TEIII) LIZAKDS OF THE GENUS CNEMIDOPHOltUS 



215 



supraocular iu 12 speciuiens. to the anterioi- ])()i(lcr of Hk' tliinl 

 supraocular in one specimen. 



Range. — This little lizard is known only from Santu ('iifdHna 

 Island, (Julf of California, ^Mexico (Van Denbur<!li and Sleviii, 

 lD21/>. p. 30G, C.A.S.., A.M.N.H.). 



Ilahitat and habits. — Information concerniiii;- the habitat and 

 habits of catalinen&is has not been published. The Santa Catalina 





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FlGUUE 29.- — CNEMIDOPHORTCS CATALIXENSIS. 



Color pattern. Note the absence of 

 longitudinal markings 



Ishind in the (iulf of California is little known. It is only Ti/^ 

 miles long by 2 miles wide, and the highest elevation is 1.513 feet. 



Affinities. — The present form is very closely related to hacatm, 

 from which it may be distinguished chiefly by the character and ex- 

 tent of the dorsal spotting. These two forms represent an end 

 evolution of the tessellatus color pattern and may have very well 

 oi-iginated from martyris-canus stock, which in turn was obviously 



