MILLER AND REHN: NORTH AMERICAN MAMMALS. 57 
1898. Sperjnophiliis variegatus Nelson, Science, n. s., viii, p. 
898. December 23, 1898. 
Type locality.— South-central Mexico. 
Spermophilus wortmani (Allen). 
1895. Tcmiias wortmani Allen, Bull. Amer. mus. nat. hist., 
VII, p. 335. November 8, 1895. 
Type locality.— Kinney Ranch, Bitter Creek, Sweetwater 
County, Wyoming. 
Genus CYNOMYS Rafinesque. 
1817. Cynomys Rafinesque, Amer. monthly magazine, ii, p. 
45. November, 1817. Type. — The Barking Squirrel of Lewis 
and Clark = Arctomys ludovicianns Ord. 
Cynomys arizonensis Mearns. 
1890. Cynomys arizoiiensis Mearns, Bull. Amer. mus. nat. 
hist., II, p. 305, February 21, 1890. 
Type locality.— Point of Mountain, near Wilcox, Cochise 
County, Arizona. 
* Cynomys gunnisoni Baird. 
1855. Spermophilus gunnisoni Baird, Proc. acad. nat. sci. 
Phila., VII, p. 334. April, 1855. 
1857. Cynomys gunnisoni Baird, Mamm. N. Amer., p. 335. 
1885. Cynomys colmnhianus True, Proc. IT. S. nat. mus., vn 
(1884) p. 593. 1885. 
1890. Cynoynys gimnisoni 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. 
Cynomys leucurus Merriam. 
1890. Cynomys leucurus Merriam, North Amer. fauna, no. 4, 
p. 33. October 8, 1890. 
Type locality. — Fort Bridger, Sweetwater County,Wyoming. 
