SAURES. CHAM^LIONID^. 369 



with small imbricate scales^ which are but slightly 

 larger on the belly, and under the tail ; the latter 

 extremely short.* (Tortrix f Oppel.) 



Anilius Oken. Tail obtuse ; a single series of larger 

 scales beneath. . 



A. corallinus. Seba, ii. pi. 73. fig. 1 — 3. 



Urapeltis Cuv. Head very small ; muzzle pointed ; 

 tail obliquely truncated_, with a double range of 

 scales. 



U. Ceylonicus Cuv. 



Order V. SAURES. Lizards. 



Feet four;]:; mouth not capable of dilatation; body covered 

 with different-sized scales or granulations. 



Family 1. CHAMiELIONID^. Chamelions. 



Feet scansorial ; toes syndactyle^ two before and three 

 behind ; tongue vermiform, capable of great extension ; 

 tail prehensile. The scansorial type. 



Chamelion Linn. Scales granular ; a series of spines 

 on the chin and belly; body compressed, carinated, 

 but without dorsal spines ; eyes versatile ; occiput 

 elevated, pyramidical ; front smooth. 

 C. carinatus. Shaw, Zool. 



Triocebos Sw. General structure of Chamelion ; but 

 there are three long conical slightly curved horns, 

 pointing forwards, before the eyes. 



T. Grayii Sw. Gray's Zool. Miss. pi. 4. p. 7. 



Diceros Sw. General structure of the last, but with 



• It remains to be determined whether this group enters among the Co- 

 luber id<s, connecting them with the Anguid<B, or forms a portion of the 

 latter family. In placing them among the former, I have adopted the 

 views of Cuvier. To the Ambisbcerue, they seem related by analogy. 



f This name must be rejected, being long established in entomology. 



X Becoming rudimentary, or partly obliterated, in the family otScincoidie, 

 which connects the lizards to the serpents. 



VOL. II. B B 



