^{page 241 note *} Description of the Western Islands of Scotland, 1819, vol. i, pp. 275–278Google Scholar vol. iii, map opposite p. 67 and plates 16 and 17.

^{page 241 note †} Essai Géologique sur l'Écosse, 1820, pp. 220 et seq.

^{page 241 note §} Trans. Roy. Soc. Edin., vol. xxii (1861), p. 649Google Scholar.

^{page 241 note ¶} Q.J.G.S., vol. xxxiv (1878), p. 676Google Scholar.

^{page 241 note ††} “Tertiary Igneous Rocks of Skye,” Mem. Geol. Surv., 1904, pp. 237, 385.

^{page 241 note ‡} Q.J.G.S., vol. vii (1851), pp. 108–109Google Scholar.

^{page 241 note ∥} Q.J.G.S., vol. xxix (1873), pp. 328–331Google Scholar.

^{page 241 note **} Ancient Volcanoes of Great Britain, vol. ii (1897), pp. 304–307Google Scholar.

^{page 242 note *} Q.J.G.S., vol. lxxxvi (1930), pp. 355–398Google Scholar; Trans. Roy. Soc. Edin., vol. lvi (1931),pp. 753–766Google Scholar.

^{page 244 note *} Op. cit., pp. 247–251.

^{page 244 note ‡} Walker, F., Q.J.G.S., vol. lxxxvi (1930), pp. 367Google Scholar.

^{page 244 note §} Occasionally (e.g. in the Druim na Slochd sill) it may be of later crystallisation, exhibiting in this case an ophitic relationship relationship towards the plagioclase.

^{page 244 note †} They are then of the Crinan type and may be termed crinanites.

^{page 245 note *} Walker, F., Trans. Roy. Soc. Edin., vol. lvi (1931), p. 757Google Scholar.

^{page 245 note †} Trans. Geol. Soc. Edin.

^{page 246 note *} Trans. Roy. Soc. Edin., vol. lvi (1931), p. 758Google Scholar.

^{page 247 note *} Including migratory serpentine, and therefore only approximately accurate.

^{page 248 note *} Walker, F., Q.J.G.S., vol. lxxxvi (1930), p. 368Google Scholar.

^{page 248 note †} Walker, F., Trans. Boy. Soc. Edin., vol. lvi (1931), p. 760Google Scholar.

^{page 249 note *} Op. cit., p. 251.

^{page 249 note †} MacCulloch, in giving the height of the cascade as 300 feet, is guilty of one of his very rare exaggerations, the true figure being in the neighbourhood of 160 feet.

^{page 251 note *} F. Walker, op. cit., p. 366.

^{page 251 note †} Min. Mag., vol. xii (1929), pp. 114–119Google Scholar.

^{page 252 note *} Evolution of Igneous Rocks, 1928, pp. 151–159.

^{page 252 note †} “Tertiary and Post-Tertiary Geology of Mull,” Mem. Geol. Sun., 1929, p. 33.

^{page 252 note ‡} Loc. supra cit.

^{page 252 note §} Mem. Geol. Surv., Summary of Progress for 1930, pt. ii, pp. 48–50.

^{page 254 note *} “Tertiary Igneous Rocks of Skye,” Mem. Geol. Surv. (1904), p. 248.

^{page 254 note †} Kennedy, W. Q., Geol. Mag., vol. lxviii (1931), pp. 178–179Google Scholar.

^{page 255 note *} A. Harker, op. cit., p. 251.

^{page 255 note †} Mem. Geol. Surv., Summary of Progress for 1930, pt. ii, pp. 61–73.

^{page 255 note ‡} W. Q. Kennedy, loc. supra cit.

^{page 256 note *} Cf. W. Q. Kennedy, op. cit., p. 71 (B).

^{page 256 note †} Op. cit., p. 68.

^{page 256 note ‡} J. V. Lewis, “Ann. Rep. of State Geologist for 1907,” Geol. Surv. of New Jersey, pp. 99–133.

^{page 256 note §} J. V. Lewis, op. cit., p. 121, analyses iv and v.

^{page 257 note *} A. Haeker, op. cit., chap. iii.