Mr. Gra3''s Synopsis of the Genera of Saurian Reptiles. 57 



LoPHYRUs Oppel. (part). Uranascodon, Cai^p. Head 

 scaly ; back toothed ; toes simple. 



Lacerta superciliosa, Linn.'^ Seba. t. 109.y.' 4. 

 ** Femoral pores distinct ; toes simple. 

 Iguana, Daud. Teeth denticulated ; back crested ; toes 

 inequal. 



Lacerta Iguana, Linn. 

 Amblyrhynchus, Bell. Teeth 3-lobed ; toes subequal ; 

 back and tail crested. 

 A. cristatus, Bell. 

 PoLYCRUs, Cuv. Teeth 3-lobed ; head shielded ; back 

 simple ; tail long, cylindrical. 

 Lacerta marmorata, Linn. 

 Cyclura, Harlan. Teeth 3-lobed ; head shielded ; back 

 denticulated ; tail with whorled spiny scales ; palate 

 toothless. 



Lacerta acanthura, Shaix. 

 ff Teeth simple, marginal, entire. 



Fam. VI. CHAMELEONIDiE. 

 Toes united into two groups, to the claws ; tail prehensile ; 

 body compressed. 

 Chameleon. — Africa and India. 

 Lacerta chameleon, Linn. 



Fam. VIL AGAMID^. 



Toes free, long, unequal ; head depressed, behind swollen ; 

 tail simple. 



* Femoral pores none. 



Agama, Oppel. Neck and sides simple. — Old and Nexe 

 World. 



* Trapelus, Cuv. Scales smooth." 

 ** Scales keeled ; head scaly. 



*** Scales keeled ; head with large occipital plate. 

 **** Scales keeled ; head with plates. 

 Clamydosaurus. Neck with a plaited frill on each side. 

 — New Holland. 



C. Kingii. — King's Voyage. 



Du Aco, Li7m. Neck with two plaits ; side of body with 

 wing-like expansion. — hidia. 



D. volans, Linn. 



* Femoral pores distinct. 



Loi'UURA. Tail with a raised fin-like dorsal crest; toes 

 fringed. — India. 



Lacerta Lophura, Shaiso. Lacerta Amboinensis, 

 Schlosser ? 

 NewScries. Vol. 2. No. 7. J«(y 1S27. I Zonu- 



