FLYING SQUIRREL 



Total length, 14.5 inches; tail vertebrae, 7.2 inches; hind 

 foot, 1.7 inches. Found in "Yukon River region, from 

 vicinity of Mayo Lake, Yukon (head of Stewart River), to 

 Tanana, Alaska; exact limits unknown." (Howell) 



Alaska Coast Flying Squirrel. — Glaucomys sabrinus zaphcBus 

 (Osgood). 

 Resembling alpinus but browner above and darker below; 

 eye-ring blackish. Total length, 11. 6-12. 5 inches; tail ver- 

 tebrae, 5.4-6.1 inches; hind foot, 1.6 inches. Found in 

 "Coast region of southeastern Alaska and northern British 

 Columbia; limits of range unknown." (Howell) 



Bachman Flying Squirrel. — Glaucomys sabrinus oregonensis 

 (Bachman). 

 Redder above and below than zaphcEUs, upperparts dark 

 reddish brown, underparts cinnamon or buff. Total length, 

 1 1. 8-12. 4 inches; tail vertebrae, 5-5.5 inches; hind foot, 1.5- 

 1.6 inches. Found in "Coast region of Oregon, Washington, 

 and southern British Columbia; northern and southern 

 limits unknown." (Howell) 



Okanagan Flying Squirrel. — Glaucomys sabrinus columbiensis 

 Howell. 

 Paler above and below than oregonensis. Upperparts 

 vinaceous cinnamon to vinaceous fawn. Total length, 12,5 

 inches; tail vertebrae, 5.7 inches; hind foot, 1.7 inches. 

 Found in "Interior valleys and foothills of southern British 

 Columbia and northern Washington, from Shuswap Lake 

 and Cranbrook, British Columbia, south to Lake Chelan, 

 Washington." (Howell) 



Cascade Flying Squirrel. — Glaucomys sabrinus fuliginosus 

 (Rhoads). 

 Resembling columbiensis but browner above, darker below 

 and less brown on tail; less rufescent than oregonensis. 

 Total length, 12.2-12.7 inches; tail vertebrae, 5.6-6.1 inches; 

 hind foot, 1.6-1.7 inches. Found in "Cascade Range, from 

 southern British Columbia south through Washington and 

 Oregon to the Siskiyou Mountains, California." (Howell) 



Broad-footed Flying Squirrel. — Glaucomys sabrinus latipes 

 Howell. 

 Size very large; darker and grayer ih^n fuliginosus ; above, 

 drab mixed with brown. Total length, 12. 6-14. 5 inches; 

 tail vertebrae, 5.8 to 6.5 inches; hind foot, 1.5-1.8 inches. 

 Found in "Selkirk Range, and other ranges in southeastern 

 British Columbia, higher mountains of northern Idaho and 

 northwestern Montana; south to Mullan and Orofino, 

 Idaho." (Howell) 



Olympic Flying Squirrel.^ — Glaucomys sabrinus olympicus 

 (Elliot). 

 Darkest of American Flying Squirrels; most like oregonensis 

 but with less rufous and much fuscous or fuscous black 

 about eyes, ears, flying membranes, feet, and tail above. 

 Total length, 13.1-13.8 inches; tail vertebrae, 6.4-6.6 inches; 



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