The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. n.d. Abstract of Quarterly Journal of the Geological Society, 1847. CUL-DAR205.9.234. Edited by John van Wyhe (The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 9.2021. RN1

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-DAR205.9 contains notes on palaeontology and geology [regarding theory of evolution].

[234]

Mr Prestwich shows (Geolog. Journal Vol 3. p 354) in admirable Paper, that Eocene beds of England consist of 3 great stages, having only a small percentage of fossils in common - Hence duration much longer - Believes all formed during subsidence - Smaller stages even in these main stages -

p 365 Some of the species, though common to all these groups "form, in each of them, distinct varieties". No doubt D' Orbigny wd consider species

21 (3)

[Prestwich, J. 1847. On the probable age of the London clay, and its relations to the Hampshire and Paris tertiary systems. Quarterly Journal of the Geological Society, vol. 3 (26 May): 354-377.]

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