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Published online by Cambridge University Press: 16 March 2015
The author, in the first part of his paper, described the nature of the formations, and in the last part offered his views in explanation of the appearances.
In describing the formations, he enumerated, first, those of aqueous, and last those of ligneous origin.
I. The former consist of the greywacke, the old red sandstone, and the coal-measure formations.