294 BULLETIN 79, UNITED STATES NATIONAL MUSEUM. 



Genus CYNOMYS Rafinesque. 



1817. Cynomys Rafinesque, Amer. Monthly Magazine, vol. 2, 

 p. 45. November, 1817. Type, The Barking Squirrel of Lewis 

 and Clark = Arctomys Ivdovicianus Ord. 



*Cynomys arizonensis Mearns. 



1890. Cynomys arizonensis Mearns, Bull. Amor. Mus. Nat. Hist., 



vol. 2, p. 305. February 21, 1890. 

 Type Locality. — Point of Mountain, near Wilcox, Cochise 

 County, Arizona. 



t*Cynomys gunnisoni (Baird). 



1855. Spermophilus gunnisoni Baird, Proc. Acad. Nat. Sci. 



Philadelphia, vol. 7, p. 334. April, 1855. 

 1857. Cynomys gunnisoni Baird, Mamm. N. Amer., p. 335. 

 1885. Cynomys columbianus True, Proc. U. S. Nat. Mus., vol. 7 



(1884), p. 593. 1885. 



1890. Cynomys gunnisoni Merriam, North Amer. Fauna, No. 3, 

 p. 58. September 11, 1890. 



1891. Cynomys gunnisoni Merriam, North Amer. Fauna, No. 5, 

 p. 40. July 30, 1891. 



Type Locality. — Cochetopa Pass, Saguache County, Colorado. 



t*Cynomys leucurus Merriam. 



1890. Cijnomys leucurus Merriam, North Amer. Fauna, No. 4, 



p. 33. October 8, 1890. 

 Type Locality. — Fort Bridger, Sweetwater County, Wyoming. 



According to Allen (Bull. Amer. Mus. Nat. Hist., vol. 10, pp. 455-456, 

 November 10, 1898), this should stand as Cynomys lewisii {Arctomys lewisii 

 Audubon and Bachman, Quadr. N. Amer., vol. 3, p. 32, 1853; type locality, 

 "Oregon"). 



*Cynomys ludovicianus (Ord). 



1815. Arctomys ludovicianus Ord, Guthrie's Geography, 2d 



Amer. ed., vol. 2, p. 292. Description on page 302. 

 1857. Cynomys ludovicianus Baird, Mamm. N. Amer., p. 331. 

 1885. Cynomys ludovicianus True, Proc. U. S. Nat. Mus., vol. 7 



(1884), p. 593. 1885. 

 Type Locality. — "Missouri and throughout Louisiana." 



t* Cynomys mexicanus Merriam. 



1892. Cynomys mexicanus ^l:Enm.AU, Proc. Biol. Soc. Washington, 

 vol. 7, p. 157. July 27, 1892. 



Type Locality. — La Ventura, State of Coahuila, Mexico. 



* Cynomys parvidens iVllen. 



1905. Cynomys parvidens Allen, Mus. Brooklyn Acad. Arts and 



Sci., Science Bull., vol. 1, p. 119. March 31, 1905. 

 Type Locality. — Buckskin Valley, Iron County, LTtah. 



