1B25*J^ Mi\ Gray on the Genera of Reptiles, |QSt 



5. Hemidactylus. Hemidactyles, Cuv, * 



Tail round, beneath ringed ; toes dilated at the base into an 

 oval disk, formed of two series of scales ; claws and femoral 

 pores distinct. Old Continent. 



*H. tuberculosus, Grai/, Gecko, Daud, H. maculatus. 

 Gray. Gecko maculatus, Merrem, *^'? H. triedrus ; H. acu- 

 leatus ; and H. platyurus, Gecko, Merrem; belong to this genus. 



6. Gecko. 



Tail round, scaly ; toes dilated their whole length, furnished 

 with transverse series of scales, clawed ; thumb clawless ; femo- 

 ral pores distinct. 



G. verus, Merrem, Lacerto gecko, Lin, G. vittatus and G 

 Spectator, Merrem, belong to this genus. 



7. Tarentola, Gra^. 



Tail round, scalar ; toes dilated their whole length, furnished 

 with transverse series of scales ; thumb, index, and little fingers 

 clawless; femoral pores none. 



T. stellio. Gecko stellio, Merrem. Lacerta Mauritanica, 

 Lin. .q 



8. Platydactylus, Gray. Platydactyles, Cuv. 



Tail round, scaly ; toes dilated their whole length, furnished 

 with a series of scales, clawless ; femoral pores none ; thumb 

 very small. Isle of France. 



P. Cuvieri, Gray, Gecko inungius, Cuv. P. ocellatus, 

 Gray, Gecko, Cuv. and P. squahdus, Gray. Gecko, Daud. 



9. Phelsuma, 7iob. 



Tail round scaly ; toes dilated their whole length, furnished 

 with a series of scales, clawless ; thumb small ; femoral pores 

 distinct. Isle of France. 



P. crepidianus. Gecko, Merrem, P. ornatum. Gray. Brown, 

 back ornamented with six rows of red oval spots. Capt. King. 



§11. Tongue extensile. Saurase, Merrem, 



jfe/W. III. TuPINAMBIDiE. 



Tongue deeply two cut, very extensile ; teeth only in the jaws; 

 tail mostly laterally compressed ; subaquatic (allied to the Emy- 

 dosauri). 



1. Uranus, Merrem. Tupinambis, Lam. Monitors, Cuv. 

 Teeth conical ; throat collarless ; head and body scaly ; belly 

 annulated ; toes 5-5 ; femoral pores none. The Ancient Continent. 



*Tail rounded. U. Dracaena, Merrem. L. Draceena, Lin. 

 ** Tail compressed, beneath rounded. 1 . U. varius, Merrem. 

 Lacerta varia, White, N. H. 



