MAMMALS OF THE MEXICAN BOUNDARY. 295 



EUTAMIAS MERRIAMI (Allen). 

 MERRIAM CHIPMUNK. 



Tamias asiaticus riierriuiiii Allen, Bull. Am. AIus. Nat. Hist.. 11, No. .3, 



Oct. 21, 1889. p. 170; III. 18!)0, p. 84. 

 E[iit(imias]nier)iaiiii. ]Mkrrl\m. Proc. P.iol. Soo. Washiuirton. XI. p. 1!)1. 



July 1, 1897. 

 Eutamias merriaiiii. Miller and Rehn, Proc. Bost. Soc. Nat. Hist.. XXX, 



No. 1. Dec. 27. 1901, p. 41 (Syst. Uesults Study N. Am. .Mam. to dose of 



1900). 

 [Taiiiids] Dicrriami, Elliot, Field Col. Mus., Zool. Ser., II. 1901, ]>. 71 



(Synop. Mam. N. Am.) ; IV. 1904, p. 187 (Mam. Mid. Am.). 



Ty2)e-locality. — San Bernardino jNIountains, southern C^ilifornia. 

 (Type, No. 1157, American Museum of Natural History.) 



Geographical range. — Upper Sonoran and Transition /ones of 

 mountains of southern California, and the adjacent portion of Lower 

 California. 



Description.'^ — Size large; ears hioh and pointed; tail long and 

 rather bushy. Pelage rather coarse. As usual, the winter pelage is 

 grayish, and the post-breeding ])elage reddish. Spring specimens 

 are olive-gray above, with many yelloAvish hairs admixed; sides yel- 

 lowish fulvous. Five dark dorsal stripes are indicated, though the 

 central one. which is practically continuous from the head to the 

 root of the tail, is the only one that is sharply defined and black, the 

 two outer ]>airs l)ecoming obsolete and brownish. Inner pair of light 

 stripes pale gray, mixed with yellowish; outer pair light silvery 

 gray — almost white. Pelage of upper surface plumbeous-lilack at 

 base. Post-auricular patches small and whitish. Tail above l)lack- 

 ish, with gray tips and yellowish subterminal bands to the hairs; 

 below, central area reddish chestnut, paler at the edges, and bortlered 

 with a broad l)and of l)lack. the latter fringed with grayish white. 

 Ventral surface white, showing grayish between the Avhite tips of the 

 hairs. Feet and hands, rusty yellowish gray. Ears with outer sur- 

 face rusty brown anteriorly and grayish posteriorly; inner surface 

 pale yellowish gray. 



The post-breeding pelage is shorter and coarser, and has the gray- 

 ish tints of the upper surface, except on rump and outer aspect of 

 thighs, replaced by tawny-olive, russet, and cinnamon. The dorsal 

 stripes are more clearly defined; the middle pair of lateral dark 

 stripes is quite a little black. The sides vary in color with the 

 individual from taAvny-olive to cinnamon. As usual, the pelage of 



a Based en specimens from on or near the Mexican Line, collec-ted by the Inter- 

 national Boundary Commission. 



