LIZARDS. 25 



The LiZARDET. Crocodilurns Lacertinus, Dum. et Bib. E. G. 

 V. 46. Tupinamhis lacertinus, Daud. Rept. iii. 85. C. amazo- 

 nicus, Spix, Braz. t. 20. Gra?/, Ann. N. H. i. 278. Wafjler, Icon. 

 t. 15. Weigm. H. Mex. 8. C. ocellatus, Spix^ Braz. t. 21, Jun. 



Brown, with black spots ; throat and belly yellow ; young;, 

 sides black, with reddish white spots, beneath whitish, black-spotted. 



luhab. Brazils, Guiana. Mus. Paris. 



10. Ada, Gray. Dracsna, Daud. not Linn. Thorictes, Wagl. 



Dum. et Bib. 



Scales of the back unequal, larger oval. Tail with a serrated 

 crest on each side above. Throat with a double plait. " Teeth 

 on the edge of the jaw," the hinder 3-lobed ; palate toothless ; 

 nostrils in the keel, in the middle of the longitudinal suture be- 

 tween the two nasal shields. 



The Great Dragon. Ada Guianensis. Dracaena Guianensis, 

 Daud. Rept. ii. 423, t. 28. Waaler, Si/st. 153. Weigm. H. M. S. 

 Le Dragonne, Lacep. Q. O. i. 243, t. 16. Bannot^ Erpet. E. 31. t. 

 3,/. 2. Teius crocodilinus, Merrem, Tent. 62. Thorictes Dra- 

 caena, Dum. et Bib. E. G. v. 56. 



Olive, beneath yellow, brown varied. 



Inhab. Tropical America. Mus. Paris. 



11. CusT A, Fleming. 'NexxsiicnTus, Du7n. et Bib. DrdC'ddua., Guer. 



Scales of the back unequal. Tail with a serrated crest on each 

 side. Throat with a collar of large scales. Tongue not sheathed 

 at the base ; palate toothless ; cheek-teeth compressed, 3-lobed ; 

 nostrils lateral, small, in the centre of a large oval plate. Toes 

 5-5, not keeled beneath, nor toothed on the edge. 



The Smaller Dragon. Custa bicarinata, Fleming, Phil. 

 Zool. ii. 274. Lacerta bicarinata, Linn. S. N. i. 361. Guerin, Lc. 

 t. 3,/. 2. Dum. et Bib. E. G. v. 64, t. 49. Thorictis Guianensis, 

 Waglei', Syst. 153, junior. Monitor crocodilinus. Gray, Griffith, 

 A. K. xi. t. 16. 



Brown, with large blackish spots and cross bands ; sides and 

 beneath yellowish. 



a. Young, in spirits. Tropical America. 



D 



