372 CLASSIFICATION OF BEPTILES. 



Anolis Dum. Tail simple^ rounded^ or slightly com- 

 pressed; head shorty not depressed. 



A. bullaris. Cuv. Catesby, Card. ii. pi. 66. 



Xiphosurus Fitz. An elevated crest on the tail^ sup- 

 ported by the spinous processes of the vertebrae ; the 

 declap very large^ and extending to the belly. 



X. Cuvieri Fitz. Reg. Anim, pi. 5. fig. 1. 



Cristatellus. lb. iii. p. 143. (Anolis velifer. Erp. G. iii. 

 p. 164.) 



Dactyloa Wieg. Head greatly elongated and flattened, 

 triangular ; nostrils vertical_, considerably removed 

 from the tip of the snout ; tail nearly round ; the 

 crest obsolete. 



D. Carolinensis Sw. Catesby, Car. pi. 26. 



PoLYCHRUs Cuv, Tocs slender_, free, without any di- 

 lated disk ; tail long, slender, smooth, more or less 

 prehensile ; palate sometimes destitute of teeth; body 

 smooth or not crested ; throat pouched. 



Norops ^Va.g. General structure of Anolis, but the 

 toes have no disk, and the gidar pouch is but small ; 

 palate without teeth, and no pores on the thighs; 

 tail long, but not prehensile ; scales carinated_, but 

 without a dorsal crest. 



A. auratus. Daud. iv. 89. 



Urostrophus Dum. and Bib. Tail long, curled, and 

 prehensile ; teeth in the palate ; femoral pores 

 none. 



U. Vanturi. Erpet. Gen. iv. 79. 



LoBmanotus Wieg. Tail not prehensile ; a transverse 

 fold or ridge under the neck ; no femoral pores ; 

 L. longipes. Weig. Mex. pi. 4. acutirostris. Spix, pi. 14. a. 



Polychrus Cuv. The fourth toe on each foot not 

 longer than the third ; gular pouch small ; tail not 

 obviously prehensile, 

 marmoratus. Seba, pi. 76. 4. anomalus. Erp. G. iv. 69. 



