266 



REPORT OF NATIONAL MUSEUM, 1898. 



SAUROMALUS ATER Dumeril. 



Sauromalus ater Dumi^ril, Arch, du Mus., VIII, 1856, p. 536, pi. xxiii, fig. 3. — 

 Cope, Proc. Acad. Nat. Sci. Phila., 1864, p. 177.— 15ocourt, Miss. Sci. Mexi- 

 <jue Reptiles, 1874, p. 149, pi. xvii bis, fig. 11. — Boulengeu, Cat. Liz. Brit. 

 Mus., II, 1885, p. 202. 



Eupliriine obesa Baird^ Proc. Acad. Nat. Sci. Pliila., 1858, p. 253; U. S. Mex. 

 Bound. Sur., 1859, Reptiles, p. 6, pi. xxvii. 



rig. 23. 

 Saubomalus ater Dumi':eil. 



Yampai Valley, Arizona. 



Cat. Nn. l'.'-Ji;4, U.S.N. M. 



Body very stout and form heavy; belly large; limbs (including claws) 

 stout, short, and thick ; tail scarcely larger than body, very much thick- 

 ened and depressed at base. 



Top and sides of the head covered with nearly equal subhexagonal 

 tubercular scales, only a little smaller on the supraorbital region and 

 cheeks. Orbits bounded inferiorly by a chain of about ten nearly eipial 

 scales. Ear conspicuous, its anterior edge dentate. About twenty 



