PEROGNATHUS. 



WHITE-EARED POCKET MOUSE. 



Tvpe locality. Squirrel Inn, San Bernardino Mountains, San Ber- 

 nardino County, California. 



Geogr. Distr. Known only from the type locality. 



761. Perognathus lordi (Gray). 



Ahnnnys (sic) lordi Gray, Proc. Zool. Soc., 1868, p. 202. 



Perognathus lordi Elliot, Syn. N. Am. Mamm., F. C. M. Pub., n, 



1901, p. 250. Zool. Ser. 

 NORTHWEST POCKET MOUSE. 



Type locality. Southern British Columbia, Canada. 



Geogr. Distr. Southern British Columbia to the plains of the 

 Columbia River, Washington. 



n. I't'i'iifjinit Ini s Ini-ili col it nihiitiiu x (Merriam). 



Perognathus columbianus Merr., Proc. Acad. Nat. Scien. Phil., 



1894, p. 263. 

 Perognathus lordi columbianus Elliot, Syn. N. Am. Mamm., F. C. M. 



Pub., n, 1901, p. 250. Zool. Ser. 

 COLUMBIAN POCKET MOUSE. 



Type locality. Pasco, Franklin County, Washington. 

 Geogr. Distr. Known only from the type locality. 



762. Perognathus formosus Merriam. 



Perognathus formosus Merr., N. Am. Faun., No. i, 1889, p. 17, 

 Elliot, Syn. N. Am. Mamm., F. C. M. Pub., IT, 1901, p. 250. 

 Zool. Ser. 

 LONG-TAILED POCKET MOUSE. 



Tvpe locality. St. George, Washington County, Utah. 

 Geogr. Distr. Southwestern Utah, southern Nevada, and adja- 

 cent portions of California as far south as Copper City. 



763. Perognathus mesembrinus Elliot. 



Perognathus mesembrinus Elliot, Pub. Field Columb. Mus., in, 



1903, p. 251. Zool. Ser. 

 SOUTHERN POCKET MOUSE. 



Type locality. Palm Springs, Colorado Desert, Riverside County, 

 California. 



GeoL'r. l)istr. Southern California, probably into Lower California, 

 Mexico. 



Geiil. L'li'ir. Color pale; tail hairy, pencil large, bushy; size medium. 



Color. Upper parts mixed drab gray and buff; no lateral line; 

 thighs like the back; lips, entire under parts, lore legs, fore and hind 

 feet white; tail above with pencil brownish drab, beneath whitish; 

 ear dark bro\vn ; bases covered with tufts <>r drab gray. 



