Vol. Ill] GRINNELL— MAMMALS OF CALIFORNIA 329 



Syiioiiyiiis — Pcrognatlius pananiintinus arenicola Stephens, 

 Proc. Biol. Soc. Wash., 13, June 13, 1900, p. 153 (type from 

 San Felipe Narrows, eastern San Diego County, California) ; 

 Perognatliits pcricalles Elliot, Field Col. Mus., zool. ser., 3, 

 December, 1903, pp. 252, 253 (type from Keeler, Inyo County, 

 California). 



Range — Lower Sonoran and low Upper Sonoran zones in 

 the Colorado and Mohave desert region, west to the eastern 

 margin of the San Diegan district, and north through the Inyo 

 region to the head of Owens Valley (Osgood, N. Amer. 

 Fauna, 18, 1900, pp. 29, 30; Mus. Vert. Zool.). 



Perognathus panamintinus brevinasus Osgood 

 Short-nosed Pocket Mouse 



Original description — Perognathus panamintinus brevinasus 

 Osgood, N. Amer. Fauna, 18, September, 1900, p. 30. 



Type locality — San Bernardino, San Bernardino County, 

 California. 



Synonym — Perognathus longimemhris, part. 



Range — Lower Sonoran, and low Upper Sonoran zones in 

 the San Diegan district, from the Mexican line northwest at 

 least to San Fernando Valley, Los Angeles County (Osgood, 

 supra cit., p. 31 ; Mus. Vert. Zool). 



Perognathus elibatus Elliot 

 Mount Pinos Pocket Mouse 



Original description — Perognathus elibatus Elliot, Field 

 Col. Mus., zool. ser., 3, December, 1903, p. 252. 



Type locality — Lockwood Valley, altitude 5500 feet, near 

 Mount Pinos, Ventura County, California. 



Range — Upper Sonoran zone, in Lockwood Valley, near 

 Mount Pinos, Ventura County (Elliot, snpra cit.; also ibid., 

 March, 1904, p. 307). 



Perognathus pacificus Mearns 



Pacific Pocket Mouse 



Original description — Perognathus pacificus Mearns, Bull. 

 Amer. Mus. Nat. Hist., 10, August 31, 1898, p. 299. 



August 26, 1913. 



