. nat., xxviii, 



p. 182. February 11, 1894. 

 1900. Microtus richardsoni ari^icoloides Bailey, North 



Amer. fauna, no. 17, p. 02. .June 0, 1900. 

 Type locality. — Lake Ivichelos, Kittitas County, AVashing- 



ton. Altitude, 8000 feet. 



Subgenus Pitymys McMurtrie. 



1831. Pitymijs 3I<AIuPvTR1E, Cuvier's anim. kingdom, Amer. 

 ed., I, p. 434. Type. — Psairoaouti/s pinetorum I^e Coxte. 



* Microtus pinetorum (Le Conte). 



1830. Psararaomys 2Jinetori(m Le Coxte, Ann. lye. nat. hist. 



New York, iii, p. 133. 

 1885. Arvicokr pi/ietoram True, Proc. U. S. nat. nuis., vii 



(1884), p. 596. 1885. (Part.) 

 1896. Jlicrotifs pinetonoa Miller, Nortli Amer. fauna, no. 



12, p. 9. July 23. 1S96. 

 Type locality. — Pine forests of (Tcorgia, probably on the Le 



Conte plantation, near Riceboro. Liberty County. 



Microtus pinetorum scalopsoides (Audubon and Bachman). 

 1S41. Ari'icola scaiopsoides Audubox and Bachjiax, Proc. 

 acad. nat. sci. Phila., i, p. 97. October, 1841. 



