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Published online by Cambridge University Press: 01 May 2009
page 431 note 2 Quart. Journ. Geol. Soc., vol. xiv.
page 431 note 3 Vol. vi., p. 355
page 431 note 4 “Chemical Geology,” vol. iii., p. 300.
page 431 note 5 “Rocks Classified,” p. 157.
page 434 note 1 Sorby “On Examination of Rocks and Minerals” in Dr. Beal's Work on the Microscope.
page 438 note 1 From the Richmond and Ripon Chronicle, June 25th, 1870.