9 6 



URODELA 



its difference from the European. They have very little in 

 common. Pachytriton, Tylototriton, and two species of Triton 

 (T. pyrrhogaster and T. sinensis) are the only Salamandrinae, while 

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



GEOGRAPHICAL DISTRIBUTION OF THE URODELA 



Urodela, excepting the two American Tritons, T. torosus and 

 T. viridescens. The occurrence of an Amblystoma, A. persimile, 

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

 others will in all probability be found. It must also be borne in 



