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Published online by Cambridge University Press: 01 May 2009
page 287 note 1 See Prof. Hull's letter Geol. Mag. April, 1886, p. 189.Google Scholar
page 288 note 1 Am. Jour. vol. iv. p. 463, 1872. Elements of Geol. p. 289.
page 288 note 2 See Geol. Mag. March, 1886, p. 100.