Brown along margins; lateral dorsal dark stripes black
mixed with Sayal Brown or Mikado Brown; outermost dorsal
dark stripes Sayal Brown or Mikado Brown mixed with black;
sides Ochraceous-Tawny or Tawny; thighs Cinnamon-Buff mixed
with Smoke Gray; antipalmar and antiplantar surfaces of feet
Cinnamon-Buff; ventral surface of tail Cinnamon-Buff or
Ochraceous-Tawny with Fuscous Black around margin and
Pinkish Buff around outermost edge; underparts creamy white.
_Skull_: Large; zygomata strong; braincase moderately
inflated. _Baculum_: One of largest in species.

_Comparisons._--For comparisons with _E. u. umbrinus_, _E.
u. adsitus_, _E. u. sedulus_, and _E. u. nevadensis_, see
the accounts of those subspecies.

_Remarks._--The baculum in _E. u. inyoensis_ is like that in _E.
palmeri_.

_Specimens examined._--Total number, 46.

=Nevada=: _Elko Co._: Head Ackler Creek, N end Ruby Mountains,
1; Steels Creek, N end Ruby Mountains, 1; Summit Secret
Pass, 6,200 ft., Ruby Mountains, 2; Three Lakes, Ruby
Mountains, 11; Long Creek, S fork, Ruby Mountains, 4;
Harrison Pass R. S., Green Mountain Canyon, 1; W side Ruby
Lake, 6 mi. N Elko Co. line, 3; W side Ruby Lake, 3 mi. N
Elko Co. line, 8. _White Pine Co._: Willow Creek, 2 mi. S
White Pine Co. line, Ruby Mountains, 6; W side Ruby Lake, 3
mi. S White Pine Co. line, 5; Overland Pass, E slope Ruby
Mountains, 8 mi. S White Pine Co. line, 2.

=Utah=: _Boxelder Co._: Head of George Creek and Clear Creek,
5 mi. S Stanrod, Raft River Mountains, 8,500 ft., 2 UU.

=Eutamias umbrinus nevadensis= Burt

_Eutamias quadrivittatus nevadensis_ Burt, Jour.
Mamm. 12:299, August 24, 1931.

_Type._--Male, adult, skull and skin, No. 15884 Donald R.
Dickey Collection; from Hidden Forest, Sheep Mountains, 8,500
ft., Clark County, Nevada; obtained on July 13, 1929, by W.
H. Burt; original No. 2337.

_Diagnosis._--Size medium; general tone of upper parts
grayish; baculum one of the largest of species.

_Description._--"General tone of upperparts grayish; median
dorsal stripe, extending from crown between ears to rump,
black faintly bordered with 'verona brown'; lateral dark
dorsal stripes similar to median stripe, but with anterior
one-third deeply suffused with 'verona brown'; central light
dorsal stripes grayish, sl