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)! 



Sperynophilus 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. 

 Kenxicott's Sper.mophile. 



Type locality. Western Nebraska. 



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

 westward to Utah. 



191. Citellus spilosoma (Bennett). 



S pernio philus spilosoma Bennett. Proc. Zool. Soc. 1833, p. 40. 



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



Zool. Ser. 

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



]). 42, pi. cix. 

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



F. C. M. Pui).. \\ . Pt. I. 1904, ]). 145. Zool. Ser. 

 Spotted Sper.mophile. 



Type locality. California near Mexican boundary. 



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



a. Citellus spilofioiini DiucroHpiloius (.Merriam). 



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



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



1 90 1, p. 96, fig. 21. Zool. Ser. (Misprinted micros pilotiis.) 

 Citellus spilosoma macrospilotus Elliot, Mamm. Middle Amer. & 



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



Ser. (Misprinted micros pilotiis.) 

 Spotted Sper.mophile. 



Type locality. Oracle, Pinal County! Arizona. 



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



h. Ciifllun spilo.<ionirf iiutjoT (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. 



