180 



CITELLUS. 



CYNOMYS. 



Ring-tailed Spermophile. 



I. Adult c? Exch. Nogueras, State of Colima, Mexico. Am, 

 Mus. Nat. Hist. N. Y. A. Buller. 



Genus 105. CyiHuiiys. Prairie-doffs. 



Cynomys Rafin., Am. Month. Ma.Lj., 11. 1817, p. 45. Type Arctomys 



ludovicianns Ord. 

 Anisonyx Rafin., Am. Month. Mag., 11, 1817, p. 45. (nee Latreille, 



1807, Coleopt.) 

 Mouax Warden, Statist. Polit. Hist. Ace. U. S., i, 1819, pp. 225- 



228. 



303. Cynomys ludovicianus (Ord). 



Arctomys ludoviciamis Ord, Guth. Geogr., 2nd Amer. ed., 11, 1815, 



p. 292. 

 Cynomys socialis Ratin., Am. Month. Mag., 11, 1817, p. 45. 

 Cynomys grisea Rafin., Am. Month. Mag., 11, 1817, p. 45. 

 Arctoiuys missouriensis Warden, Desc. Etats Unis, v, 1820, p. 



627. 

 Arctomys latrans Harlan, Faun. Am., 1825, p. 306. 

 Cynomys ludovicianus Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 



II, 1901, p. 102, fig. 23. Zool. Ser. Id. Mamm. Middle Amer. 



Fig. XXIX. Cynomys ludovicianus. Prairie-dog. 



