FIELD BOOK OF MAMMALS 



rump grayish. Measurements about as in typical town- 

 sendii. Found in Cascade Mountains of Washington where 

 it has been taken in Skamania and Kittitas Counties and 

 about Mt. Ranier at elevations of 4500 and 5500 feet. 



Redwood Chipmui^k. — Eutamias townsendii ochrogenys Mer- 

 riam. 

 Somewhat similar to typical townsendii, but duller colored, 

 with less conspicuous striping; underparts not white. 

 Upperparts grizzled olive-gray and golden; dark stripes 

 brownish black, outer pair of dark stripes very faint; outer 

 light stripes grayish, inner pair almost same tone as un- 

 striped upperparts; ear patch grayish; cheeks and sides of 

 nose ochraceous; underparts washed with buffy. Total 

 length, 10.5 inches; tail vertebrae, 4.6 inches; hind foot, 1.52 

 inches. Found in California in "narrow, humid northwest 

 coast strip (Transition and Boreal Zones) from the Oregon 

 line south to Cazadero, Sonoma County; interiorly as far as 

 Cuddeback, Humboldt County, and Sherwood, Mendocino 

 County." (Grinnell) 



Siskiyou Chipmunk. — Eutamias townsendii siskiyou Howell. 

 Differing from ochrogenys in grayer coloration; light dorsal 

 stripes grayish; sides of head and face with less ochraceous; 

 underparts only faintly washed with buff. Total length, 

 10.7 inches; tail vertebrae, 4.2 inches; hind foot, 1.46 inches. 

 Found in "the Siskiyou Mountain region of northern Cali- 

 fornia and southern Oregon, ranging north to the upper 

 Rogue River Valley, Oregon." (Howell) 



Allen Chipmunk. — Eutamias townsendii senex (Allen). 



Resembling siskiyou but grayer, especially on rump and 

 thighs; underparts white. Upperparts grizzled grayish, 

 sides washed with fulvous or rufous; outer light stripes 

 grayish white, inner grizzled gray and fulvous; inner dark 

 stripes blackish, mixed with rufous; outer stripes rufous; 

 face markings rufous and whitish; ear patch gray; feet 

 tinged with buffy ; tail edged with whitish. Total length, 10 

 inches; tail vertebras, 4.3 inches; hind foot, 1.44 inches. 

 Found from Mariposa County, California, north along 

 Boreal Zone of Sierra Nevada and Cascade ranges to Crook 

 County, Oregon. 



Sonoma Chipmunk. — Eutamias townsendii sonomce (Grinnell). 

 Intermediate in color of underparts between typical town- 

 sendii and ochrogenys; brighter above than ochrogenys, more 

 conspicuously striped. Upperparts bright cinnamon-rufous ; 

 median dorsal stripe black, outer dark stripes mixed with 

 rusty; light-colored stripes gray obscured with rusty, outer 

 pair of light stripes clear ashy gray ; sides cinnamon-rufous, 

 ear patch clear white; underparts white, sometimes with 

 creamy wash on mid- ventral region. Total length, 10 inches ; 

 tail vertebrae, 4.5 inches; hind foot, 1.44 inches. Found 

 in California in Mendocino, Solano, Sonoma, Trinity, and 

 Yolo counties at elevations of 500 to 6,000 feet. 



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