^{page 350 note 1} Slightly abridged.

^{page 352 note 1} Strahan, A., Pres. Address to Geol. Soc., 1913.Google Scholar

^{page 352 note 2} Mem. Geol. Surv., Thicknesses of Strata, pp. 88 and 110.Google Scholar

^{page 354 note 1} “The Search for New Coalfields in England”: Royal Institution of Great Britain, 03 17, 1916.Google Scholar

^{page 355 note 1} The Building of the British Isles, p. 169, 1911.Google Scholar

^{page 355 note 2} Q.J.G.S., vol. lvii, p. 94, 1901.Google Scholar

^{page 356 note 1} Q.J.G.S., vol. lvii, p. 264, 1901.Google Scholar

^{page 356 note 2} Q.J.G.S., vol. lxix, pp. 433–53, 1913.Google Scholar

^{page 356 note 3} Q.J.G.S., vol. xvii, pp. 457–67, 1861.Google Scholar

^{page 356 note 4} Q.J.G.S., vol. lvii, pp. 86–95, 1901.Google Scholar

^{page 356 note 5} Ibid.

^{page 356 note 6} Ibid.

^{page 357 note 1} The Keuper Marls around Charnwood, pp. 47–50, 1904–11.Google Scholar

^{page 357 note 2} Trans. Inst. Min. Eng., vol. 1, pt. iii, 1916.

^{page 357 note 3} Q.J.G.S., vol. lxiv, pp. 171 et seq., 1908.Google Scholar

^{page 358 note 1} Mr. Wedd has recently described a similar break between the Middle and Upper Coal-measures of the northern part of the Flint Coalfield. (See Summary of Progress of Geol. Surv. for 1912, pp. 14, 15.)Google Scholar

^{page 358 note 2} Phil. Trans. Roy. Soc. London, Series B, vol. cciv, pp. 431–7: “On the Fossil Floras of the Wyre Forest, etc”Google Scholar

^{page 358 note 3} Fed. Inst. Min. Eng., vol. viii, p. 357, 1894–5.Google Scholar

^{page 359 note 1} Trans. Inst. Min. Eng., vol. li, pt. i, pp. 99–153, 1916.Google Scholar

^{page 361 note 1} Report on “The Coal Resources of the World”, for the Twelfth Intern. Geol. Congress, 1913.Google Scholar

^{page 362 note 1} Arnold, Ralph, “Conservation of the Oil and Gas Resources of the Americas”: Econ. Geol., vol. xi, No. 3, p. 222, 1916.Google Scholar

^{page 362 note 2} Institution of Petroleum Technologists, 04, 1916.Google Scholar

^{page 362 note 3} Jevons, H. S., British Coal Trade, 1915, p. 710.Google Scholar

^{page 362 note 4} IIbid., p. 716.

^{page 363 note 1} Slichter, Water Supply Paper No. 67, U.S. Geol. Surv.: “The Motions of Underground Waters.”Google Scholar

^{page 368 note 1} The two maps have not been reproduced from Mr. Reeves' Address, but the small diagram is given and shows the areas mapped and unmapped and their relative proportions.