citbllus. 103 



Perote Spermophile, 



Type locality. Perote, State of Vera Cruz, Mexico. 



Geogr. Distr. State of Vera Cruz, Mexico, extreme eastern border 

 of tableland. Altitude, 8,000 to 10,000 feet. 



197. Citellus neglectus (Merriam). 



Spermophilus neglectus Merr., N. Am. Faun., No. 2, 1889, p. 17. 

 Elliot; Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 98. 

 Zool. Ser. 

 Neglected Spermophile. 



Type locality. Dolan's Springs, Mohave County, Arizona. 

 Geogr. Distr. Arizona. 



193. Citellus chlorus Elliot. 



Citellus chlorus Elliot, Pub. Field Columb. Mus., iii, 1903, p. 242. 

 Zool. Ser. 

 Pale Spermophile. 



Type locality. Palm Springs, Riverside County, California. 



Geogr. Distr. Riverside and San Diego Counties, California. 



Genl. Char. Size equal to C. tereticaudus , color entirely different. 

 Skull heavy, tail long. 



Color. Entire upper parts and sides olive gray with a brownish 

 sheen in certain lights; upper parts of arms and thighs olive gray; 

 entire under parts grayish white; hands brownish, feet whitish; tail 

 above, basal half like back, slightly more brownish, apical half 

 blackish mixed with brown and edged with white, -beneath pale brown 

 margined narrowly with black and fringed with white; ears very 

 small, blackish. 



Measurements. Total length, 255; tail vertebrae, 100; hind foot, 

 37; ear, 8. Skull: total length, 32; Hensel, 30; interorbital width, 8; 

 zygomatic width, 22; width of braincase, 18; length of nasals, 8; 

 palatal length, 17; length of upper tooth row, 7; length of mandible, 

 24; length of lower tooth row, 6.5. 



199. Citellus mexicanus (Erxleben). 



Sciurus mexicanus Erxl., Syst. Regn. Anim., i, 1777, p. 428. 

 Citellus mexicanus Licht., Darst. Neu. oder" wenig bekannt. 



Saugeth., 1830, pi. 31, fig. 2. (ex Toluca.) Elliot, Mamm. 



Middle Amer. & W. Indies, F. C. M. Pub., iv, Pt. i, 1904, 



p. 146. Zool. Ser. 

 Spermophilus mexicanus Elliot, Syn. N. Am. Mamm., F. C. M. 



Pub., II, 1901, p. 98, Zool. Ser. 

 Mexican Spermophile. 



Type locality. Toluca, Mexico. 

 Geogr. Distr. South Central Mexico. 



