CLASS REPTILIA. 



Q. Head ^skort and broad, above shielded ; body long, com-' 

 pressed; vertebral scales square; lateral scales linear. 

 Dipsas. . 



a. Subcaudal scales double. Dipsas, Laur. Bungarus, 



Oppel. ■ t 



Dipsas Indica, Laur. Col. bucephalus, Shaw, Seba, i. 



t. 43. Col. atrox, Gmel. Dipsas bucephalus, Boie. 



Dipsas dendrophila, Rein. Wagler, t. 8. Col. peruvianus, Sh. 



Dip. Drapiezii, Boie, Isis, xx. 549. Dipsas multo- 



maculata. Rein. Russ. t. 23. Dipsas cynodon, Cuv. Boie, 



Isis. Dipsas trigonatus, Boie. Dipsas irregularis. 



Col.irreg, Mer. t. 4. Hurria pseudotriga, Daud. Dip. cen- 



choa, Boie. Col. cenchoa, Lin. Seba, ij. t. 16. f. 2. Dip. 



Catesboei. Col. Cates. Weig. Bungarus, Oppel Dip. 



nebulatus. Col. nebulatus, Lin. Dip. compressus, Boie. 



Col. compressus, Daud. Dip. Savignii, Boie. 



b. Sub-caudal plates simple, fangs, with the teeth. Bunga- 



rus, Daud. 



Bungarus caeruleus, Daud, Boie, Russel, 1. 1. Boa latotecta 



Herm. Bungarus annularis, Daud. Russel, t. 3. 



Bung, semifasciatus, Oppel. Seba. Col. candidus, Lin. 



R. Head, scales, with small plates over the face and between 

 the eyes, with plates, simple, double, a simple and double. 

 Cerebus, Cuv. Homolopsis, Boie. 



Col. Cerberus, Daud. Hydrus rhynchops, Schn. Euby- 

 dris rhynchops, Latr. Hydrus cinereus, Sh. Python rhyn- 

 chops, Mer. Homalophis rhinchops, Boie. Homolopsis 



obtusatus, Boie. Hem. erythrogammus, Boie. Col. ery- 



throgammus, Daud. Hern, carinicaudatus, Boie. Col. 



carinicaudatus, Pr. Max. Col. monilis, Lin. Col. buc- 



catus, Lin. Mus. t. 19. Vipera buccata, Daud. Vipera 



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