[2] Phil. Mag., January, 1863.
[3] Athenæum, September 22, 1860.
[4] Trans. Glasgow Geol. Soc., vol. iv., p. 313.
[5] See Mr. Hopkin’s remarks on this theory, Quart. Journ. Geol. Soc., vol. viii.
[6] See Chap. xxv.
[7] See Chap. iv.
[8] “Treatise on Astronomy,” § 315; “Outlines,” § 368.
[9] Annuaire for 1834, p. 199. Edin. New Phil. Journ., April, 1834, p. 224.
[10] “Cosmos,” vol. iv. p. 459 (Bohn’s Edition). “Physical Description of the Heavens,” p. 336.
[11] Phil. Mag. for February, 1867, p. 127.