96 



URODELA 



its difference from the European. They have very little in 

 common. PacJiytriton, Tylototriton, and two species of Tritov 

 (7\ 2)i/n'hof/aster and T. sinensis) are the only Salamandrinae, while 

 all the rest are Lechriodont (see p. 102), like the American 



(iEOGKAPHICAL DISTRIBUTION OF THE URODELA 



Sireniilai' 

 Proteidae 

 Aiui>liiumidiie 



Salamandridar - 



fi s 



Ph o 



< { 



S SJ 



Western Palaearctic. 



1 Proteus 



(1 Andrias, Miocene', 



1 Spelerpes 



14 Triton 

 1 Salamandrina 

 1 Chioglossa 

 3 Salamandra 



21 species, 6 genera 



Eastern Palaearctic. 



1 Cryptobranchus 



1 Anablystonia 



1 Batrachyperus 

 1 Ranidens 

 1 Geoniolge 



1 Onychodactyliis 



2 Salamandrella 

 ■J Hynobius 



1 Pachytriton 



1 Tylototriton 



2 Triton 



1 Siren 



1 Pseud oil ranch us 



1 Necturus 

 1 Typhlomolge 



1 Anipliiunia 



1 Cryptobranchus 



1 Thorius 



1 Haptoglossa 



3 Desmognathus 



21 Spelerpes 



2 Manculus 

 7 Plethodon 



3 Batrachoseps 



1 Typhlotriton 



2 Autodax 



16 Aniblj-stonia 

 1 Dicamptodon 



15 species, 11 genera 



2 Triton 



66 species, 18 genera 



Urodela, excepting the two American Tritons, T. torus as and 

 2'. viridescens. The occurrence of an Amhlystonia, A. 'persiviile, 

 in the mountains of Siam and Burmah, is most suggestive, and 

 thers will in all probability he found. It must also be borne in 



