CITELLUS., 149 
macrourus (Spermophilus), Bennett, Proc. Zodl. Soc., 1833, p. 41. 
buccatus Licht., Abh. K. Akad. Wiss. Berl., 1827, p. 115. 
LONG-TAILED SPERMOPHILE. 
Type locality. ‘California adjoining Mexico.’’ State of Jalisco? 
Geogr. Distr. State of Jalisco, Mexico. (J. A. Allen.) 
Genl. Char. Size large, color dark. 
FiG. XXXI. CITELLUS (OTOSPERMOPHILUS) VARIEGATUS. 
LONG-TAILED SPERMOPHILE. 
Color. Above mixed black and brownish gray; crown black; lips 
and chin ferrugineous; under parts ferrugineous varied with black; 
tail black washed with white, with an irregular black border edged 
with whitish, and subapical black band. 
Measurements. Total length, 470-485; tail vertebrae, 178; to 
end of hairs, 216; hind foot, 56-63. Skull: occipito-nasal length, 65; 
Hensel, 53; zygomatic width, 39.5; interorbital width, 16.5; palatal 
length, 31; length of upper molar series, 13.5. 
a.—srammurus (Sciurus), Say, Long’s Exped. Rocky Mts., u, 
1823, p. 72. 
coucht Baird, N. Am. Mamm., 1855, p. 311, pl. 81. 
grammurus (Spermophilus) Elliot, Syn. N. Am. Mamm., rgor, p. 88. 
BUSHY-TAILED SPERMOPHILE. 
Type locality. Purgatory Creek, Colorado, lat. 37° 32’; long. 
lon go’, 
Geogr. Distr. State of Sonora, Mexico, north to Parks of Central 
Colorado. 
Genl. Char. ‘Tail long, full, bushy; ears large; body large, stout; 
soles of feet smooth. 
Color. Crown speckled black and white, or brown, black and 
white; above gray, mottled with brownish white and black, washed 
posteriorly with brown; sides of neck and flanks purer gray; inside 
of limbs brownish*white or buff; under parts pale yellowish white; 
