^{page 8 note 1} Survey Memoirs, The Geological Structure of the N.W. Highlands of Scotland, 1907.

^{page 8 note 2} Physics of the Earth's Crust, 2nd ed., p. 321.

^{page 9 note 1} Nature, February 11, 1897.

^{page 9 note 2} American Journal of Science, 1906.

^{page 10 note 1} Nature, February 27, 1896, also May 12, 1898.

^{page 10 note 2} British Association Report, 1903 and 1906.

^{page 10 note 3} Burrard, Colonel, Phil. Trans. vol. clv, A 394, p. 294.Google Scholar

^{page 10 note 4} Physics of the Earth's Crust, 2nd ed., Appendix, ch. xxvii.

^{page 10 note 5} Proc. American Phil. Soc., 1907, vol. xlvi, p. 221.Google Scholar

^{page 10 note 6} Thomson, & Tait's, Natural Philosophy, 1883 pt. ii, p. 442.Google Scholar

^{page 10 note 7} Knott's, Physics of Earthquakes, p. 104.Google Scholar

^{page 10 note 8} Physics of the Earth's Crust, Appendix to 2nd ed., p. 34.

^{page 11 note 1} Poincuré, , The New Physics: International Scientific Series, 1907, vol. xc, p. 173.Google Scholar

^{page 11 note 2} Proc. Cambridge Phil. Soc.