_Distribution._--The extreme north coast of Washington, from the Canadian boundary south through Whatcom County (Hall, 1945: 80-81). _Remarks._--The range of this ermine is similar to that of the yellow-pine chipmunk, _Eutamias amoenus felix_. [Illustration: FIG. 56. Distribution of the ermine in Washington. A. _Mustela erminea invicta._ B. _Mustela erminea murica._ C. _Mustela erminea gulosa._ D. _Mustela erminea fallenda._ E. _Mustela erminea streatori._ F. _Mustela erminea olympica._] =Mustela erminea olympica= Hall _Mustela erminea olympica_ Hall, Jour. Mamm., 26:81, February 27, 1945. _Type._--Obtained near head of Sol Duc River, Clallam County, Washington, by V. Bailey, on April 28, 1897; type in United States National Museum. _Racial characters._--Similar to _streatori_ but smaller, especially females. _Measurements._--Twelve males and 6 females average, respectively: total length 243, 196; length of tail 65, 52; hind foot 31, 23.4 (Hall, 1945: 81). _Distribution._--The Olympic Peninsula, extending southeastward to Olympia. =Mustela erminea streatori= (Merriam) _Putorius streatori_ Merriam, N. Amer. Fauna, 11:13, June 30. 1896. _Mustela streatori streatori_ Miller, U. S. Nat. Mus. Bull., 79:96, December 31, 1912. _Mustela cicognanii streatori_ Taylor and Shaw, Occ. Pap. Chas. R. Conner Mus., no. 2:11, December, 1929. _Mustela erminea streatori_ Hall, Jour. Mamm., 26:76, February 23, 1945. _Type._--Obtained at Mount Vernon, Skagit County, Washington, by D. R. Lucky on February 29, 1896; type in United States National Museum. _Racial characters._--Similar to _fallenda_ but pale color of underparts less restricted; tail with less than distal half black. _Measurements._--Two males and 2 females from extreme southwestern Washington average, respectively: total length 245, 210; length of tail 72, 54; hind foot 31.5, 25.5; ear 17, 14; weight 72.3, 46. _Distribution._--The lowlands of western Washington; north to Skagit County and Whidby Island (Taylor and Shaw, 1929: 11), southward and westward to Ilwaco (M.V.Z.) and eastward to Carson (U.S.N.M.). =Mustela erminea gulosa= Hall _Mustela erminea gulosa_ Hall, Journ. Mamm., 26:84, February 27, 1945. _Type._--Obtained at Trout Lake, Klickatat County, Washington, by P. Schmid on February 3, 1897; type in United States National Museum. _Racial characters._--Similar to _invicta_ but smaller; winter coat usually white; tail less than one-half black; upper lips white. _Measurements._--Five males from Mount Rainier, and 4 females from the Cascade Mountains, average, respectively (Hall, 1945: 84): total length 253, 208; length of tail 76, 54; hind foot 30.2, 24.3.