CARBONIGENOUS ERA. 



described. For many years, no remains or traces of any ani- 

 mals superior in organization to fishes were discovered in the 

 carboniferous system, and it was supposed that the next 

 formation in the series marked the era of reptiles. But 

 within the last few years, some scattered instances of reptilian 

 life have been found in the coal era. 



[There are even certain beds that were concluded upon as 

 the top of the Devonian, near Elgin, which, within the last few 

 years (1860), have given forth reptilian remains a small 

 salamandroid batrachian (Tderpeton Elginense), a large saurian 



FIG. 30. 



' y/////- ..A>.~ '///. 



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Telerpeton Elginense. 



