FIELD BOOK OF MAMMALS 



Mackenzie, and lower Churchill River, west side of 

 Hudson Bay, south to northern Minnesota, extreme north- 

 western Wisconsin, southern Ontario (vicinity of Lake 

 Nipissing), and southern Quebec (Lake Edward)." 

 f Howell j 



Labrador Flying Squirrel. — Glaucomys sabrinus makkovikensis 

 (vSornborger). 

 Larger than typical sabrinus, with upperparts slightly darker 

 and darker face, tail, and feet. Total length, 12-13. 2 

 inches; tail vertebree, 5.1-5.8 inches; hind foot, 1.7- 1.8 

 inches. Found in "Coast region of Labrador and eastern 

 Quebec; exact limits unknown." (Howell) 



M earns Flying Squirrel. — Glaucomys sabrinus macrotis 

 (M earns). 

 Smaller than typical sabrinus, but ears slightly longer, and 

 with whiter underparts and paler upperparts and hind feet, 

 Upperparts cinnamon; underparts white, with irregular 

 wash of light pinkish cinnamon. Total length, 10,5-11.6 

 inches; tail vertebras, 4.6-5.4 inches; hind foot, 1,4-1.5 

 inches. Found in "Nova Scotia, New Brunswick, Maine, 

 New Hampshire, Vermont, northern Massachusetts, Boreal 

 portions of New York, northern Pennsylvania (?), southern 

 Ontario, northern part of Michigan, and northeastern Wis- 

 consin; west to Elk River, Minnesota." (Howell) 



Pale Flying Squirrel, — Glaucomys sabrinus canescens Howell. 

 vSize of macrotis but paler and head grayer. Upperparts 

 pale pinkish cinnamon. Found in "Southern Manitoba; 

 eastern North Dakota; Black Hills, S, Dak.; and Bear 

 Lodge Mountains, Wyo. ; exact limits unknown." (Howell) 



Bangs Flying Squirrel. — Glaucomys sabrinus bangsi (Rhoads). 

 Resembling typical sabrinus in size and color but rather 

 grayer, Upperparts more drab, feet grayer, underparts 

 never yellowish white but pinkish cinnamon. Found in 

 "Mountains of central Idaho, eastern Oregon, southwestern 

 Montana, and western Wyoming, north to the vicinity of 

 Flathead Lake, Montana; southern limits unknown," 

 (Howell) 



Richardson Flying Squirrel, — Glaucomys sabrinus alpinus 

 (Richardson). 

 Like typical sabri?ius but grayer and less vinaceous above, 

 with darker tail (wood-brown mixed with fuscous both 

 above and below). Total length, 12-13. 6 inches; tail verte- 

 brse, 5-6 inches ; hind foot , i . 7- 1 . 8 inches. Found in _' ' Rocky 

 Mountain region of Alberta and British Columbia, from 

 vicinity of Henry House north at least to Peace River and 

 Babine Lake, British Columbia (limits of range unknown)." 

 (Howell) 



Yukon Flying Squirrel, — Glaucomys sabrinus yjikonensis 

 (Osgood). 

 Larger than typical sabrinus, tail longer and hind foot 

 broader, Upperparts cinnamon, pinkish to vinaceous, 



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