Mammals of the Boreal Zone. 



25 



Tamias rineivicollis (//) 

 obscurus (a) 

 senex (a) 

 speciosus () 

 townsendi 

 umbrinus (<() 

 quadrivittatus (a) 



luteiventris (.) 

 borealis 

 neglectue 

 Spermophilus late rails 



castanurus () 

 chrysodeirus (a) 

 cinerascens 

 armatus (a) 

 beldingi (a) 

 empetra 



kodiacensis 

 columbianus 

 Arctomys caligatus (a) 

 dacota (a) 

 flavi venter (a] 

 Aplodontia major (a) 



rufa 

 Sitomys americanus arcticus 



austerus 



Ncotoma cinerea druininondi 

 Phenacomys borealis 

 celatus 

 intermedius 

 latimanus 

 longicaudus 

 orophilus (n) 



I^votomys californicus 



occiden tails 



idahoensis 



carolinensis (a) 



dawsoni 



galei (n) 



gapperi 



brevicaudus 

 Arvicola alticolus (a) 



Arvicola druinniondi 

 nanus (<i) 

 oregonus 

 mordax 

 longicaudus 

 townsendi 

 macropus 

 xanthognathus 

 Myodes obensis 

 Cuniculus torquatus 

 Zapus hudsonius 

 Erethizon dorsatus 



epixanthus 

 Lagomys princeps (a) 



schisticeps (a) 

 Lepus americanus 

 bairdii (a) 

 Washington! 

 Lynx canadensis 

 Ursus americanus 



horribilis 



Putorius culbertsoni 

 longicauda 

 Mustela americana 

 caurina 

 pennant! 

 Sorex belli 



dobsoni (a) 



forsteri 



idahoensis 



monticolus (a) 



pacificus 



richardsoni 



sphagnicolus 



suckleyi 



trowbridgei 



vagrans 



similis (a) 

 albibarbis 

 palustris 

 hydrodromus 

 Condylura cristata 

 Vesperugo noctivagans 

 Atalapha cinerea 



4 BIOI.. Sor., WASH., Vol.. VII, !S<)-_>. 



