72 CALIFORNIA MAMMAL.S. 



Citellus mohavensis Merriam. (Of the Mohave Desert.) 



MOHAVE GROUND-SQUIRREL. 



Above uniform grizzled brownish drab or pinkish drab; 

 upper side of tail similar to the back with more black intermixed ; 

 below dull huffy white. 



Length about 230 mm. (9 inches) ; tail vertebrae 70 

 (2.75) ; hind foot 37 ( 1.45) ; ear rudimentary. 



Type locality, Mohave River above Victorville, California. 



The Mohave Ground-Squirrel may be distinguished from 

 the Stephens Ground-Squirrel by its shorter and coarser pelage, 

 longer and broader tail, darker head, and larger average size. 

 In color it is usually darker than the Round-tailed Ground-Squir- 

 rel and the tail is shorter and broader, that of the latter being 

 rat-like. The habits of all three species are similar. The Mo- 

 have Ground-Sc[uin-el seems to be confined to the western and 

 central part of the Mohave Desert. They do not appear to be 

 very common. 



Subgenus Callospermophilus. (Beautiful — spermophile. ) 



Ears rather large; tail about half as long as head and body, 

 flat; pelage striped; nasals extending back further than premaxil- 

 laries; crown rather flat. 



Citellus chrysodeims Merriam. (Gilded.) 



GILDED GROUND-SQUIRREL. 



Pelage long and rather coarse, heavily striped; tail of med- 

 ium breadth. Suinmcr pelage; top of head chestnut; eyelids 

 buffy ; sides of head, neck and shoulders ochraceous or cinna- 

 mon ; throat and legs dull ochraceous buff ; broad dorsal band 

 grizzled grayish brown, sometimes tinged with rufous, this band 

 usually distinguishable to the crown and spreading over the 

 rump and hips; two black stripes on each side, inclosing a buffy 

 white stripe of about equal width which is usually tracable to 



