72 CALIFORNIA MAMMALS. 



Citellus mohavensis Mkrkiam. (Of the Mohave Desert.) 



MOHAVE GROUND-SQUIRREL. 



Abc)\e uniform g-rizzled brownish drab or pinkish drab; 

 upper side of tail siiuilar to the [)ack with more black intermixed; 

 below dull buff}' white. 



I^enyth about 230 mm. (9 inches) ; tail vertebra; 70 

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



Type locality, Mohave River above Victorville, California. 



The Mohave Ground-Squirrel ma}^ be distinguished from 

 the Stepheus Ground-Squirrel by its sliorter 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-Squirrel seems to be confined to the western and 

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

 verv common. 



Siibgeniis Callospermophilus. ( Beautiful — spemiophile. ) 

 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 chrysodeirus Merrtam. (Gilded.) 



GILDED GROUND-SQUIRREL. 



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

 ium breadth. Summer 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 eacli side, inclosing a bufify 

 white stripe of about equal width wdiich is usually tracable to 



