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., 

 n, 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., n, 1901, p. 96. 



Zool. Ser. 

 Spermophilus mexicanus Aud. & Bachm., Quad. N. Am., in, 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. J'tft'llns spilosoinn maerospilotus (Merriam). 

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



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



1901, p. 96, fig. 21. Zool. Ser. (Misprinted micros pilot us.} 

 Citellus spilosoma maerospilotus Elliot, Mamm. Middle Amer. & 



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



Ser. (Misprinted micros pilot us.} 

 SPOTTED SPERMOPHILE. 



Type locality. Oracle, Final County, Arizona. 



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



b. ("iteTlus spilosonifi major (Merriam). 



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

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

 p. 96. Zool. Ser. 



