Color. Post /irciJint^ Pe/ai^i-. General color olivaceous rufous 

 with a 3'ellow tinge ; flanks deeper. Black dorsal stripes five : outer 

 ones shortest : outer pair of light stripes, gray. Facial markings of 

 usual pattern. Ears blackish/ grayish spot behind base of ear. Ven- 

 tral surface grajish white. Tail above black fringed with white : be- 

 neath bright chestnut, bordered with black and fringed with white. 



Bict'ding Pelage. Tints paler, lightest dorsal stripes, gray. 



Measurements. Total length, 257: tail vertebrju, 107: hind foot, },^. 



n. — hindsu. [Tatnias], Gray, Ann. & Mag. Nat. Hist., 1842, p. 264. 



Type locality. Nicasio? California. 



Geogr. Distr. Coast of California from San Francisco north. 



Genl. Char. Similar to S. iownscndi. but much darker : lightest 

 dorsal stripes whitish : post-auricular patch conspicuous. 



Color. Posi-hrceding Pelage. Above cinnamon rufous : median 

 pair of light stripes like ground color, outer pair whitish : \entral sur- 

 face white washed with buff. 



Breeiling Pelage. Above dark reddish brown, mixed with gray ; 

 brighter red on flanks, darker gray on rump, thighs and shoulders. 

 Dark dorsal stripes five, outer pair usually hardly traceable : median 

 stripe edged with chestnut rufous ; median pair of light stripes mixed 

 rufous and gray : outer pair whitish ; facial stripes strongly contrasted. 

 Ear dusky brown anteriorly, silver}' graj' posteriorly. Post auricular 

 patch small, pale gra}'. Ventral surface white. Tail above blackish, 

 beneath reddish chestnut, bordered with black and fringed with white. 



Measurements. Total length, 264: tail vertebra^ no; hind foot, 

 34 ; ear, 11. 



b.—pricp.i. [Tamias), .Mien, Bull. Am. Mus. Nat. Hist., 1895, p. 333 



Type locality. Portola, San Mateo county, California. 



Geogr. Distr. Coast region of California from Mountains of San 

 Diego and San Bernardino county north to San Francisco. 



Gent. Char. Intermediate in size and color between T. liindsii 

 and T. mcrriami. 



Color. Breeding Pelage. Above grayish brown, varied with 

 hazel. Flanks tawny; dorsal stripes — five hazel and black, four 

 ashy-graj*. Shoulders aud thighs grayish; under parts whitish. 

 Light facial stripes gray; dark ones hazel brown; post-auricular 

 patches small, grayish white. Tail, above mixed clay color, and 

 black and gra3-ish: beneath dark reddish cht-stnut bordered with 

 black and fringed with gray. 



Measurements. Average total length. 252; tail vertebra.-, 119; 

 hind foot, 35. 



