[70] "Man's Place in Nature," p. 156.
[71] Turbo littoreus, Mytilus edulis, Cardium edule.
[72] The term, of course, is used here in the sense of either a slaty rock or a hard shale.
[73] The ruins of which (in the Bay of Baiæ) gradually sank after the middle of the fifth century until (probably towards the end of the fifteenth century) the floor was more than twenty feet under water. Since then it has risen up again.—"Principles of Geology," chap. xxx.
[74] He had expressed his doubts, in this and the former editions, as to the validity of the proofs of a gradual rise of land in Sweden.
[75] Life, Letters, and Journals, vol. i. p. 436.
[76] Lyell's specimens appear to have come from Kured, two miles north of Uddevalla, and only one hundred feet above the sea, but barnacles were obtained by Brongniart at two hundred feet.—"Principles of Geology," chap. xxxi.
[77] "Antiquity of Man," chap. iii.
[78] "Principles of Geology," ch. xxxi. "Antiquity of Man," ch. iii.
[79] "On the Structure of Large Mineral Masses," etc. Trans. Geol. Soc. Lond., iii. p. 461.