Figs. 3, & 4. The corresponding parts of another nodule, containing a fern-leaf of a different kind (Neuropteris).

Fig. 5. A very beautiful fossil fern (Cheilanthes microlobus, of Göppert; Sphenopteris, of Brongniart); from the coal formation.

Fig. 6. A slab of coal-shale with fronds of ferns (Alethopteris Serlii, of Göppert); from Dunkerton.

Fig. 7. A beautiful fern (Pecopteris) in coal-shale; from Newcastle.


Plate V.