CLASS REPTILIA. 



tifera, Laur. Bufo margaritifera, Daud. OH. ocellata, 



Tympanum, obscurely seen through the skin. Dark brown, 

 with white edged brown spots. 



B. Tongue distinct; tympanum hidden; toes 3, inner clawed ; 

 mouth toothed. Dactylethra, Cuv. Engystoma, Fitz. not 

 Merrem. Xenopus, Wagler. 



Xenopus Boiei, Wag. Pipra BufFonia, Mer. Bufo laevis, 

 Daud. Pipa Isevis, Mer. Engystoma ovalis, Fitz. ? — Rana 



fasciata of Burchers Travels, may belong to this genus. 



Xenopus ovalis, Rana ovalis, Schn. Microps unicolor. Wag. 



C. Tongue distinct, tympanum hidden ; toes clawless ; 



mouth large, eyebrows rounded. Bombinator. 



B. igneus. Rana bombina, Gm. variegata, Lin. Bom- 

 binator Daudini, Bufo ventricosus, Daud. Engystoma ven- 

 tricosa, Fitz. 



D. Month large ; eyebrows acute. S*rombus, Gray. 



Ceratophys granulata, Cuv. C- Boiei, Pr. Max. Physa- 

 lamis Cuvieri, Fitz. 



£. Mouth atid head small, paratoides no7ie ; toes, 5, 4. Bre- 

 viceps. Engystoma, part Fitz. 



Breviceps gibbosus, Bufo gibbosus, Daud. Engystoma 



dorsatum, Cuv. Seba. R. systoma, Schn. Breviceps mar- 



moratum, Engyst. marmorutum, Cuv. not described^— — Bre. 



granosus, Engyst. granosus, Cuv. Bre. Surinamensis, R. 



Suninamensis, Daud. R. Bufonia, Mer. Bre. globulosus, 



Bufo, glo. Spix, t. 19, f. 1. Chaunus marmoratus, Wagler. 



Bre. albifrons, Bufo albifrons, Spix, t. 19, f. 2. Paludi- 



cola albifrons, Wagler. Bufo ephlppium, Spix. This 



species has only three toes on all the feet, and Fitzinger has 

 made .a genus of it, therefore, under the name of Brachy- 

 cephalus. 

 104 



