RECORD: Darwin, C. R. n.d. Cardium – porulosum - variety in upper & lower parts of Eocene beds. CUL-DAR205.9.58. 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 '21' 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].
[58]
Cardium – porulosum - variety in upper & lower parts of Eocene beds}
See Lyell's Principles mentions such facts.
21
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 September, 2022