NORTH AMERICAN LAND MAMMALS. 263 



t*Perognathus panamintinus arenicola Stephens. 



1900. Perognatlius panamintinus arenicola Stephens, Proc. Biol. 



Soc. Washington, vol. 13, p. 153. June 13, 1900. 

 Type Locality. — San Fehpe Narrows, San Diego County, 

 California. 



*Perognathus panamintinus bangsi (Mearns). 



18^8. Perognatlius longintemhris hangsi Mearns, Bull. Amer. 



Mus. Nat. Hist., vol. 10, p. 300. August 31, 1898. 

 1900. Perognatlius pananfiintinus hangsi Osgood, North Amer 



Fauna, No. IS, p. 29. September 20, 1900. 

 Type Locality. — Palm Springs, Colorado Desert, Riverside 



County, California. 

 Range. — Desert valleys of southern and southeastern California, 



Lower Sonoran zone. 



t*Perognathus panamintinus brevinasus Osgood. 



1900. Perognathus panamintinus hrevinasus Osgood, North 

 Amer. Fauna, No. 18, p. 30. September 20, 1900. 



Type Locality. — San Bernardino, San Bernardino County, 

 California. 



Range. — Known from a few scattered localities in extreme south- 

 western California. Upper Sonoran zone. 



t*Perognathus bombycinus Osgood. 



1907. Perognatlius homhycinus Osgood, Proc. Biol. Soc. Wash- 

 ington, vol. 20, p. 19. February 23, 1907. 

 Type Locality'. — Yuma, Yuma County, Arizona. 



t*Perognathus nevadensis Merriam. 



1894. Perognatlius nevadensis Merriam, Proc. Acad. Nat. Sci. 



Philadelphia, p. 264. September 27, 1894. 

 Type Locality. — Halleck, East Humboldt Valley, Elko County, 



Nevada. 

 Range. — Upper Sonoran zone of central Nevada; northward to 



southern Oregon and northern Utah. 



t*Perognathus pacificus Mearns. 



1898. Perogmitlius pacificus Mearns, Bull. Amer. Mus. -Nat. 



Hist., vol. 10, p. 299. August 31, 1900. 

 Type Locality. — Mexican boundary monument No. 258, shore 



of Pacific Ocean, San Diego County, California. 

 Range. — Known only from the type locality. 



t*Perognathus amplus Osgood. 



1900. Perognatlius amplus Osgood, North Amer. Fauna, No. IS, 



p. 32. September 20, 1900. 

 Type Locality. — Fort Verde, Yavapai County, Arizona. 

 Range. — Elnow^n only from the type locality. 



