PAL^EONTOGRAPHICAL SOCIETY, I9IO. 



Pocock, British Carboniferous Ar a ch.nl da. 



1. x4 



pi.ie. 



la. x4 



5. x2Vs 





4. x7 



G.M.Woodward del.eb lifcK 



'■■"^m 



^ 



ttr* 



m 



1,._ 



2a. x4 





4a. x7 



x2 



Wesb, Newman imp. 



