260 BULLETIN 79, UNITED STATES NATIONAL MUSEUM. 



Genus PEROGNATHUS Wied.^ 



1839. Perognathus Wied, Nova acta phys. med. acad. caes. 

 Leop.-Carol., vol. 19, pt. 1, p. 368. Type, Perognathus fasciatus 

 Wied. 



Subgenus Perognathus Wied. 



*Perognathus fasciatus fasciatus Wied. 



1839. Perognathus fasciatus Wied, Nova acta phys. med. acad. 



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

 1885. Perognathus fasciatus True, Proc. U. S. Nat. Mus., vol. 7 



(1884), p. 599. 1885. (Part.) 

 Type Locality. — Upper Missouri River near its junction A\'ith 



the Yellowstone, northwestern North Dakota. 

 Range. — Upper Sonoran and transition zones of eastern Montana 



and Wyoming, east into the adjoining parts of North and 



South Dakota. 



*Perognathus fasciatus infraluteus (Thomas). 



1893. Perognathus infraluteus Thomas, Ann. and Mag. Nat. 

 Hist., ser. 6, vol. 11, p. 406. May, 1893. 



1900. Perognathus fasciatus infraluteus Osgood, North Amer. 



Fauna, No. 18, p. 19. September 20, 1900. 

 Type Locality. — Loveland, Larimer County, Colorado. 



t*Perognathus fasciatus litus Cary (see page 401). 



t*Perognathus fiavescens flavescens (Merriam). 



1889. Perognathus fasciatus fiavescens Merriam, North Amer. 



Fauna, No. 1, p. 11. October 25, 1889. 

 1900. Perognathus fiavescens Osgood, North Amer. Fauna, No. 



18, p. 20. September 20, 1900. 

 Type Locality. — Kennedy, Cherry County, Nebraska. 

 Range. — Upper austral plains of South Dakota, Nebraska, and 



Kansas; south possibly to northern Texas, and west to base of 



Rocky Mountains. 



*Perognathus fiavescens copei (Rhoads). 



1894. Perognathus copei Rhoads, Proc. Acad. Nat. Sci. Phila- 

 delphia, 1893, p. 404. January 30, 1894. 



1905. Perognathus fiavescens copei Bailey, North Amer. Fauna, 



No. 25, p. 143. October 24, 1905. 

 Type Locality. — Near Mobeetie, Wheeler County, Texas. 



t*Perognathus fiavescens perniger Osgood. 



1904. Perognathus fiavescens perniger Osgood, Proc. Biol. See. 



Washington, vol. 17, p. 127. June 9, 1904. 

 Type Locality. — VermiHon, Clay County, South Dakota. 



> Revised by Merriam (North Amer. Fauna, No. 1, October 25, 1889) and Osgood (North Amer. Fauna, 

 No. 18, September 20, 1900.) 



