794. MONOGRAPHS OF NORTH AMERICAN RODENTIA. 
Var. TOWNSENDI. 
Townsend’s Chipmunk, 
Tomias townsendi BACHMAN, Journ. Acad, Nat. Sci. Phila. viii, 1839, 68; Townsend’s Narrative, 1839, 321.— 
Waaner, Wiegmann’s Archiv, 1343, pt. ii, 44.—AuDUBON & BacHMAN, Quad. N. Am. i, 1849, 
159, pl. xx.—BarrD, Mam. N. Am. 1857, 300, pl. xlv, fig. 4 (skull); pl. v, fig. 2 (“‘ var. cooperi” ; 
animal).—CoopEr, Nat. Hist. Wash. Territory, pt. iii, 1859, 80.—SucKLEy, ib. 97, 122.— 
Gray, Ann. and Mag. Nat. Hist. 3d ser. xx, 1867, 435. 
Tamias townsendi var. coopcri BAIRD, Mam. N. Am. 1857, pl. v (name on plate). 
Tamias hindsii Gray, Aun. and Mag. Nat. Hist. x, 1842, 264; Zo6l. Voy. of Sulphur, 1844, 34, pl. xii, fig. 1; 
Ann. and Mag. Nat. Hist. 3d ser. xx, 1567, 435. 
Tamias cooperi BAtRD, Proc. Acad. Nat. Sci. Phila. vii, 1855, 334; Mam. N. Am. 1857, 301, foot-note. 
Tamias quadrimaculatus Gray, Ann. and Mag. Nat. Hist. 3d ser. xx, 1867, 435. 
Var. DORSALIS. 
Gila Chipmunk, 
Tamias dorsalis BatrD, Proc. Acad. Nat. Sei. Phila. vii, 1855, 332; Mam. N. Am. 1557, 300, pl. xlvi, anima] ; 
U.S. and Mex. Bound. Survey, ii, pt. ii, 1859, 37.—Gray, Ann. and Mag. Nat. Hist. 3d ser, 
xx, 1867, 436.—Cougs, Amer. Nat. i, 1867, 358; Proc. Acad. Nat. Sci. Phila. 1867, 134 (Arizona). 
Tamiag quadrivittatus var. dorsalis ALLEN, Proc. Bost. Soc. Nat. Hist. xvi, 1874, 290.—CovuEs & YARROW, 
Wheeler’s Expl. and Surv. West of 100th Merid. v, Zo6l. 1876, 119. 
Var. BOREALIS. 
Northern Chipmunk. 
VARIETAL CHARS.—Size of var. ¢ownsendi or smaller. Length of head 
and body 5.50; of tail to end of vertebrae 3.92 ; to end of hairs 5.00 (Pallas). 
Above, pale yellowish-gray, with a faint wash of brownish-fulvous on the 
sides; back with five lines of black, alternating with four lines of yellowish- 
gray, all of nearly equal breadth and rather sharply defined; beneath, gray- 
ish-white ; sides of the head with two narrow lines of grayish-white extending 
from the nose to the ear, separated by a brownish-black stripe; a narrow , 
blackish-brown stripe above the light ones, and another below them. The 
middle black stripe of the back extends from the occiput to the base of the 
tail. The next on either side begins at the front edge of the shoulder and 
extends also nearly or quite to the base of the tail; the outer on either side 
extends only from the posterior edge of the shoulder to the hip. The black 
stripes are either not at all or only very faintly edged with pale rufous. The 
tail above is blackish, with the hairs pale yellowish. at base, crossed by a sub- 
terminal bar of black and tipped with white. The lower surface of the tail 
is pale yellowish centrally, with a subterminal border of black edged with 
yellowish-white. 
Hasrrar.—Northeastern Europe, Northern Asia, and Northwestern North 
