20 



CHAPTER I 



/. typ. 



N Eur. 



RANGIFER TARANDUS L.' (fig. 53) 



(Caribou; Reindeer) 



sbsp. platyrhynchus sbsp. sibiricus Murr. sbsp. arcticus Rich. 

 Vrol. (and 4 other sbspp.) (incl. some minor 



forms) 



Spitzb. 



sbsp. groenlandicus Bor. 

 W, N & NE Greenl. 



Ural Mts.-E Sib. 

 Sakhal. 



Arct. N Amer.: N & 

 C Alas., Brit. Col.- 

 N Labr. (caboti 

 All. 2) and Ellesmere 

 lsl.{pearyiA\l.^). 



/. typ- 



N Scand.-Baikal, 

 Mong. 



Rodentia (in widest sense) 



CLETHRIONOMYS RUTILUS Pall. 



(Tundra or Northern Redbacked Vole) 

 Many sbspp. 



N Asia. 



sbsp. amurensis 

 Schrk. 

 Amur, Sakhal. 



sbsp. dawsoni Merr.^ 

 Alas.-Huds. B., S to Brit. Col. 



sbsp. jochelsoni 



Allen 



Kolyma, Kamch. 



/• typ. 

 N Russ.-N Sib. 



DICROSTONYX TORQUATUS Pall 



(Collared Lemming) 

 sbsp. lenae Kerr 



Lena-Anadyr. 



sbsp. unalascensis 



Merr2. 



Aleut. Isl. 



sbsp. hudsonius Pall.^ 

 N Labr. 



sbsp. groenlandicus 



Traill^ 



N. Amer. tundra: 



Alas.-Hudson B., 



arct. isl., Greenl. 



LEMMUS SIBIRICUS Kerr (obensis Brants) 

 (Brown Lemming) 



/. typ. 3-4 sbspp. 



White Sea-W Sib. NE Sib. 



sbsp. kittlitzi 



Midd. 



Kamch. 



sbsp. trimucronatus 



Rich. 2 



Alas. & Brit. Col., E 



toNLabr.&Baff.L. 



^ According to Flerow (1952, p. 222-247). Jacobi (iQSO bas a different arrangement of 

 Rangifer. 



* Usually regarded as distinct species. 



