104 CITELLUS. 



a. Citelhis nicxicdiins paTvidens (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). 



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



1821, p. 248. 

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

 Spennophilus tridecemliueatus! 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. 



(I. Cif('lhi.'< tredeci nili ix'afiis /xd/idjis (Allen). 



Spermophilus tridecem.lineattis! pallid us Allen, Mon. N. Am. Rod., 

 1877, P- 872. Elliot, Syn. N. Am. Mamm., F. -C. AI. 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. CiteJhiH tredecimUncdtTis oliiytceus (Allen). 

 Spermophilus tridecemliueatus! 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. 



c. CitelhiH iredcci iiili iiraf IIS pa/riis (Allen). 



Sperm.ophiliis tridecemliueatus! parvus Allen, Bull. Am. Mus. Nat. 

 Hist. N. Y., 1895, P- 337- Elliot, S\-n. X. Am. Mamm., 

 F. C. M. Pub., 11, 1901, p. 100. Zool. Ser. 



