MURID^ 117 



tail bicolor, blackish above, grayish below; upper surface of 

 hind feet more or less clouded with dusky; averaging- smaller; 

 tail shorter proportionally; palate usually shorter than incisive 

 foramina. 



Length about 380 mm. (15 inches); tail vertebrse 190 

 (7.50) ; hind foot 37 (1.45) ; ear from crown 29 (1.15). 



Type locality, San Diego, Calfornia. 



Southwestern California and northwestern Lower California, 

 from the seacoast up to 7,000 feet altitude in the mountains. 

 .'The Southern Brush-Rat is found in chemisal and other brush. 

 The nests are large and may be seen frequently in suitable places. 

 Occasionally smaller nests are placed in trees which lean. These 

 tree nests are probably used in warm weather, and are commonly 

 near other nests on the ground. The habits in general are the 

 same as those of the species elsewhere. 



Neotoma fuscipes simplex. True. (Simple.) 



XANTUS BRUSH RAT. 



Similar to rmicrotis; smaller and grayer; hairs of lower 

 parts white to roots; hind feet white; tail bicolor. 



Type locality, old Fort Tejon, California. 



Foothills and mountains Ixirdering the southern part of the 

 San Joaquin Valley and the extreme western part of the Mojave 

 Desert. 



Neotoma fuscipes streatori Merriam. (For C. P. 



Streator.) 



STREATOR BRUSH RAT. 



Similar to fuscipes in size and color; ankles darker; hind 

 foot from ankle pure white; tail bicolor, blackish above, whitish 

 below ; skull somewhat dififerent from that of fuscipes; length of 

 palate less than that of incisive foramina, which reach back some- 

 what beyond the front of the first molars; zygomatic arches less 

 spreading posteriorly. 



