CLASS REPTILIA. 



Black Uromaatyx. Uromastyx Niger , Merrem. Stellio 



Niger, Daud. 



Tail twice as long as the body, with twenty-seven rings of 

 spines ; toes long, sub-depressed ; scales small, rhombic. 



Hardwiclcs Uromastyx. Uromastyx Hardwickii, Gray, 

 Zool. Jour. U. Reticulatus, Cuv. R.A. 



Greenish, marbled with black dots; a large black spot in 

 front of each thigh. Hindostan. 



•Cuvier indicates Uromastyx Grisseus^ from New Holland, 



** Tail with rings of small armless spines. Lecolepis, 

 Cuv. Cynosaurttf Schegel. 



BelVs Uromastyx. Uromastyx Bellii, Gray, Zool. Jour. 

 Lecolepis Guttatus, Cuv. Guerin. Icon, t. 7* ^- Giittato 

 Lineatus, Mus. Paris. Cyn. Punctatus, Schegel. Mus. 

 Leyd. 



Olive ; back, with three lines alternating with black edged 

 white spots ; limbs white-eyed ; sides black spotted. 



Reeves Uromastyx. Uromastyx Revesii, Gray, Mus. Brit. 

 Olive, with a series of bright red spots down each side. 



Spotted Uromastyx. Uromastyx Maculatus, Gray. Leco- 

 lepis Maculatus, Cuv. Mus. Par. 



Pale brown *; head, with a black streak from the eye to the 

 neck ; back, legs and tail with six rows of oblong black spots, 

 sddes of the legs black netted. • 



Order II. Ophiosauri. 

 Mouth not dilatable, skin covered with regular equal scales. 



Section I. 



Body with equal similar scales, above afid below, and a 

 compressed line of small scales on each side ; tongue 

 short, contractile, two cut. Ptygopleura. 

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