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.