Note 112 — Chapter XI · THE CAMBRIAN VOLCANOES OF NORTH WALES, THE MALVERN HILLS AND WARWICKSHIRE
Reading edition
For various readings of these sections, compare Mr. Blake (Quart. Jour. Geol. Soc. vol. xlix. (1893), p. 450) with Professor Bonney and Miss Raisin (op. cit. vol. l. (1894), p. 581).
[113] See Professor Bonney and Miss Raisin, op. cit. p. 593 et seq.