[266] From Geol. Mag. for January, 1871.
[267] Quart. Journ. Geol. Soc., xxvi., p. 517.
[268] British Assoc. Report for 1864 (sections), p. 65.
[269] Quart. Journ. Geol. Soc., xxvi., p. 90.
[270] Geol. Mag., vii., p. 349.
[271] Trans. Edin. Geol. Soc., vol. i., p. 136.
[272] Geol. Mag. for June, 1870. See Chap. XXVII.
[273] This was done by Mr. R. H. Tiddeman of the Geological Survey of England (Quart. Journ. Geol. Soc. for November, 1872), and the result established the correctness of the above opinion as to the existence of a North of England ice-sheet. Additional confirmation has been derived from the important observations of Mr. D. Mackintosh, and also of Mr. Goodchild, of the Geological Survey of England.
[274] Trans. Geol. Soc., vol. v., p. 516 (first series).
[275] Quart. Journ. Geol. Soc., vol. xi., p. 492. “Memoir of the Country around Cheltenham,” 1857. “Geology of the Country around Woodstock,” 1859.