CLASS REPTILIA. ' 



Umher Ophyessa. Ophyessa Plica. Lac. Plica, Lin. Agama 

 Plica, and A. Umhra, Daud. LopJi. Agamoides, Gray. 

 Ann. Phil. 



Back with minute scales, sides of neck behind the ear with 

 four bundles of spines. 



3. Tail round, tapering, with spinose, whorled scale ; ears 

 spinose in front, back and belly scaly. Tropidurus, Pr. 



Maw. 



Palate toothed, Oplurus, Cuv. 



Collared Tropidurus. Trap. Torquatus, Pr. Max. t. Agama 

 Taraguira, Licht. 



Green ; black stripe on each side the neck ; eyelid black 

 rayed, back with lines of spot when young. Mus. Brit. See 

 Agama Nigricollis, Spix, t. 16, f. 2, but Spix says it has 

 no palatine teeth. This may be, Ephimotes, Cuvier 47, 

 but certainly it has no pores. 



Tubercular Tropidurus. Trop. Tuberctilata, Gray. Agama 

 Tub. Spix, t. 15, f. 1, i 2, c? 



Green, black spotted ; streak on side of neck black ; scales 

 of back and feet keeled ; the dorsal ones the largest. 

 Brazils. 



Cuvier''s Tropidurus. Trop. Cuvieri, Gray. Oplurus Tor- 

 quatus, Cuv. ij. 48. Seba. j. t. 94. f. 4. Cop. Shaw Zool 

 t. 69. 



Dorsal scales minute, keeled ; caudal scales large, keeled ; 

 with a black half collar on each side the neck. Braz. 



*^* " Palate toothless,'''' Spix. 



Half-banded Tropidurus. Trop. SemitcBniatus. Agama 

 sem., Spix, t. 15. f. 1. 



41 



