FIELD BOOK OF MAMMALS 



County to Monterey County, inclusive . . . ." (Grin- 

 nell) 



Kem Basin Chipmunk. — Eutamias merriami kernensis Grinnell 

 and Storer, 

 Similar to typical merriami but even grayer; ashy gray on 

 sides of head and neck; dorsal stripes narrow; underside of 

 tail ochraceous tawny. Measurements same as for typical 

 merriami. Found in Kern and Tulare Counties, California, 

 at altitudes from 2,000 to 7,000 feet, Upper Sonoran and 

 Transition Zones. 



Gila Chipmunk; Cliff Chipmunk. — Eutamias dorsalis dorsalis 

 (Baird). Plate XXIV. 

 A good-sized form with only one prominent dark stripe. 

 Upperparts grizzled gray, blackish and tawny; median dark 

 stripe brownish black to blackish, other dark stripes so 

 faint as to be almost indistinguishable; light stripes only 

 faintly defined, mixed with general color of upperparts; 

 facial stripes and small ear patch well-defined light gray; 

 sides of neck and body tawny; tail above, mixed black, 

 yellowish and white, below, ochraceous tawny banded with 

 black and edged with white; underparts white. Total 

 length, 9.5 inches; tail vertebrae, 4.3 inches; hind foot, 1.4 

 inches. Found in mountains of western New Mexico and 

 of Arizona. 



Utah Cliff Chipmunk. — Eutamias dorsalis utahensis Merriam. 

 Resembling typical dorsalis but smaller, paler, and with less 

 black in dorsal stripe. Color pattern subdued as in typical 

 dorsalis, stripes inconspicuous, three dark stripes and four 

 light ones discernible ; upperparts mixed gray and buff ; sides 

 tawny; underside of tail fulvous; underparts white. Total 

 length, 9 inches; tail vertebrae, 4.1 inches; hind foot, 1.3 

 inches. Found in "Utah, eastern Nevada, northern Ari- 

 zona, and northwestern Colorado, in the Upper Sonoran and 

 Transition Zones." (Warren) 



Amoenus Group 



Klamath Chipmunk. — Eutamias amcenus amoenus (Allen). 

 A conspicuously striped form with rich coloration. Five 

 dark and four light stripes well defined; three inner dark 

 stripes black, sprinkled with rufous, outer pair of dark 

 stripes much shorter and mixed with color of sides; inner 

 pair of light stripes grizzled grayish, outer pair white; facial 

 stripes conspicuous; ears small, ear patch dull gray; crown 

 of head mixed gray, rufous, and black; sides warm rufous 

 (richest in summer pelage); feet washed with tawny; tail 

 above, mixed black and warm buff, below, ochraceous black 

 and warm buff; underparts whitish, more or less suffused 

 with warm buff. Total length, 8.5 inches; tail vertebras, 3.8 

 inches; hind foot, 1.3 inches. Found in Transition and 

 Boreal Zones from northwestern California north through 

 central and eastern Oregon and Washington. Plate XXIV. 



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