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Published online by Cambridge University Press: 01 May 2009
page 222 note 1 London, 1832.
page 222 note 2 M. Boue considers this a marine basin of an early Tertiary period.
page 224 note 1 Bull. de l' Acad. Roy. de Belgique, t xix.Google Scholar
page 225 note 1 Quart. Journ. Geol. Soc. vol. ii. 1855.Google Scholar