Note 69 — Chapter VIII · LAMARCK’S WORK IN GEOLOGY
Reading edition
See vol. iii. of his Mémoires sur differentes Parties des Sciences et des Arts, pp. 209–403. Geikie does not give the date of the third volume of his work, but it was apparently about 1771, as vol. ii. was published in 1770. I copy Geikie’s account of Guettard’s observations often in his own words.