302 CLASS XV. 



Sp. Tropidurus torquatus MAXIM., Abb. zur Naturgesch. Bras. Lief. vi. ; in 

 Brasil, on rocks, old walls; runs quickly and climbs with great facility. 



Hoplurus Guv., FITZ. Throat folded transversely. Anal pores 

 none. Nape subcristate. 



Sp. Tropidurus Cuvieri GBAY, WIEGM., Uromastix cydurus MEBB., SEBA 

 TJiesaur. I. Tab. 97, fig. 4, GUEB. Icon., Rept. PL 12, fig. 3; this species 

 is the true Quetz-paleo of SEBA, which name has been given erroneously to 

 various other species of Saurii. 



Strobilurus WlEGMANN, Steironotus FITZ., in part. 



Steirolepis FITZ., Platynotus WAGL., Microlophus DUM. and 

 BIBR. 



Platycercus AUG. DUM. Head covered with polygonal scales, 

 scabrous. Palatine teeth. Fold at the sides of throat. Two or 

 three femoral pores on each side, scarcely conspicuous. Tail short, 

 thick, flat below, armed with aculeate spines above. 



Sp. Platycercus aculeatus AUG. DUMEBIL, Revue et Magas. de Zool. 1854, PL 

 I 2 ; habitat in Brasil. 



Urocentron KAUP, Doryphorus Cuv. Palatine teeth none. 

 Deep jugular fold. Scales of back small, not imbricate, smooth, 

 gibbous. Femoral pores none. Tail verticillate with large keeled 

 scales. 



Sp. Urocentrum azureum WAGL., Lacerta azurea L., SEBA Thes. n. Tab. 62, 

 fig. 6, Stellio brevicaudatus DAUD. Rept. iv. PL 47; GUEB. Icon., Rept. 

 PL 6, fig. 3, &c. 



Here also FITZINGEB placed, under the name of Doryphorus Maximiliani, 

 the species described by the PBINCE of NEUWIED as the Quetz-Paleo of 

 SEBA, Nov. Act. Acad. Leop. Car. xiv. Tab. 15 (Opiums Maximiliani DUM. 

 and BIBB.). 



(On some other sub-genera comp. FITZINGEB Syst. Rept. 1843, pp. 

 7079)- 



Phalanx II. Iguanoe, s. Dendrobatce. Body compressed, with 

 back keeled, often crested. Head tetragono-pyramidal. Mem- 

 brane of tympanum mostly naked, superficial. 



A. With teeth united to the inner side of jaws. 



Anolius Cuv., (Anolis DAUD., DUM.), Dactyloa WAGL. Head 

 flat above, declivous at the sides, covered with numerous scutella, 

 often tuberculate. Palatine teeth. Aperture of auditory meatus 



