PLATE XX. 



Figs. 1 and 2. Coniopteris hymenophylloides (Brongniart). Pago 108. 

 (From a specimen in the Whitby Museum, No. 2373.) 



Figs. 3a and 36. Cladophlebis denticulata (Brongn.). P. 143. [13,488.1 



Figs. 4 and 4a. Cladophlebis denticulata (Brongn.). P. 142. [39,249.] 



