stripes. Ferruginous color has nearly disappeared from the dark 

 dorsal stripes and flanks, the latter suffused with pale yellowish 

 brown. 



Measuremctits. Total length, 234; tail vertebrae, 91; hind foot, 32. 



88. callipeplus. yTiimias), Merr., Proc. Biol. Soc. Wash., 1893, 



p. 136. 



Type locality. Mount Pinos, Ventura county, California. 



Geogr. Dislr. Mount Pinos and head waters of Yule River, 

 north nearly to the Yosemite Vallej'. 



Genl. Char. Similar to T. speciosiis, but thighs and rump yellow- 

 ish instead of gray, and inner pair of light dorsal stripes vinaceous 

 drab instead of gray. 



Color. Winter Pelage. Top of head, nape and inner pair of 

 light dorsal stripes vinaceous drab, shoulders ochraceous, flanks 

 fulvous, thighs and rump yellowish; central dorsal stripe dark umber 

 brown edged with rusty, inner pair dark ferruginous, outer pair ful- 

 vous; post-auricular patches large, white: facial stripes dark; tail 

 orange rufous bordered with black and fringed with yellow; under 

 parts pure white. 



Afeasiiremenls. Total length, 212; tail vertebra', 91.7; hind 

 foot, 34. 



a.—inyoensis. {Eutamias), Merr., Proc. Biol. Soc. Wash., 1897, p. 208. 



Type locality. White Mountains, Inyo County, California. 



Geog. Distr. Summits of White and Inyo Mountains, California. 



Genl. Char. Similar to T. speciosus, but rump grizzled golden 

 yellow. 



Color. Top of head grizzled grayish; dark dorsal stripe black 

 and rusty: outer pair light stripes white: sides bright fulvous; back 

 and sides of neck grayish white; rump golden yellow and black; feet 

 fulvous. Tail, above yellow ochraceous and black; below fulvous 

 bordered with black. 



Measurements. Average total length, 229: tail vertebr;r, 100; 

 hind foot, 33.3. 



89. frater. (Tamias), Allen, Bull. Am. Mus. Nat. Hist., 1890, p. 88. 



Ty/>e locality. Sierra Nevada Mountains, Placer county, Cali- 

 fornia. 



Geogr. Distr. Western Nevada to central California and region 

 of Lake Tahoe. 



Genl. Char. Size large; post-auricular patches large, white; 

 tail deep orange. 



Color. Breeding Pelage. .\bove pale gray, darker on lower 



