446 



THE CARBONIFEROUS SYSTEM. 



Fig 166.— Ferns of the Middle Coal Formation. 





A, Odontopteris subeuneata (after Bunbury). 



B, Neuropteris cordata do. 



C, Alethopteris lonchitica. 



D, Dictyopteris obliqua (after Bunbury). 



E, Phyllopteris antiqua, mag. (E 1 ) Nat. size. 



F, Neuropteris cyclopteroides. 



(For other species see Figs. 69 to 72.) 



