278 BULLETIN 128, UNITED STATES NATIONAL MUSEUM. 



parvHS-^Toup. 



*Perognathus parvus parvus (Peale). 



1848. Cricetodipus parvus Peale, U. S. Explor. Exped., vol. 8, 



mamm. and ornith., p. .53. 

 1858. PerognatJius parvus Cassin, U. S. Explor. Exped., vol. 8, 



mamm. and ornith., p. 48. 

 1885. Perognathus monticola and Cricetodipus parvus True, 



Proc. U. S. Nat. Mus., vol. 7 (1884), p. 599. 1885. 

 Type Locality. — Oregon; probably in neighborhood of The 



Dalles, Wasco County. 

 Range. — Valley of the Yakima River, Washington, and thence 



southward to central and southeastern Oregon. Upper So- 



noran zone. 



t*Perognathus parvus idahoensis Goldman. 



1922. Perognathus parvus idahoensis Goldman, Proc. Biol. Soc. 



Washington, vol. 35, p. 105. October 17, 1922. 

 Type Locality. — Echo Crater, 20 miles south of Arco, Blaine 



County, Idaho. 

 Range. — Known only from the type locality. 



*Perognathus parvus moUipilosus (Coues). 



1875. P[erognathus] moUipilosus Coues, Proc. Acad. Nat. Sci. 



Philadelphia, p. 296. August 31, 1875. 

 1900. Perognathus parvus moUipilosus Osgood, North Amer. 



Fauna, No. 18, p. 36. September 20, 1900. 

 Type Locality. — Fort Crook, Shasta County, California. 

 Range. — Great Basin extension of northeastern California, north 



to Klamath Basin, Oregon. Upper Sonoran zone, except on 



Mount Shasta, where it ascends to the boreal. 



t*Perognathus parvus olivaceus (Merriam). 



1889. Perognathus olivaceus Merriam, North Amer. Fauna, 

 No. 1, p. 15. October 25, 1889. 

 tl889. Perognathus olivaceus amcenus Merriam, North Amer. 

 Fauna, No. I, p. 16. October 25, 1889. (Nephi, Juab County, 

 Utah.) 



1900. Perognathus parvus olivaceus Osgood, North Amer. Fauna, 

 No. 18, p. 37. September 20, 1900. 



Type Locality. — Kelton, near north end of Great Salt Lake, 

 Boxelder County, Utah. 



Range. — Upper Sonoran zone throughout the Great Basin, 

 from northern Utah and southern Idaho southwest to Owen 

 Valley, California, and west to southern Oregon and northeast- 

 ern California. 



