CLASS REPTILIA. 



neck ; back with a crest of short compressed spmes, forming 

 a double crest about two-thirds the length of the back, sides 

 with eight or nine cross bands of oval larger keeled scales, 

 and others similar across the base of the tail and limbs. 

 Paramatta, Lesueur. 



Beautiful Lophura. Lophura Concinna, Physignathus 

 Concinnus, Cuv. R. A. t. f. Ph. Iguanoides. Mus. 

 Paris. 



A crest of conical compressed scales the whole length of the 

 back ; head with granular scales. Body and tail with small 

 squarish scales, the scales of the tail becoming larger near the 

 end ; tail much compressed ; young with scarcely any crest. 

 Dark blue, with some oblique white bands on the side, and 

 whitish beneath, with some rather larger compressed scales on 

 the side of the chin. 



i. Head short, arched ; hack, with minute scales, not crested; 

 tail with whorled scales. Uromastyx. 



* Scales of tail large., spinose, Uromastyx. Cuv. Mas- 

 tigura. Flern. 



Common Uromastyx. Uromastyx Spinipes, Merrem. U. 

 Acanthinurus, Bell. Zool. Jour. Stellio Spinipes, Daud. 

 Geoff. Egypt, t. 2. 



Olive dull greenish brown, subcaudal segment, with subden- 

 tate scales, placed in two or three series. North Africa. 



Two Coloured Uromastyx. Uromastyx Dispar. 

 Tail like the former, male, black brown ; female, ash yelloAV. 



Ornamented Uromastyx. Uromastyx Ocellatus, Licht. 

 Uromastyx Ornatus, Heyden, Ruppel, Trav. 



Dull green, body brown, ringed subcaudal segment consists 

 of a single series of armless scales. Africa. Dongola. 



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