354 U. S. NATIONAL MUSEUM BULLETIN 205 



Family Heteromyidae 

 Subfamily perognathinae 



Genus PEROGNATHUS M Wied-Neuwied 

 1839. Perognathus Wied-Neuwied, Nova Acta Phys.-Med. Acad. Caesar. Leop.- 

 Carol., vol. 19, pt. 1, p. 368. (Type, Perognathus fasciatus Wied-Neuwied.) 



Subgenus PEROGNATHUS Wied-Neuwied 



fasciatus — group 

 Perognathus fasciatus fasciatus Wied-Neuwied* 



1839. Perognathus fasciatus Wied-Neuwied, Nova Acta Phys.-Med. Acad. 

 Caesar. Leop-Carol., vol. 19, pt. 1, p. 369. 



1884. Perognathus fasciatus True, Proc. U. S. Nat. Mus., vol. 7 (App., Circ. 

 29) , p. 599, Nov. 29, 1884 (Part.) 



Type Locality. — Old Fort Union [near Buford, N. Dak.] on upper Missouri 

 River near its junction with Yellowstone River, Williams County, N. Dak. (see 

 V. Bailey, Journ. Mamm., vol. 14, No. 3, p. 241, Aug. 17, 1933) . Range. — Upper 

 Sonoran and Transition Zones of northeastern Wyoming and northwestern South 

 Dakota, western North Dakota (V. Bailey, North Amer. Fauna No. 49 (Decem- 

 ber 1926), p. 119, Jan. 8, 1927) east at least to near Jamestown, Stutsman 

 County (Blair, Journ. Mamm., vol. 21, No. 4, p. 461, Nov. 14, 1940) , and eastern 

 Montana; northward into southwestern Manitoba (Aweme, Oak Lake, Trees- 

 bank, and junction of Antler and Souris Rivers) ; probably also in parts of south- 

 eastern Saskatchewan (Anderson, Nat. Mus. Canada Bull. 102 (1946) , p. 130, Jan. 

 24, 1947; see also Soper, Journ. Mamm., vol. 27, No. 2, p. 144, May 14, 1946). 



Perognathus fasciatus litus Caryf* 



1911. Perognathus fasciatus litus Cary, Proc. Biol. Soc. Washington, vol. 24, 

 p. 61, Mar. 22, 1911. 



Type Locality. — Sun, Sweetwater Valley, Fremont County, central Wyoming. 

 Range. — Sweetwater Valley. 



Perognathus fasciatus infraluteus Thomas* 



1893. Perognathus infraluteus Thomas, Ann. Mag. Nat. Hist., ser. 6, vol. 11, 



p. 406, May 1893. 

 1900. Perognathus fasciatus infraluteus Osgood, North Amer. Fauna No. 18, 



p. 19, Sept. 20, 1900. 

 Type Locality. — Loveland, Larimer County, central northern Colorado. 

 Range. — Known from type locality only. 



Perognathus flavescens flavescens Merriamf* 



1889. Perognathus fasciatus flavescens Merriam, North Amer. Fauna No. 1, 



p. 11, Oct. 25, 1889. 

 1900. Perognathus flavescens Osgood, North Amer. Fauna No. 18, p. 20, Sept. 

 20, 1900. 



"Revised by Merriam, North Amer. Fauna No. 1, Oct. 25, 1889; and by Osgood, North 

 Amer. Fauna No. 18, Sept. 20, 1900. 



