134 PROCEEDINGS : BOSTON SOCIETY NATURAL HISTORY. 



* Lemmus alascensis Meniarn. 



1885. Myodes obensis True, Proc. U. S. nat. nius,, vii 



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

 1900. Lemmus alascensis Merriam, Proc. Washington acad. 



8ci., Ji, p. 26. March 14, 1900. 

 Type locality. — Point Barrow, Alaska. 



Lemmus nigripes (True) . 



1894. Mijodes nigripes True, Diagnoses of new North Amer- 

 ican mammals, p. "2. April 26, 1894. (Reprint : Proc. U, S, 

 nat. raus., xvii, p. 242. November 15, 1894.) 



1896. L\_e7iimvs'\ nigripes Miller, North Amer. fauna, no. 

 12, p. 37. July 23, 1896. 



Type locality. — St. George Island, Pribilof Islands, Bering 

 Sea. 



Lemmus trimucronatus (Richardson) . 



1825. Arvirohi trhtnicronata Richardson, Journ. Parry's sec- 

 ond voyage, app., p. 309. 



1900. Ijetmmis trimiicronatds Stone, Proc. acad, nat. sci. 

 Phila., p. 35. March 24, 1900. 



Type locality. — Point Lake, Mackenzie, Canada. 



Lemmus yukonensis Merriam. 



1900. Jjernuius yukonensis Merriam, Proc. Washington acad. 



sci., II, p. 27. March 14, 1900. 

 Type locality. — Charlie Creek, Yukon River, Alaska, 



Genus DICROSTONYX Gloger. 



1841. Dicrostongx Gloger, Gemeinn. Hand- u. Hilfsbuch d. 

 Naturgesch., pp. xxxi, 97. Type. — An American species, probably 

 Mtts hudsonius Pallas. 



Dicrostonyx hudsonius (Pallas). 



1778. 3Itis /iiidsonlHs Pallas, Nov. sp. quadr. ghr. ord., p. 

 208. 



