Note 88 — Chapter XXXI · THE PERMIAN VOLCANOES OF SCOTLAND
Reading edition
See Murchison's Siluria, 4th edit. p. 331; Quart. Journ. Geol. Soc. vol. vii. (1851), p. 163, note; vol. xii. (1856), p. 267; Binney, ibid. vol. xii. (1856), p. 138; vol. xviii. (1862), p. 437; Harkness, ibid. vol. xii. (1856), p. 262.