PEROGNATHUS. 245 



Gi-ogr. Distr. Eastern Arizona, western New Mexico and south- 

 ern Utah. 



Genl. Char. Size large; tail as long as head and body; no anti- 

 tragal lobe; soles haired. 



Color. Above tawny ochraceous, sparingly lined with black; 

 fore legs, feet and under parts white. Tail yellowish above, whitish 

 beneath; white spot on lower margin of ear. 



Measindtifnts. Total length, 150; tail vertebno, 79; hind foot, 

 20; ear, 7. 



372. callistus. {Pcrognathus), Osgood, N. Am. Faun., No. 18, igoo, 



p. 28. 



'J\p( locality. Kinney Ranch, Green River basin, near Sweet- 

 water County, Wyoming. 



Gi-ogr. Distr. Only known from type locality. 



Ginl. Char. Smaller than P. apache; color different. 



Color. Above grayish olive buff and black; lateral line pale buff; 

 under parts white; ears whitish exteriorly; tail above dusky, beneath 

 white. 



Measurements. Total length, 135; tail vertebrae, 63; hind foot, 18. 



373. panamintinus. {Fcro,i;nathtis), Merr., Proc. Acad. Nat. Scien. 



Phil., 1894, p. 265, fig. 4. 



Ty/>c locality. Perognathus Flat, Panamint Mountains, Cali- 

 fornia. 



Gcox'r. J)istr. Panamint Mountains, eastern border of California, 

 through southern Nevada to St. George, Utah. 



Gcfil. Char. Small; tail longer than head and body; color dark; 

 skull long and slender. 



Color. Above ochraceous, sometimes grayish buff, lined with 

 black; feet and under parts white; tail dusky above, ochraceous 

 beneath. 



Measurements. Total length, 152 ; tail vertebr^f, 78 ; hind 

 foot, 19.8. 



a.—ban^si. {Perognathus), Mearns, Bull. Am. Mus. Nat. Hist., 1S98, 

 p. 300. 



Type locality. Palm Spring, Colorado Desert, southern Cali- 

 fornia. 



Geogr. Distr. Desert valleys of southern and southeastern Cali- 

 fornia. 



Genl. Char. Smaller than P. panamintinus, and paler. 



Color. Above pale vinaceous buff faintly lined with black; feet, 

 fore legs, and lower parts white. Tail, above dusky, pencil pale 

 brown, beneath white; ears with white spot at base, and one above. 



