LESSONS IN Gl 



LBH1XMMUIDMMI. 



CAI.AMITIS. 



A COAL FOREST. 



8IGILLARIA. 

 CALAMITIS. 



from the roof, crushing the man underneath. It was in one of In the same matrix a pupa, the first land shell yet diacorered 

 these trees that the bones of a lizard some two feet long were was also found. The shell is like a chrysalis, whence it* nam*. 

 found; it was named by Owen, the Dendrerpeton Acadianum. [ In 1853, reptilian remains were first found in British oo.-l 



