w 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_.

_Comparisons._--From _E. m. silvaticus_, the subspecies from the
Black Hills, _E. m. confinis_ differs in: General tone of upper
parts darker, more reddish and less grayish; ventral surface of
tail more tawny; skull and baculum of same size and proportions.

From _E. m. operarius_, the subspecies from the Laramie Range and
other mountains of south-central Wyoming, _E. m. confinis_ differs
in: Rump and thighs darker; sides darker; general tone of upper
parts more grayish.

For comparisons with _E. m. minimus_, _E. m. consobrinus_, and _E.
m. pallidus_, see the accounts of those subspecies.

_Remarks._--This subspecies is endemic to the Bighorn Mountains.
Intergradation between _E. m. confinis_ and _E. m. minimus_ and between
_E. m. pallidus_ and _E. m. confinis_ have already been discussed in
the accounts of those subspecies.

_Specimens examined._--Total number, 85.

_Big Horn Co._: 12 mi. E and 2 mi. S Shell, 7,900 ft., 2; 13 mi. E
and 2 mi. N Shell, 8,500 ft., 2; 13 mi. E Shell, 8,300 ft., 1; 17
mi. E and 3 mi. S Shell, 9,000 ft., 8; 17-1/2 mi. E and 4-1/2 mi. S
Shell, 8,500 ft, 11; 19 mi. E and 4-1/2 mi. S Shell, 9,600 ft., 1;
9 mi. E and 9 mi. N Tensleep, 8,200 ft., 4.

_Sheridan Co._: Medicine Wheel Ranch, 9,000 ft., 28 mi. E Lovell,
11; 38 mi. E Lovell, Big Horn Nat. For., 9,600 ft., 10; 5-1/2 mi. W
and 1-1/2 mi. S Junction U.S. Highway 14 and Wyoming [State
Highway] 14, 8,480 ft., 2.

_Washakie Co._: 9 mi. E and 4 mi. N Tensleep, 7,000 ft., 26; 3 mi.
SE Tensleep, 4,300 ft., 1.

_Johnson Co._: 5-1/2 mi. W and 1 mi. S Buffalo, 6,500 ft.,