Note 33 — Chapter XIII
Reading edition
Anniversary Address to the Geological Society, Feb. 19, 1836, p. 30; and Principles of Geology, vol. i., p. 269, and vol. iv., p. 47, fifth edition.
Reading edition
Anniversary Address to the Geological Society, Feb. 19, 1836, p. 30; and Principles of Geology, vol. i., p. 269, and vol. iv., p. 47, fifth edition.