302 procep:dings : boston society natural history. 



Regarded by Miller (Proc. biol. soc. Washington, xi, p. 80, April 

 21, 1897) as identical with P. orophilus (p. 111). 



Phenacomys oramontis Rhoads. 



1895. Phenacomys oramontis Rhoads, Amer. nat., xxix, p. 



941. October, 1895. 

 Type locality. — Mount Baker Range, British Columbia, 

 Canada. Altitude, 6000 feet. 

 Regarded by Miller (Proc. biol. soc. Washington, xi, p. 80, April 

 21, 1897) as identical with P. orophilus (p. 111). 



Phenacomys ungava jMerriam. 



1889. Phenacomys ungava Merriam, North Amer. fauna, no. 



2, p. 35. October 30, 1889. 

 Type locality. — Godbout, Quebec, Canada. 

 Regarded by Miller (Proc. biol. soc. Washington, xi, p. 80, April 

 21, 1897) as identical with P. celatas (p. 112). 



Evotomys fuscodorsalis Allen. 



1894. Erofoiiiys fuscodorsalis Allen, Bull. Amer. mus. nat. 



hist., Yi, p. 103. April 14, 1894. 

 Type locality. — Trousers Lake, New Brunswick, Canada. 

 Regarded by Bailey (Proc. biol. soc. Washington, xi, p. 122, May 

 13, 1897) as a color phase of E. yapperi (p. 113). 



Evotomys pygmaeus Rhoads. 



1894. Er(>f(>)in/{< pyymaeus Rikjads, Proc. acad. nat. sci. 



Phila., p. 284. October 23, 1894. 

 Type locality. — Mouth of the Nisqually RiYer, Pierce 

 County, Washington. 

 Regarded by Bailey (Proc. biol. soc. Washington, xi, p. 122, May 

 13, 1897), as identical with E. occidentalis (p. 115). 



Subgenus Tetramerodon Rhoads. 



1894. Tetramerodon Rhoads, Proc. acad. nat. sci. Phila., p. 

 282. October 23, 1894. Type. — Arvicola tetramerus Rhoads. 



Regarded by Miller (North Amer. fauna, no. 12, pj^. 18-19, 62, 

 July 23, 189(5) as identical with the subgenus Microtus (p. 116). 



