6 Pages in Charles Darwin's Library associated with "strata/epochs - liassic"

A manual of elementary geology
By: Lyell, Charles, Sir,
Publication info: [s.n.], [s.n.], 1855
Pages: Page 316 Page 319 Page 335 Page 342
Principles of geology
By: Lyell, Charles, Sir,
Publication info: London, John Murray, 1837
Volume: v.4
Pages: Page 292 Page 310