1d TAMIAS, 
98. obscurus (Jamas), Allen, Bull. Am. Mus. Nat. Hist., 1890, 
Pp. 79: 
LOWER CALIFORNIA CHIPMUNK, 
Type locality, San Pedro Martir Mountains, Lower California, 
Mexico, 
Geogr, Distr, San Pedro Martir and Hanson Laguna Mountains, 
Lower California, Mexico, 
Genl, Char, Size small; pelage soft, color dark. 
Color, Post-breeding Pelage. Above dark brownish gray; five 
indistinet dorsal stripes dull chestnut, posterior half of median one 
blackish; intermediate light stripes whitish gray; central portion of 
flanks yellowish brown; shoulders, arms, thighs, and legs like upper 
parts; top of head blackish gray; ears similar, with large white 
patches at base; sides of face whitish, with three chestnut stripes 
from nose to ears; under parts whitish; tail above black or dark 
brown washed with black, beneath rufous edged with black and with 
white hairs intermingled; hands like arms; feet buffy or brownish 
gray, 
Winter Pelage, Dull; light stripes on dorsal region very faint, 
almost obsolete; dark stripes also faintly perceptible; upper parts 
iron gray tinged with brown, with the light gray stripes, and darker 
brown ones faintly indicated; middle of sides fulvous; top of head 
like back; two white stripes on sides of face, one from tip of nose 
over and beyond eye, the other from beneath eye to base of ear; 
shoulders and sides like back; upper parts of arms and hands, legs 
and feet paler brownish or brownish gray; under parts white, plum- 
beous of under fur showing through; tail above black, beneath in 
center dark rufous, bordered with black and edged with yellowish 
white; anal region very dark rufous, 
Measurements, Total length, 230; tail vertebra, 80-103; hind 
foot, 32-34. Skull: occipito-nasal length, 37; Hensel, 16; zygomatic 
width, 20; interorbital width,.8; palatal length, 15.5; length of upper 
molar series, 5.5. 
00, bulleri (7amias), Allen, Bull. Amer, Mus. Nat. Hist., 1889, 
Pp. 73: 
MEXICAN CHIPMUNK, 
I'ype locality, Sierra de Valparaiso, State of Zacatecas, Mexico. 
Geogr, Distr, State of Zacatecas, Mexico, 
Genl, Char, Similar to 7, merrtamt, Ears tricolor; black patch 
between eye and ear, 
Color, Upper parts and sides pale gray tinged with buff; five 
dark dorsal stripes, three distinct, the three median ones seal brown 
