RECORD: Darwin, C. R. 1872. [Earthworm research notes]. CUL-DAR63.24. Edited by John van Wyhe (The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Prepared and edited by John van Wyhe 7.2025. 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 volumes CUL-DAR63, CUL-DAR64 and CUL-DAR65 contain a diverse array of materials for Darwin's research on earthworms. All of the textual items in these folders, including this one, have been transcribed in a single file: CUL-DAR63-65.

24

Ap. 15/73

I see castings on great sand Heap Sand-walk pure reddish sand firmly cemented & part of lawn heap. blackish from below

During winter marked castings on Lawn frost & then has no power of disintegrating them.

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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 7 July, 2025