5 26 8. TEIID.^ 



has the throat suffused with gray or slate. C. t. stejnegeri 

 usually has the dark markings on the sides of the head more 

 intense and well defined than in my one specimen of C. 

 bartolomas. In all of these lizards the pattern is obsolete 

 posteriorly in certain individuals. There seem to be no 

 structural differences. 



111. Cnemidophorus multiscutatus (Cope) 

 Cerros Island Whiptail Lizard 



Cnemidophorus tessellatus tigris Cope, Proc. U. S. Nat. Mus., 1889, 



p. 147 

 Cnemidophorus tessellatus multiscutatus Cope, Trans. Amer. Philos. See, 



Vol. 17, Ft. I, 1892, p. 38 (type locality, Cerros Island, Lower 



California, Mexico); Coi-e, Report U. S. Nat. Mus. for 1S98, 



1900, p. 586, fig. III. 

 Cnemidophorus multiscutatus Van Denburch, Proc. Cal. Acad. Sci., 



Ser. 2, Vol. 5, 1895, P- 1-6; Van Denburgh, Proc. Cal. Acad. 



Sci., Ser. 3, Zool., Vol. 4, No. i, 1905, pp. 3, 24; Gadow, Proc. 



Zool. Soc. London, 1906, p. 370; Van Denburgh & Slevin, Proc. 



Cal. Acad. Sci., Ser. 4, Vol. 4, 1914, pp. 133, 144, 145; Stejneger 



& Barbour, Check List N. Amer. Amph. Rept., 1917, p. 66; Nelson, 



Mem. Nat. Acad. Sci., Vol. XVI, 1921, p. 114. 



Description. — Body long, with a very slender tail and 

 very long legs. Nostrils opening in large anterior nasal 

 plates, latter in contact on top of snout. Posterior nasal 

 forming sutures with anterior nasal, first, second, and third 

 labials, loreal, prefrontal, and frontonasal plates. Loreal 

 in contact with third and fourth labials 5 first subocular, pre- 

 ocular, first superciliary, prefrontal, posterior nasal, and 

 usually first supraocular plates. Four supraoculars, fourth 

 smallest. Second, third, and fourth supraoculars separated 

 from superciliaries by small convex granules. Similar gran- 

 ules between third and fourth supraoculars and frontoparie- 

 tal and parietal. One to three transverse series of small ocd- 

 pitals behind parietals and interparietal. About five superior 



