104 CITELLUS. 



a. Citellus mexicanus pajwidens (Mearns). 



Spermophilus mexicanus parvidens Mearns, Proc. U. S. Nat. Mus., 

 XVIII, 1896, p. 443. Elliot, Syn. N. Am. Mamm,, F. C. M. 

 Pub., II, 1901, p. 99. Zool. Ser. 

 Citellus mexicanus parvidens Elliot, Mamm. Middle Amer. & W. 

 Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 146. Zool. Ser. 

 Small-toothed Spermophile. 



Type locality. Fort Clark, Kinney County, Texas. 

 Geogr. Distr. Texas into Mexico. 



Subgenus C. Ictidomys. 

 200. Citellus tredecimlineatus (Mitchill). 



Sciurus tridecemlineatus (sic) Mitch., Lond. Med. -Repos., N. S., 



1821, p. 248. 

 Arctomys hoodi Sabine, Trans. Linn. Soc, 1822, p. 590, pi. 29. 

 Spermophilus tridecem-lineattisf Elliot, Syn. N. Am. Mamm., 

 F. C. M. Pub., II, 1901, p. 100, fig. 22. Zool. Ser. 

 13-STRIPED Spermophile. 



Type locality. Upper Mississippi. Central Minnesota? 

 Geogr. Distr. Central North America; eastern Michigan to Mon- 

 tana and Colorado, and central Texas north to Saskatchewan Plains 

 in Canada, and in prairie region of the Mississippi from Ohio to 

 Minnesota. 



a. Citellus tredecimlineatus pallidus (Allen). 

 Spermophilus tridecemlineatus! pallidus Allen, Mon. N. Am. Rod., 



1877, p. 872. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 

 1901, p. 100. Zool. Ser. 

 Pallid Spermophile. 



Type locality. Plains of the lower Yellowstone River. 

 Geogr. Distr. Wyoming south to Texas and east to Missouri, on 

 the plains and desert regions. 



b. Citellus tredeciinlineatus olivaceus (Allen). 

 Spermophilus tridecemlineatus! olivaceus Allen, Bull. Am. Mus. 



Nat. Hist. N. Y., 1895, p. 337. Elliot, Syn. N. Am. Mamm., 

 F. C. M. Pub., II, 1901, p. 100. Zool. Ser. 

 Olivaceous Spermophile. 



Type locality. Custer, Black Hills, South Dakota. 



Geogr. Distr. South Dakota. , 



G. Citellus tredecimlineatus parvus (Allen). 



Spermophilus tridecemlineatus! parvus Allen, Bull. Am. Mus. Nat. 

 Hist. N. Y., 1895, P- 337- Elliot, Syn. N. Am. Mamm., 

 F. C. M. Pub., II, 1901, p. 100. Zool. Ser. 



