Note 34 — Chapter II
Reading edition
Quart. Journ. Geol. Soc., liv, 1898, pp. 197-227, especially p. 209; Trans. Roy. Soc. Edinburgh, xl, part i, 1904, p. 83; Vict. Hist. of ... Durham, i, 24. Professor Bonney, however (Quart. Journ. Geol. Soc., lxii, 1906, pp. 491-2, 498), remains unconvinced.