PERODIPUS. 



Fig. 54. Perodipus agilis. 



No. 6554 Field Columbian Museum Coll. Nat. size. 



Lower tooth row. Upper tooth row. 



Enlarged 7 times. Enlarged 7 times. 



bridge of nose. Tail blackish, and with a blackish tip; lateral white 

 stripes terminate at base of pencil. Under part of leg and base of 

 foot dusky, rest white. 



Measurements. Total length, 280; tail vertebra', 170; hind leg, 

 39.5; ear, 14.5. 



358. streatori. {I'eroJif'us), Merr. , Proc. Biol. Soc. Wash., 1894, 



p. 113. 



Type locality. Carbondale, Mariposa County, California. 



Geogr. Distr. West foot of Sierra Nevada, California. 



Genl. Char. Similar to P. agilis, but larger; tip of tail normally 

 white. 



Color. Above Isabella brown, darker on dorsal region and sides 

 of neck, sides suffused with ochraceous buff; the usual fascial cres- 

 cent, and eye and ear spot; beneath white. Dark tail, stripes dusky, 

 meeting and forming a broad subapical band; tip normallx white. 



Measurements. Total length, 292; tail vertebrae, 179; hind 

 foot, 43. 



359. chapmani. {Dipodoiins), Mearns, Bull. Am. Mus. Nat. Hist., 



1890, p. 291. 

 Type locality. Fort Verde, .\rizona. 



