23 Pages in Charles Darwin's Library associated with "geology - pumice"

Description physique des Îles Canaries, suivie d'une indication des principaux volcans du globe.
By: Buch, Leopold von, Freiherr, - Boulanger, C.
Publication info: Paris :F.G. Levrault,1836.
Pages: Page 162 Page 162 Page 163 Page 163 Page 192 Page 328 Page 328 Page 429 Page 429 Page 467 Page 470 Page 470 Page 480 Page 480 Page 482 Page 482 Page 487 Page 488 Page 488
Principles of geology.
By: Lyell, Charles.
Publication info: London :John Murray,1837.
Volume: v.2
Pages: Page 42 Page 42 Page 141