THE BRITISH AMPHIBIANS. 137 



Herewith is a list of 



BRITISH AMPHIBIANS PAST AND PRESENT. 



ECAUDATA. 



RANIDJS. 



' / 



82. Rana temporaria (Forest Bed and Existent), Common 



Frog. 



83. Rana esculenta (Forest Bed and Existent), Edible 



Frog. 



BUFONIDJS. 



84. Bufo vulgaris (Forest Bed and Existent), Common 



Toad. 



85. Bufo calamita (Existent), Natterjack. 



CAUDATA. 



SALAMANDRIDm. 



86. Triton cristatus (Forest Bed and Existent), Crested 



Newt. 



87. Triton vulgaris (Existent), Smooth Newt. 



88. Triton palmatus (Existent); Webbed Newt. 



LABYRINTHODONTA. 



MASTODONSA U RID IE. 



Mastodonsaurus giganteus (Keuper). 

 Mastodonsaurus pachygnathus (Keuper). 

 Labyrinthodon laniarius (Keuper). 

 Labyrinthodon lavisi (Keuper). 

 Labyrinthodon leptognathus (Keuper). 

 Labyrinthodou ventricosus (Trias). 

 Diadetognathus varvicensis (Keuper). 

 Metopias diagnosticus (Rhsetic). 



ANTHRACOSA U RID IE. 



Anthracosaurus edgei (Coal Measures). 

 Anthracosaurus russelli (Coal Measures). 

 Loxomma allmanni (Carboniferous). 

 Dasyceps bucklandi (Permian). 

 Megalerpeton plicidens (Coal Measures), 

 Megalerpeton simplex (Coal Measures). 



