THE MAMMALIA OF CANADA. 85 



The surface is in many places undermined b}' this species to such 

 an extent that a horse will repeatedly break through, thus mak- 

 ing travelling both very tedious and unpleasant. 



Thomomys talpoides, var. hulbivorus^ Rich. 

 Pacific Pocket Gopher. 

 Diplostoma f hulbivoru7n. Rich. 

 Geomys Douglassii^ Rich. 



Southern portion of British Columbia. 



SCIUROPTERUS VOLUCELLA, Pollas. 



Var. Iludsonius^ Grael. 



Northern Flying Squirrel. 

 Pteromys sahrinus, Rich. 

 Pterotnys sahrinus, var. B. aljnnns, Rich. 

 Pteromys Oregonensis^ Bach. 



Sa-ha-skan-da-wa-si, (a thing that sticks close to any- 

 thing). Saulteaux. 



From the Atlantic to the Pacific as far north as Hudson's 

 Bay, Great Slave Lake and Fort Liard. 



SciURUS HuDSONius, Pallas. 



Red .Squirrel. Chickaree. 

 A-ni-wa-chask. Cree. 

 A-chit-a-moo. Saulteaux. 



From the Atlantic westward to the Rocky Mountains and 

 northward to the northern limit of trees. 

 Yar. RiGhardsoni, Bach. 

 Rocky Mountains to the Cascade Range in the vicinity of 

 the International Boundary Line. 

 Yar. Douglassi, Gray. 



Sciurus Hudsonius^ var. /3, Rich. 

 Coast of British Columbia. 



