RECORD: Darwin, C. R. (1837-1839). Notebook A: 97e-98e (excised pages). CUL-DAR42.200. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: First transcribed by Kees Rookmaaker and edited by John van Wyhe 7.2009. Text prepared by Christine Chua. 1.2022. RN2

NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR42 contains notes for Darwin's book South America (1846).

Darwin, C. R. (1837-1839). Notebook A: Geology. CUL-DAR127.-


97e

Henslow has deposited specimens from Anglesea in Geolog. Soc. if numbered compare them with my rocks. when writing on Falkland Islds p. 94. Von Buch's Travels account of Norway chain being broken through like that near — Obstruction Sound in S. America The very general absence of fragments & pebbles in mica slate & gneiss, can only (see supra p 94) be accounted for by great molecular attraction of every atom in rock

98e

On a coast, the shallower the water, the greater power of oscillations & currents. — if matter was successively given of every degree of fineness. then most regular slope — if not course enough flat top ended by abrupt slope [sketch] each stratum would thin out, both inland & seaward: if matter too coarse, then [sketch] that form. — All this depending not on absolute size of of fragments but relative to currents.

Small lakes have power of levelling their shores


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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 18 January, 2026