_Big Horn Co._: 6 mi. NW Greybull, 3,800 ft., 6; Greybull, 4 (BS); 7 mi. S Basin, 3,900 ft., 5. _Sheridan Co._: 5 mi. NE Clearmont, 3,900 ft., 1. _Campbell Co._: 5 mi. N and 8 mi. W Spotted Horse, 9; 6 mi. W and 4 mi. S Rockypoint, 4,200 ft., 1; 4 mi. S and 3 mi. W Rockypoint, 5; Middle Butte, 6,010 ft., 38 mi. S and 19 mi. W Gillette, 3; South Butte, 6,000 ft., 17-1/2 mi. W and 40-1/2 mi. S Gillette, 2; Ivy Creek, 8 mi. W and 5 mi. N Spotted Horse, 6. _Crook Co._: Moorcroft, Belle Fourche Valley, 8 (BS). _Washakie Co._: 15 mi. W Tensleep, in badlands, 1 (BS); 8 mi. S and 8 mi. W Worland, 1; 10 mi. S Tensleep, near No Wood Creek, 2 (BS). _Goshen Co._: Rawhide Buttes, 12 mi. S and 1 mi. W Lusk, 1. _Laramie Co._: unspecified, 1. _Additional records_ (Howell 1929:44): _Big Horn Co._: Otto; Hyattville. _Sheridan Co._: Powder River at mouth of Clear Creek; Sheridan; Arvada. _Weston Co._: Thornton; Upton; Pine Ridge; Newcastle. _Hot Springs Co._: head of Bridger Creek; Willow Creek, 10 mi. SW Thermopolis. _Washakie Co._: 10 mi. S Manderson; Otter Creek, Bighorn Basin. _Johnson Co._: Powder River Basin, near Pumpkin Buttes. _Natrona Co._: Merino. _Converse Co._: Douglas. _Platte Co._: Guernsey; 15 mi. SW Wheatland. _Goshen Co._: Rawhide Butte. _Localities for which counties are unknown_: Owl Creek Mountains; North Platte River. Eutamias minimus confinis Howell _Eutamias minimus confinis_ Howell, Jour. Mamm. 6:52, February 15, 1925. _Type._--Female, adult, skull and skin No. 168957 (NM); from head of Trapper Creek, west slope of Bighorn Mountains, Big Horn County, Wyoming; obtained on July 7, 1910, by Merrit Cary; original No. 1956. _Diagnosis._--Size large; over-all tone of upper parts grayish brown; baculum large, as in _E. m. pallidus_. _Description._--_Color pattern_: Crown Clay Color mixed with Pale Smoke Gray; upper facial stripe Fuscous Black; other facial stripes Fuscous Black slightly mixed with Tawny; anterior margin of ear Yellow Ocher or Ochraceous-Orange; hairs inside posterior part of pinna Yellow Ocher or Ochraceous-Orange; posterior margin of ear Smoke Gray; postauricular patch buffy white or Smoke Gray; dorsal dark stripes black or Fuscous Black more or less mixed with Tawny or Tawny-Olive; dorsal light stripes creamy white, sometimes washed with Pale Smoke Gray; sides Raw Sienna or Cinnamon Buff; rump and thighs Pale Smoke Gray mixed with Tawny-Olive; dorsal surface of tail black mixed with Clay Color; ventral surface of tail Clay Color, black along margin and Light Buff or Light Ochraceous Buff along outermost edge; antipalmar and antiplantar surfaces of feet Pinkish Buff; underparts creamy white sometimes with grayish underfur. _Skull_ and _Baculum_: Large but proportionally the same as in other subspecies of _E. minimus_.