Fig. 9. Fragment of calcareous coniferous wood from the Lias of Charmouth, Dorsetshire: the vegetable structure is well preserved.
Plate IV.
PLATE IV.
Fossil Fern Leaves.
Figs. 1, & 2. An ironstone nodule, split asunder, showing an inclosed fern-leaf (Alethopteris lonchitidis, of Sternberg); from the coal-beds of Newcastle.