=Virginia.= _Shenandoah County_: Toms Brook, 1. _Arlington County_: Arlington, 1; Ballston, 1; Alexandria, 1. _Fairfax County_: Falls Church, 3; Mt. Vernon, 2; no locality more definite than county, 1. _Prince William County_: Occoquan, 1. _Essex County_: Montague, 1. _Prince George County_, 1. _Norfolk County_: Wallaceton, 1. _Grayson County_: Mt Rogers, 3. _County_ in question: Dismal Swamp, 1; Massanutten Mt., 1. =West Virginia.= _Hardy County_, 1. _Pendleton County_: radius of 2 mi. Smoke Hole, 1[74]. _Greenbriar County_: White Sulphur, 2[60]. =Wisconsin.= _Douglas County_: Gordon, 1[104]. _Vilas County_: Mamie Lake, 4. _Dunn County_: Colfax, 4[104]; Meridean, 1[104]. _Door County_: state game farm, 17[104]; no locality more definite than county, 1[104]. _Dodge County_: Rolling Prairie, 1[50]; Beaver Dam, 52[50]. _Dane County_: Wingra Lake, 1[104]. _Waukesha County_: Pewaukee, 2[104]. _Racine County_: Waterford Township, 2[104]. _Rock County_: Milton, 1[104]; Bowers Lake, 1[104]. _Walworth County_: Lane's Mill, 8 mi. N Elkhorn, 7 (1[104], 6[54]); Delavan, 7. =Mustela frenata occisor= (Bangs) Long-tailed Weasel Plates 16, 17, 18, 31, 32 and 33 _Putorius occisor_ Bangs, Proc. New England Zool. Club, 1:54, June 9, 1899. _Mustela occisor_, Miller, U. S. Nat. Mus. Bull., 79:98, December 31, 1912. _Mustela frenata occisor_, Hall, Carnegie Instit. Washington Publ. 473:104, November 20, 1936. _Type._--Male, adult, skull and skin; no. 9102, coll. of E. A. and O. Bangs in Mus. Comp. Zoöl.; Bucksport, Hancock County, Maine; January 15, 1899; obtained by Alvah G. Door but measured and sexed by O. Bangs. The skin is well made and in good condition. It is in full, white winter-dress with black-tipped tail. The skull has the posterior half of the left zygomatic arch broken away; otherwise the skull is unbroken and complete. Left I3 and right P3 are missing. The teeth otherwise all are present and entire. _Range._--Maine; possibly north locally to south side of St. Lawrence River in Quebec and possibly occurring in western New Brunswick. Zonal range Canadian and probably Transition. See figure 29 on page 221. _Characters for ready recognition._--Differs from _M. f. noveboracensis_ by a number of average differences including larger size, relatively longer tail and relatively wider skull (see p. 225, and measurements on pp. 418, 419). _Description._--_Size._--Male: Five adults yield average and extreme measurements as follows: Total length, 443 (430-465); length of tail, 163 (154-175); length of hind foot, 50 (47-54). Tail averages 58 per cent as long as head and body. Length of hind foot averages more than basal length.