RECORD: Darwin, C. R. 1840.06. Lyell well remarked if Deshayes & Phillips assert that number of shells have increased from oldest time, it must be only till Eocene. CUL-DAR205.9.101. Edited by John van Wyhe (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].
[101]
Lyell well remarked if Deshayes & Phillips assert that number of shells have increased from oldest time, it must be only till Eocene, whence they have decreased - In S. America in pleistocene period far more quadrupeds than now
June 1840
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 16 October, 2023