RECORD: Darwin, C. R. 1846. [Note on sandstone and query on coral reefs]. In Stokes, J. L., Discoveries in Australia, with an account of the coasts and rivers explored and surveyed during the voyage of H.M.S. Beagle in the years 1837-38-39-40-41-42-43, by command of the Lords Commissioners of the Admiralty. Also a narrative of Captain Owen Stanley's visits to the islands in Arafura Sea. London: T. and W. Boone, Vol. 1: 108, 331.

REVISION HISTORY: Scanned, transcribed and edited by John van Wyhe and Kees Rookmaaker 9.2006. RN3

NOTE: The surrounding pages are given as images to provide relevant context.

John Lort Stokes (1812-1885), naval officer, served on all three voyages of the Beagle; he was mate and Assistant Surveyor on the second voyage (with Darwin) and commanded at the end of the third. He returned to England in September 1843 after eighteen years' service in the Beagle.

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Since this was written, I have consulted my friend, Mr. Darwin, who has kindly examined a specimen I brought away. He pronounces it "a superficial highly ferrugineous sandstone, with concretionary veins and aggregations."1 The reader should, however, consult Mr. Darwin's work on the 'Geology of Volcanic Islands,' p. 143.

1 The specimen was collected on 7 February, when the Beagle was anchored 1 1/2 miles from Port Swan, Western Australia (see pp. 95 and 101).

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"Are there masses of coral or beds of shells some yards above high water mark, on the coast fronting the barrier reef?"1

1 See Correspondence vol. 13, p. 345.

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Citation: John van Wyhe, editor. 2002-. The Complete Work of Charles Darwin Online. (

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