98 citellus. 



Lower California Spermophile. 



Type locality. San Telmo, Lower California, Mexico. 

 Geogr. Distr. Lower California, Mexico; range unknown. 



187. Citellus vinnulus Elliot. 



Citellus vinnulus Elliot, Pub. Field Columb. Mus., iii, 1903, p. 241. 

 Zool. Ser. 

 Charming Spermophile. 



Type locality. Keeler, Owens Lake, Inyo County, California. 



Geogr. Distr. Panamint, Coso, and Inyo Mountains to Keeler, 

 Owens Lake, Inyo County, California. 



Genl. Char. Similar to C /. peninsulce, but body and tail beneath 

 white instead of pale yellow. Generally darker than C. leucurus, with 

 smaller hind feet. 



Color. Top of head and upper parts mixed black and vinaceous, 

 the latter hue predominating; nape and between shoulders grayish; 

 two white stripes from shoulders to rump; shoulders, top of fore legs 

 and feet to toes, thighs and upper surface of hind legs and feet vinaceous; 

 toes white on fore feet, buffy vinaceous at tips of hind feet; sides and 

 face and neck and entire under parts of body, legs and feet silvery 

 white, base of fur plumbeous; tail above on basal third like back, 

 remainder black with white hairs intermingled, and edged with white, 

 beneath white with a subapical black bar. 



Measurements. Total length, 215; tail vertebrae, 66; hind foot, 

 38.5; ear, 12. Skull: total length, 37.3 ; Hensel, 30; zygomatic width, 

 19; interorbital constriction, 10; length of nasals, 10.5; palatal length, 

 12; length of upper tooth row, 7; length of mandible, 22; length of 

 lower tooth row, 7. 



188. Citellus interpres (Merriam). 



Tamias interpres Merr., N. Am. Faun., No. 4, 1890, p. 21. 

 Spermophilus interpres Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 



II, 1901, p. 86. Zool. Ser. 

 Citellus interpres Elliot, Mamm. Middle Amer. & W. Indies, 



F. C. M. Pub., IV, Pt. I, 1904, p. 143. Zool. Ser. 

 Trader Spermophile. 



Type locality. El Paso, El Paso County, Texas. 



Geogr. Distr. State of Chihuahua, Mexico, north to Utah. 



189. Citellus nelsoni (Merriam). 



Spermophilus nelsoni Merr., Proc. Biol. Soc. Wash., viii, 1893, 

 p. 129. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, 

 p. 87. Zool. Ser. 



