10. UTA 195 



of brown or slate, often more or less obsolete. A narrow 

 straight band of intense black crosses from shoulder to 

 shoulder over the back. The spaces between these bands are 

 variously spotted, marbled and reticulated with lighter, and 

 thickly sprinkled with light blue dots or spots. The limbs 

 are irregularly cross-banded with dusky or nearly unicolor. 

 The tail is pale brownish olive with wide more or less obso- 

 lete blackish or dark brown cross-bars, its proximal fourth 

 often bluish on the lighter portions. The lower surfaces 

 are greenish or yellowish white, suffused with deep indigo 

 on the belly and flanks, and reticulated with bluish gray or 

 slate on the chin and throat, where the ground color may 

 be yellowish white, grayish or pinkish. The reticulations on 

 the throat are so arranged as to make the throat appear 

 mottled with a tendency to form cross-bars. 



Base of fifth to end of 



fourth toe 22 24 24 24 25 25 



Distribution. This species has been collected on Angel 

 de la Guardia and Mejia islands, in the Gulf of California, 

 Mexico, where it was found in rocky canyons. 



Remarks. This lizard is very closely related to Ufa 

 mearnsi, but grows to a larger size and may readily be dis- 

 tinguished by the different pattern of the markings on the 

 gular region. 



Type. No. 50506, Mus. Calif. Acad. ScL, Joseph R. 

 Slevin, June 28, 1921. 



