NORTH AMERICAN RECENT MAMMALS. 273 



t*Perognathus fasciatus litus Gary. 



1911. Perognaihus fasciatus litus Cart, Proc. Biol. Soc. Wash- 

 ington, vol. 24, p. 61. March 22, 1911. 

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

 Wyoming. 



t*Perognathus flavescens flavescens (Merriam). 



1889. Perognathus fasciatus flavescens Merriam, North Amer. 



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

 1900. Perognathus flavescens 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 flavescens copei (Rhoads). 



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

 delphia, 1893, p. 404. January 27, 1894. 

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



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

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



t*Perognathus flavescens perniger Osgood. 



1904. Perognathus flavescens perniger Osgood, Proc. Biol. Soc. 



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

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



^Perognathus merriami merriami Allen. 



1892. Perognathus merriami Allen, Bull. Amer. Mus. Nat. 

 Hist., vol. 4, p. 45. March 25, 1892. 



1896. Perognathus mearnsi Allen, Bull. Amer. Mus. Nat. Hist., 

 vol. 8, p. 237. November 21, 1896. (Watson's Ranch, 15 

 miles southwest of San Antonio, Bexar County, Texas.) 



Type Locality. — BrownsvUle, Cameron County, Texas. 



Range. — Subtropical region of southern Texas and northeastern 

 Mexico, and lower Sonoran of central Texas. The known 

 range extends from Alta Mira, Tamaulipas, northward to 

 Washburn, Texas, and from this point southwestward to the 

 vicinity of Roswell, New Mexico; on the east it reaches San 

 Antonio, and on the west follows up the Rio Grande as far as 

 Corns tock. 



t*Perognathus merriami gilvus Osgood. 



1900. Perognathus merriami gilvus Osgood, North Amer. Fauna, 



No. 18, p. 22. September 20, 1900. 

 Type Locality. — Eddy, near Carlsbad, Eddy County, New 



Mexico. 

 Range. — Western Texas and southeastern New Mexico. Lower 

 Sonoran zone. 

 5750e— 24 19 



