I.—On some Inclusions in the Great Whin Sill of Northumberland

^{page 246 note 1} The term ‘mould’ is used in this connexion without any implication that the knob has taken its shape from the mould. The observations, in fact, rather point to the contrary.

^{page 250 note 1} Quart. Journ. Geol. Soc., vol. xl, p. 654, 1884.

^{page 251 note 1} See J. J. H. Teall, British Petrography, 1888, pp. 42, 43, also, among others, J. W. Judd, Q.J.G.S., 1890, p. 341; 1893, p. 536; and A. Harker, The Tertiary Igneous Bocks of Skye, 1904, pp. 331, 339.

^{page 252 note 1} A. Harker, The Tertiary Igneous Bocks of Shye, 1904, p. 402.

^{page 252 note 2} Teall, J. J. H., Geol. Mag., Dec. III, Vol. VI, p. 481, 1899.Heslop, M. K. & Smythe, J. A., Q.J.G.S., vol. lxvi, p. 1, 1910.

^{page 253 note 1} G. A. Lebour & Mark Fryer, “On the Harkess Rocks, near Bamburgh” North of England Institute of Mining and Mechanical Engineers, vol. xxvi, p. 1, 1877.

^{page 253 note 2} Topley, W. & Lebour, G. A. “On the Intrusive Character of the Whin Sill of Northumberland”: Q.J.G.S., vol. xxxiii, p. 406, 1877.

^{page 254 note 1} Heslop, M. K. & Smythe, J. A. “The Dyke at Croobdene,” etc.: Q.J.G.S., vol. lxvi, p. 1, 1910.