CLASS REPTILIA. 



ventus, Daud. Merr. Seba, ij. t. 86. f. 5. Col. lutrix, Lin. ? 

 Homalosoma arctiventris. Wag. Elaps Lutonia and E. Duber- 



ria, Sch. Duberria arctiventris, Fitz. O. punctatus. 



Col. punctatus, Latr. Homolosoma punctatum, Wagler. 



E, Head, very long, very distinct ; gape very, wide ; tail, 

 very long ; scales small and oblique series, partly 

 keeled. Herpotodryas, Wag. Erpetodryas, Boie. Inhab. 

 South America. 



C. carinatus, Boie. Col. carinatus, Lin. Merr. Seba, ii* 

 t. 54, t. 56, f. 3, t. 71, f. 12. C. fuscus, Lin. Col. sub- 



fuscus, Lacep. Natrix bicarinatus. Wag. E. laevicoUis, 



de Col. laevicollis, Pr. Max.- E. exoletus, Lin. Mus. 



Adolph. Col. bicarinatus, Pr. Max. Col. carinatus, var. 



Merr. Natrix exoleta, Lau. — 7-C0I. quadricarinatus, Fitz. 

 Erpet, Boie. Col. pyrrhopogon. Pr. Max. — — Col. sex- 

 carinatus, Pr. Max. Natrix cinnamomea. Wag. Without 

 epidermis, back with six series of keeled scales. 



F, Tail conical, sub-caudal plates Jirst simple, then two 



rowed, dorsal scales uniform. Hurria. Daud. 



Hurria bilineatus, Daud, Rup. Hurria Nympha, Mer. 



Col. Nympha, Daud. from Russel, t. 36, 37- 



G, Head scarcely distinct from the body, gape small or 

 • moderate, teeth colubrine, the hinder rather larger, scales 



imbricate, very smooth, abdomen arcuate, Coronell^ Laur. 

 Erythrolampus Liophis and Cloelia, Wag. 



American. . - 



Con venustissima. Col. venustissima, Pr. Max. Col. bina- 



tus, Lich. Col. agilis, Lin. Col. ^Esculapii, Lin. Mus. 



Adolph. t. 21. Ccl poecelogyrus, Pr. Max. Liophis poe. 



Wag. Body marbled the whole length. Col. formosus, 



Pr. Max. Ery. formosus. Wag. Col. cloelia, Daud. 



89 



