UU; Moab,
4,500 ft., 4 UU; Moab Bridge over Colorado River, 3,995 ft.,
Moab, 1 UU; Colorado River, 5 mi. E Moab Bridge, 4,000 ft., 1
UU. _Wayne Co._: Fruita, 1 UU.

=Colorado=: _Moffat Co._: 11 mi. W and 11 mi. N Rangely,
6,000 ft., 3. _Rio Blanco Co._: White River, 5 BS. _Eagle
Co._: McCoy, 2 BS. _Mesa Co._: 1-1/2 mi. S Loma, 4,600 ft.,
1. _Gunnison Co._: 1 mi. E Somerset, 6,100 ft., 1. _Montrose
Co._: 1 mi. E Naturita, 5,900 ft., 1. _Dolores Co._: 1 mi. N
Cahone, 6,900 ft., 1. _Montezuma Co._: 1 mi. S Cortez, 5,000
ft., 1; Mesa Verde, 25 mi. SW Mancos, 7,000 ft., 2 BS.

=Arizona=: _Navajo Co._: Keams Canyon, 80 mi. N Holbrook, 15
BS. _Apache Co._: Summit, 8,000 ft., Luka Chukai Mountains,
15 mi. E Luka Chukai Navajo School, 8 BS; Wheatfield Creek, W
slope Tunicha Mountains, 7,000 ft., 3 BS.

=Eutamias umbrinus= (J. A. Allen)

_Diagnosis._--Size medium; pelage dark; sides dark; narrow cranial
breadth; baculum distinguishable from that of any other species (E.
palmeri excepted) by the combination of width of base more than 1/3 of
length of shaft, distal 1/2 of shaft laterally compressed, and keel
1/4 of length of tip.

=Eutamias umbrinus umbrinus= (J. A. Allen)

_Tamias umbrinus_ J. A. Allen, Bull. Amer. Mus. Nat.
Hist. 3:96, June, 1890.

_Eutamias umbrinus_, Miller and Rehn, Proc. Boston
Soc. Nat. Hist. 30:45, December 27, 1901.

_Type._--Male, adult, skull and skin, No. 186463 U. S. Nat.
Mus., Biol. Surv. Coll.; from Blacks Fork, about 9,500 ft.,
Uinta Mountains, Utah; obtained on September 19, 1888, by
Vernon Bailey; original No. 228.

_Diagnosis._--Size medium; general tone of upper parts dark
and shadowy; skull relatively small.

_Description._--_Color pattern_: Head Pale Smoke Gray; facial
stripes Fuscous Black to Snuff Brown; ear Fuscous Black;
posterior margin of ear and postauricular patch grayish
white; median dorsal dark stripe black with Sayal Brown along
margins; lateral pair of dorsal dark stripes Sayal Brown or
Fuscous Black mixed with Sayal Brown; outermost pair of
dorsal dark stripes nearly absent; sides Sayal Brown mixed
with Cinnamon; rump and thighs Sayal Brown mixed with
Smoke Gray; antipalmar and antiplantar surfaces of feet
Cinnamon-Buff; ventral surface of tail Ochraceous Tawny or
Sayal Brown, with