26 CADUCIBRAXCIIIATA. 



ton*; Pleurodelidae — Hemisalamandra, Neurergus. 

 Lissotriton, Lophinus, Euproctus, Cynops, Xotophthal- 

 mus, Pleurodeles, Glossoliga, and Seiranota.f 



The following- table it is believed will enable anv one 

 readily to refer an animal to its proper genus : 



Vomero-palatine teeth transversely arranged or want- 

 ing; sphenoidal teeth wanting, or convergent 

 posteriori v; (a) 

 Vomero-palatine teeth in two longitudinal rows diver- 

 gent behind or sphenoidals present in two elon- 

 gated groups, and thus divergent, (c) 

 a. With a transverse row of teeth between the in- 

 ner nares. ib'f 



a. Teeth not in a transverse row, but running ob- 



liquely backwards and uniting medially at an 

 acute angle H vnobius. ' 9 > 



b. Tail round at the base Amblvstoma. (1 > 



b. Tail compressed at the base. 



OxYCHODACTYLUS. | 2 



c. Hind toes four on each foot, {d > 

 c. Hind toes rive. 1 1 j 



d. Vomero-palatine teeth in a transverse row. 

 rarelv wanting ; sphenoidals in two longitudi- 

 nal groups.each consisting of several rows, (e > 

 d. Vomero-palatine teeth in two longitudinal 

 rows, curved outwardly behind, never in a 

 transverse series; sphenoidals wanting. 



Salamaxdrixa. (ii) 



*His genus Triton only includes part of that of the same 

 name in this work. 



fMost of these genera are given in the following pages under 

 other names. 



