Mustela erminea invicta [Hall]
Mustela erminea invicta [Hall], Jour. Mamm., 26:75, February 27, 1945.
Type.—Obtained at Benewah, Benewah County, Idaho, by W. T. [Shaw] on October 24, 1926; type in Museum of Vertebrate Zoölogy.
Racial characters.—Largest of the Washington ermines; winter coat entirely white; upper lips white; black of tail more than half length of tail vertebrae.
Measurements.—Ten males and 5 females from central Idaho average, respectively ([Hall], 1945): total length 291, 255; length of tail 86, 71; hind foot 40, 32. 3.
Distribution.—Northeastern Washington and the northeastern Cascades, west to Chilliwack River and Hannegan Pass ([Hall], 1945: 78).
Mustela erminea fallenda [Hall]
Mustela erminea fallenda [Hall], Jour. Mamm., 26:79, February 27, 1945.
Type.—Obtained at Huntingdon, British Columbia, by C. H. [Young] on May 21, 1927; type in National Museum of Canada.