WEASEL 



Small-eared Weasel. — Mustela microtis (Allen). 



Somewhat resembling richardsoni in color, but smaller; ears 

 very small. Upperparts dark brown with slight golden 

 tinge; underparts white washed with sulphur-yellow. 

 Males, total length, 11.8 inches; tail vertebrae, 3.3 inches; 

 hind foot, 1.5 inches; ear from crown, .76 inch. Found in 

 the vicinity of Shesley, British Columbia. 



Puget Sound Weasel. — Mustela streatori streatori (Merriam). 

 Smaller and darker than typical cicogna^ii, with dark brown 

 of upperparts reaching well onto belly, sometimes meeting 

 along mid- line; terminal third of tail black. Winter pelage 

 may or may not be white, depending upon locality. Total 

 length, males, 11 inches, females, 8.5 inches; tail vertebras, 

 males, 3.3 inches, females, 2 inches; hind foot, males, 1.3 

 inches, females, i.o inch. Found in "Puget Sound and coast 

 region of Washington and Oregon ; south at least to Yaquina 

 Bay (Newport), Oregon. Confined to a narrow strip along 

 the coast." (Merriam) 



Dwarf Weasel. — Mustela streatori leptus (Merriam). 

 Very small in size, less black on tail than in typical streatori. 

 Upperparts, summer, dark brown, tip of tail black; under- 

 parts white. In winter white without yellowish tinge, tip 

 of tail black. Total length, males, 9.8 inches; tail vertebras, 

 2.6 inches; hind foot, 1.3 inches. Found in Rocky Moun- 

 tains from Colorado into Alberta. 



Little Weasel ; Sierra Least Weasel. — Mustela muricus (Bangs). 

 wSize very small; tail short, black- tipped. Upperparts drab 

 brown with tendency toward olivaceous; underparts white. 

 Total length, males, 8.8 inches; tail vertebrae, 2.4 inches; 

 hind foot, 1.24 inches. Known from El Dorado County, 

 California. 



Least Weasel; Bangs Weasel. — Mustela rixosa rixosa (Bangs). 

 Size very small, smallest of the Weasels; tail short and having 

 no black tip; upperparts uniform dark reddish brown; 

 underparts white. Winter pelage white, including tip of 

 tail. Total length, females, 6 inches; tail vertebrae, 1.2 

 inches; hind foot, .9 inch. Found in "Boreal America from 

 Hudson Bay to coast of Alaska (St. Michaels) ; south to 

 northern Minnesota (Pembina) and Montana (Sun River)." 

 (Merriam) Plate VIII. 



Alaskan Least Weasel. — Mustela rixosa eskimo (Stone). 



Similar to typical rixosa, but duller in color. Upperparts 

 (summer) brown with slight reddish tinge. Total length, 

 males, 11.2 inches, females, 7.4 inches; tail vertebrce, males, 

 1.2 inches, females, i.o inch; hind foot, males, .84 inch, 

 females, .76 inch. Found in the region about Point 

 Barrow, Alaska. 



AUeghenian Least Weasel. — Mustela allegheniensis (Rhoads). 

 Resembling rixosa but larger and darker. Upperparts 

 (summer) walnut-brown, underparts pure white; tail lacking 

 black tip or with only a few black hairs. Winter pelage 



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