120 CALIFORNIA MAMMALS. 



head and body ; pelage soft but less so than in desertorum; above 

 light biiffy brown; sides lighter; below grayish white or buft'y 

 white; feet white; tail blackish above, whitish below; skull con- 

 siderably larger than that of desertorum, heavier and more angu- 

 lar; interorbital constriction wider proportionally; incisive foram- 

 ina terminating slightly posterior to plane of anterior edge of first 

 molars. Immature; darker, with but little buff tinge. 



Length about 305 mm. (12 inches); tail vertebrae 152 

 (6) ; hind foot t^i ( 1.25) ; ear from crown 28 (i.io). 



Type locality, Dulzura, San Diego County, California. 



Valleys and slopes of the coast region of southern California, 

 north nearly to Monterey. Apparently not found much above 

 3.000 feet altitude. They prefer rocky localities and usually 

 build their nests among rocks. 



Neotoma intermedia gilva Rhoads. (Yellowish.) 



YELLOW BRUSH RAT. 



Very similar to desertorum in color but with the long tad 



intermedia. 



Type locality, the San Gorgonio Pass, California. 



Distribution, San Gorgonio Pass and the Colorado Desert. 



The following notes on a mother and young are extracts 

 from a letter to me from Mr. A. H. Alverson of San Bernardino. 

 The locality given is the Desert end of the San Gorgonio Pass. 

 "She was taken within a mile of Whitewater, in the low foothills. 

 The nest was under a bunch of Cereus engelmani, but she was 

 out and about two feet away from the entrance, which led to her 

 discovery — the cause of her being out at that time of day I do 

 not know, it being about 10 A. M. When she returned I noticed 

 that she had young attached to her mammae. I soon liad the 

 plant overturned and digging about a foot deep came upon her. 

 One of the young — there were thred^ — became detached and set 

 up a lively squeaking. It soon got a small stick in its mouth and 



