FIELD BOOK OF MAMMALS 



everywhere white. Total length, females, 7 inches; tail 

 vertebrae, .8 inch; hind foot, .8 inch. Found in Pennsylvania 

 in Allegheny mountains. 



Plains Least WeaseL — Mustela campestris Jackson. 



Like rixosa in color but paler and with more white on under- 

 parts. Upperparts (summer) Front's brown, tail without 

 black tip ; underparts white, extending onto forefeet. Total 

 length, males, 7.4 inches; tail vertebras, 1.3 inches; hind 

 foot, .76 inch. Taken at Beemer, Cuming County, 

 Nebraska. 



Tundra or Arctic WeaseL — Mustela arctica arctica (Merriam). 

 "Size large; ears small; tail short but with very long black 

 pencil; underparts yellow (including underside of basal half 

 of tail)." Summer pelage dark yellowish brown above; in 

 winter, white all over except for black tip of tail and yellow- 

 ish suffusion posteriorly. Total length, males, 16 inches; 

 tail vertebrae, 3 inches; hind foot, 2.0 inches. Found on 

 "Arctic coast and tundras. Specimens examined from 

 Anderson River, Franklin Bay, old Fort Good Hope, lower 

 Mackenzie River, Point Barrow, and St. Michaels." 

 (Merriam) Plate VIII. 



Polar Weasel. — Mustela arctica polaris (Barrett-Hamilton). 

 Resembling typical arctica. Upperparts (summer) golden 

 brown; underparts deep "primrose yellow," white on upper 

 lip, chin, and upper throat. Found in Hall Land, northern 

 Greenland. 



Greenland WeaseL — Mustela audax (Barrett-Hamilton). 

 Medium in size; tail short, with definite black pencil, 

 Upperparts (summer) wood-brown; underparts white, a 

 clear line of demarcation between upper and lower parts. 

 Found in North Greenland. 



Kodiak Island Weasel. — Mustela hadiacensis (Merriam). 

 Resembling arctica but smaller and differing in cranial 

 characters. Total length, males, 12.8 inches; tail vertebrse, 



3.4 inches; hind foot, 1.8 inches. Found only on Kodiak 

 Island, Alaska. 



Queen Charlotte WeaseL — Mustela haidarum (Preble). 



Resembling kadiacensis but smaller and with more black on 

 the tail. Upperparts (summer) very dark brown. In winter 

 white, with saffron tinge posteriorly and on underparts. 

 Tail black for about sixty per cent of its length. Males, 

 total length, 11 inches; tail vertebrae, 2.4 inches; hind foot, 



1.5 inches. Found on Graham Island, Queen Charlotte 

 Islands, British Columbia. 



New York WeaseL — Mustela noveboracensis noveboracensis 

 (Emmons). Plate VIII. 

 Males large, females much smaller; tail long and bushy, 

 with black tip for third to half its length. Upperparts dark, 

 rich brown; underparts white, with more or less yellowish 

 wash. Winter pelage white except in southern part of its 

 range. Total length, males, 16.3 inches, females, 13 inches; 



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