4. DIPSOSAURUS 75 



regions. The tail is whitish, yellowish, grayish, or brownish, 

 marked with rings of brown or slate. The lower surfaces 

 are white, marked on the chin and gular region with longi- 

 tudinal or oblique lines of brown or bluish gray. 



The following color description was taken from a fresh 

 male shot at Yuma, Arizona, October 1, 1894: The head is 

 creamy tinged on the sides with vinaceous and on the supra- 

 ocular regions with black j below, white with indistinct gray 

 markings. The back is cream with numerous transverse 

 gray bars, and more or less broken longitudinal lines of dull 

 Chinese orange. These lines become spots on the sides. The 

 tail is half -ringed with more or less connected spots of the 

 same orange color. The belly is white with a large patch 

 of reddish orange on each side. 



Length to ; 



Snout to ear-- 



limb ._.. 

 Ease of fifth to end of 



fourth toe 17 24 29 32 34 39 



Distribution. In California the Crested Lizard ranges 

 over the lower levels of the Colorado and Mohave deserts, 

 pushing its way north to Owen's, Panamint, Death, Mes- 

 quite and Amargosa valleys. West of the desert region it 

 has not been found, and doubtless does not occur. It has 

 been found also in southern Nevada, western Arizona, and 

 northern Lower California. 



In California, it is known to occur in Inyo (Death 

 Valley, Furnace Creek, Mesquite Valley, Panamint Moun- 

 tains, Little Lake, Shoshone, Owens Valley three miles 

 east from Owens Lake), San Bernardino (Daggett, Lyons, 



