THE AMPHIBIA OF THE CARBONIFEROUS ROCKS 

 OF THE CLYDE DRAINAGE AREA. 



BY THE LATE DR. JOHN YOUNG. 



ONLY a few genera and species of Amphibians have been found in the fresh- 

 water or brackish-water strata from Lower Limestones to the higher beds 

 of the Upper Coal-measures, and usually in a fragmentary state. 



Labyrinthodontia. 



Anthracosaums Russelli, Huxley. Blackband Ironstone, Airdrie and 



Quarter. 

 Loxomma Allmanni, Hux. Shale, Drumgray Coal, Carluke ; 



Palacecraig Blackband, Carnbroe. 

 Megalerpeton plicidens, Young and 



Thomson. Blackband, Quarter. 



M. simplex, Y. and T. Blackband, Quarter. 



Pholaderpeton, sp. Blackband, Quarter ; Blackband, 



Palacecraig. 



Pteroplax cornuta, Hancock and Blackband, Quarter ; Ironstone, Eaes 

 Athey. Gill. 



