PEROQNATHUS. 315 



a. Perognathus femoralis mesopoliris Elliot. 



Perognathus femoralis tnesopolms Elliot, Pub. Field Columb. Mus., 

 Ill, 1903, p. 168. Zool. Ser. Id. Mamm. Middle Amer. & W. 

 Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 367, fig. 68. Zool. Ser. 

 Gray Pocket Mouse. 



Type locality. Pinon, San Pedro Martir Mountains, Lower Cali- 

 fornia, Mexico. Altitude, 5,000 feet. 



Geogr. Distr. San Pedro Martir Range at high elevations. 



777. Perognathus californicus Merriam. 



Perognathus californicus Merr., N. Am. Faun., No. i, 1889, p. 26. 

 Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 254. 

 Zool. Ser. 

 California Pocket Mouse. 



Type locality. Berkeley, Alameda County, California. 

 Geogr. Distr. Coast region of California from San Francisco Bay 

 to Bear Valley, San Benito Valley, San Benito County, California. 



a. Ferogndthiis californicus disjxir Osgood. 



Perognathus californicus dispar Osgood, N. Am. Faun., No. 18, 



1900, p. 58. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 



1901, p. 255. Zool. Ser. 

 Allen's Pocket Mouse. 



Type locality. Carpenteria, Santa Barbara County, California. 



Geogr. Distr. Coast valleys of California from San Bernardino 

 to San Benito County, and north along the foothills of the west slope 

 of the Sierras to Placer County, 



b. Fprognathus californicus ochriis Osgood. 



Perognathus californicus ochrus Osgood, Proc. Biol. Soc. Wash., 

 XVII, 1904, p. 128. 

 Yellow Pocket Mouse. 



Type locality. Santiago Springs, Kern County, California. 



Genl. Char. Like P. c. dispar, but paler. 



Color. Upper parts ntixed with pinkish buff and dusky; lateral 

 line pinkish buff; under parts creamy white; tail above hair brown, 

 beneath white; hands and feet white. 



Measurements. Total length, 200; tail vertebras, 108.7; hind 

 foot, 25. 



778. Perognathus spinatus Merriam. 



Perognathus spinatus Merr., N. Am. Faun., No. i, 1889, p. 21. 

 Elliot, Syn. N. Am. Mamm., F. C, M. Pub., 11, 1901, p. 255. 

 Zool. Ser. Id. Mamm. Middle Amer. & W. Indies, F. C. M'. 

 Pub., IV, Pt. I, 1904, p. 363. Zool. Ser. 



