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CHAP. VI.
POST-TERTIARY STRATA.
343
littoral in draughts of Iceland, Norway, and Ireland; and Col. Sabine's observations on the sea current of the Maranon show, that, at a distance of 300 miles from its mouth, the fresh water of that mighty river floats on the heavier water of the sea, and retains its earthy discoloration.
END OF VOLUME I.
