RODENTIA: CRICETIDAE 559 



Xeiioniys nelsoni Merriamf * 



1892. Xenomys nelsoni Merriam, Proc. Biol. Soc. Washington, vol. 7, p. 161, 

 Sept. 29, 1892. 



Type Locality. — Hacienda Magdalena, between city of Colima and Manzanillo, 

 Colima, Mexico. 



Subfamily microtinae 28 (voles and lemmings) 



Tribe Lemmi 



Genus DICROSTONYX 29 Gloger (collared lemmings) 



1841. Dicrostonyx Gloger, Gemeinniitziges Hand- und Hilfsbuch der Naturge- 

 schichte, vol. 1, p. 97. (Type, an American species, probably Mus hudsonius 

 Pallas.) 



Subgenus DICROSTONYX Gloger 



Dicrostonyx hudsonius (Pallas)* 



1778. Mus hudsonius Pallas, Novae species quadrupedum e glirum ordine, 

 . . . , p. 208. 



1897. Dicrostonyx hudsonius Bangs, Proc. Biol. Soc. Washington, vol. 11, 

 p. 237, Sept. 17, 1897. 



Type Locality. — Labrador, Canada. Range. — Barren-ground area of Ungava 

 Peninsula and Labrador; south side of Hudson Strait and along Atlantic coast 

 at least as far south as Hamilton Inlet and possibly to Strait of Belle Isle, and on 

 east side of Hudson Bay to about Great Whale River, lat. 55° N.; also on many 

 islands along east side of Hudson Bay from Digges Islands to Belcher Islands 

 (Anderson, Nat. Mus. Canada Bull. 102 (1946), p. 148, Jan. 24, 1947). 



Subgenus MISOTHERMUS Hensel 



1855. Misothermus Hensel, Zeitschr. Deutsche Geol. Ges., vol. 7, p. 492. 

 (Type, Mus torquatus Pallas.) 

 Dicrostonyx groenlandicus groenlandicus (Traill)* 



1823. Mus groenlandicus Traill, in Scoresby, Journal of voyage to the north- 

 ern whale-fishery, . . . , p. 416. 

 1903. Dicrostonyx hudsonius var. groenlandicus Kolthoff, Kongl. Svenska 



Vetensk.-Akad. Handl., vol. 33, No. 9, p. 5, May 4, 1903. 

 1911. Dicrostonyx hudsonius groenlandicus Jacobi, Abhandl. Ber. zool. 



anthrop.-ethnol. Mus. Dresden, vol. 13, 1908, No. 4, p. 9. 

 1919. Dicrostonyx groenlandicus G. M. Allen, Bull. Mus. Comp. Zool., vol. 



62, p. 533, February 1919. 

 Type Locality. — Jameson Land, Greenland. Range. — From about lat. 69° 

 N. on east coast of Greenland northward to limit of land, lat. 83°24' N., and 

 thence westward along the coast of north Greenland to Kane Basin, and across 

 Robeson Channel, Ellesmere Island, and Axel Heiberg Island, south through 

 Baffin Island, to Melville Peninsula, Southampton Island, and Baker Lake, 



28 Genera and subgenera revised by Miller, North Amer. Fauna No. 12, pp. 1-84, July 23, 

 1896. 



"Revised by G. M. Allen, Bull. Mus. Comp. Zool., vol. 62, pp. 509-540, February 1919; 

 and by Anderson and Rand, Journ. Mamm., vol. 26, No. 3 (August) , pp. 301-306. Nov. 14, 1945. 



