A Manual of Elementary Geology / or, The Ancient Changes of the Earth and its Inhabitants as Illustrated by Geological Monuments

by Sir Charles Lyell

Fig. 208.

Inoceramus Lamarckii.
Syn. Catillus Lamarckii.

White Chalk (Dixon's Geol. Sussex, Tab. 28. fig. 29.)

Fig. 209.

Eschara disticha.

• a. Natural size.
• b. Portion magnified.