The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. 1860.03.30. With respect to enormous gaps between one formation wh. Sedgwick disputes. CUL-DAR205.9.354. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 10.2021. RN1

NOTE: The brown crayon number '22' indicates that this document was filed by Darwin in his portfolio for the subject of Palaeontology: extinction.

Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR205.9 contains notes on palaeontology and geology [regarding theory of evolution].

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March 30 /60/ With respect to enormous gaps between one formation wh. Sedgwick disputes in Spectator & gives instance of - there must be some ground so many geologists without any theory of descent admit - mere changes of nature of sediment - unconformable position & denudation form in many cases & it is carried only analogy to all cases - Even on organic grounds, when we see slow change in form of life in crustaceous formation & in whole Tertiary deposit one is strongly led to

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same conclusion in all cases. See how strong Forbes was about 3 stages in Purbeck.

22.

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