FAUNA OF THE ALEUTIAN ISLANDS AND ALASKA PENINSULA 317 



Nogheling Portage, Lake Clark (near head), mouth of Chulitna River, Neek- 

 ahweena Lake, south fork Chulitna River, Kakhtul River (near Malchatna 

 junction). Howell gives the range of this form as reaching as far east as 

 Yakutat. 



It is to be expected that red squirrels range as far as the ever- 

 green forest at the base of Alaska Peninsula. Presumably, this 

 animal does not occur on Kodiak or Afognak Islands. 



Family CASTORIDAE 



Casfor canadensis: Beaver 

 Castor canadensis canadensis 



Beavers are known to occur in the Bristol Bay region, and they 

 are trapped there. McKay obtained a specimen at Kokwok on 

 December 17, 1881. Osgood (1904, p. 32) found evidence of 

 beaver at various points in the wooded region about the base of 

 Alaska Peninsula. A. G. Maddren obtained a skull at Becharof 

 Lake in October 1903. But the designation of the range of beaver 

 in this country must await further field work. 



Kellogg (1936, p. 37) found beaver bones in native midden re- 

 mains from Kodiak Island. This would suggest that beavers oc- 

 cupied Kodiak Island at one time, though it is possible that these 

 beaver remains might have been brought there by natives. At 

 any rate, beavers were introduced on Kodiak Island in 1925 by 

 the Alaska Game Commission. In 1936, we found them to be 

 well established there. In 1938, Scheffer noted heavy utilization 

 of Sitka spruce by beavers in a pond near Kodiak; "Several 

 hundred stumps 1-6 inches in diameter were seen around the 

 shore. Peeled and unpeeled spruce sticks were used in the dam and 

 lodge — We noted some utilization of willow and Veratrum. . . . 

 The Salmonberry, though abundant, was apparently not utilized." 



Family CRICETIDAE 



Synaptomys borealis: Lemming Mouse 

 Synaptomys borealis dalli 



This mouse is confined to the basal parts of the Alaska Penin- 

 sula, and eastward. In Fish and Wildlife Service collections there 

 are specimens from Lake Clark, Lake Iliamna, Chulitna River, 

 Lake Aleknagik, and Kokwok, on Nushagak River. 



