citellus. 99 



Nelson's Spermophile. 



Type locality. Tipton, San Joaquin Valley, Tulare County, Cali- 

 fornia. 



Geogr. Distr. South central California. 



Subgenus B. Xerospermophilus. 



190. Citellus obsoletus (Kennicott). 



Spermophilus obsoletus Kennicott, Proc. Acad. Nat. Scien. Phil., 

 1863, p. 157. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 

 II, 1901, p. 95. Zool. Ser. 

 Kennicott's Spermophile. 



Type locality. Western Nebraska. 



Geogr. Distr. Black Hills, South Dakota into Nebraska and 

 westward to Utah. 



191. Citellus spilosoma (Bennett). 



Spermophilus spilosoma Bennett, Proc. Zool. Soc, 1833, p. 40. 



Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 96. 



Zool. Ser. 

 Spermophilus mexicanus Aud. & Bachm., Quad. N. Am., iii, 1853, 



p. 42, pi. cix. 

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



F. C. M. Pub., IV, Pt. I, 1904, p. 145. Zool. Ser. 

 Spotted Spermophile. 



Type locality. California near Mexican boundary. 



Geogr. Distr. New Mexico and Texas south into Sonora, Mexico. 



a. Citellus spilosoma macrospilotus (Merriam). 

 Spermophilus spilosoma macrospilotus Merr., N. Am. Faun., No. 4, 



1890, p. 38. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 



1901, p. 96, fig. 21. Zool. Ser. (Misprinted micros pilotus.) 

 Citellus spilosom,a macrospilotus Elliot, Mamm. Middle Amer. & 



W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 145, fig. 25. Zool. 



Ser. (Misprinted micros pilotus.) 

 Spotted Spermophile. 



Type locality. Oracle, Pinal County, Arizona. 



Geogr. Distr. Southern Arizona into State of Sonora, Mexico. 



b. (Jitellus spilosonid tnajor (Merriam). 



Spermophilus spilosoma major Merr., N. Am. Faun., No. 4, 1890, 

 p. 39. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, 

 p. 96. Zool. Ser. 



