Note 57 — J. E. MARR, M.A., F.R.S. (continued 3)
Reading edition
These rocks are described by T. McK. Hughes, Quart. Journ. Geol. Soc., vol. XXXIV. p. 137, and XXXV. p. 682; by Prof. T. G. Bonney, ibid. vol. XXXIV. p. 144; and by Dr Hicks, ibid. vol. XXXV. p. 295.