BOSS ON MAMMALS, ETC. OP THE MACKENZIE RITEE DISTKICT. 275 



No. of Species. 



Genus Arvicola. 



32. Arvicola riparia H (Ord.). JMiddle States to tlie Arctic Sea : 



common. 



33. Arvicola BicliardsoniiW (De Kay). 620X0^11: rare. 



34. Arvicola xantliognathus (Leach). Eed-clieeked Arvicole. North 



to the Arctic Sea : common. 



Grenus Piber. 



35. Fiber zihetMcus \\ (Cnvier). Musk Eat. Dzin, of the Chipe- 



wyan Indians. North America to Arctic Sea : abundant. 



Family Hystricidce. 

 Genus Erithezon. 



36. Frithison dorsatus \\ (Cuvier). Wliite-haired Porcupine. From 



Pennsylvania to within the Arctic Circle : common. 



37. FritMzon epixantlms (Brandt). Yellow-haired Porcupine. 



Prom Upper Missouri to Liard's Eiver. 



Family Leporidce. 

 Genus Lepus. 



38. Lepus americanus \\ (Errl). Wliite Eabbit. _ Kha, of the Chipe- 



wyan Indians. Prom Virginia to within the Arctic Circle : 

 migratory. 



39. Lepus glacialis (Leach). Arctic Hare. Newfoimdland, North, 



to Arctic Sea : not common. 



Genus Lagomys. 



40. Lagomys princeps (Eichs.). Little Chief Hare: common 



among mountain ranges of the Liard's Eiver. 



III. — OkDEB EtJMIN ANT I A. 



Family Cervida. 



(Cervinse.) 



Genus Alee. 



41. Aloes americanus \\ (Jardine). Moose. Tin-der'-yah, of the 



Chipewyan Indians. New York to within the Arctic 

 Circle : abundant. 



Genus Eangifer. 



42. Eangifer carihou\\ (Aud. and Bach.). Strong-wood Caribou. 



Prom Maine to the Youcon Eiver : abundant. 



43. Fangifer groenlandicus. Barren-ground Caribou. Barren 



grounds and Arctic coasts in spring, summer, and autumn ; 

 fringes of the woods, in A^dnter. Chipewyan name for both 

 species, Et-thin'. 



Family Cavicornia. 



Antilopinse. 

 Genus Aplocerus. 



44. Aplocerus montanus \\ (Eichs.). Mountain Goat. Prom 



Northern Cascade Mountains to the Arctic Sea : not 

 uncommon. 



