back and thighs: flanks rusty brown; middle dorsal stripes blackish 

 edged with rufous; outer ones light rufous: light stripes, median 

 pair ashy, outer white. Dark facial stripes black or rusty brown: 

 light ones grayish white or white. Tail, above rusty orange mixed 

 with black; beneath orange bordered and tipped with black, and 

 fringed with pale yellow. 



Measurements. Average total length, 233; tail to end of hairs, 

 97.5: hind foot, 32. 



90. panamintinus. {Tamias). Merr. , Proc. Biol. Soc. Wash., 1893, 



P- 134- 



Type locality. Johnson Canon, Panamint Mountains, California. 



Geogr. Distr. West side of Great Basin in California and Nevada. 



Genl. Char. Similar to T. speciosns of Lower California, but 

 paler: hind foot very short. 



Color. Winter Pelage. Top of head and rump ash gray; dark 

 dorsal stripes dull fulvous; inner pair of light stripes vinaceous drab, 

 outer pair dull white; sides gray tinged with buffy ochraceous. 

 Facial stripes indistinct. Tail, above orange rufous bordered with 

 black and fringed with yellowish; beneath similar, the orange rufous 

 deeper. 



Measurements. Tvpe. Total length. 208: tail vertebra:-, 96; 

 hind foot, 31. 



•91. amoenus. [Tamias), kW&u, Bull. Am. Mus. Nat. Hist., 1890, p. 90. 



Type loealitv. Fort Klamath, Oregon. 



Geogr. Distr. Fort Klamath, Oregon, to Placer county, Cali- 

 iornia, and western Nevada about Lake Tahoe. 



Genl. Char. Similar to T. /rater, but smaller, colors paler. 



Color. .Spring Pelage. Above vinaceous gray ; flanks ochraceous 

 brown ; dark dorsal streaks seal brown edged with rufous ; others 

 chestnut ; light stripes, pale gray ; outermost ones white. Ventral 

 surface white sometimes tinged with yellow. Tail above black and 

 ochraceous ; beneath pale orange yellow, edged and tipped with 

 black, tips of hairs ochraceous yellow. 



Brreiiing Pelage. Colors much paler : vinaceous of upper parts 

 gone : the stripes are yellowish : flanks pale rufous : tail above pale 

 buff. 



Measurements. Total length, 207; tail vertebra, 70; hind foot, 30. 



■92. caurinus. ('Tamias), Merr.. Proc. Acad. Nat. Scien. Phil.,i8g8, 



P- 352- 

 Tvpe loealitv. Solduck Trail, Olympic Mountains, Washington. 

 Geogr. Distr. Olympic Mountains, Washington, timber line. 

 Genl. Char. Similar to T. amanus, hind feet longer. 



