RECORD: Darwin, C. R. 1881. [Earthworm research notes]. CUL-DAR63.53. 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.
53
[20 January 1881]
[Beanstick] from precincts of Abbey — not from trap-door — bit of brick, with very few exceptions plainly rounded — great contrast from verandah tiles broken & washed — also both of mortar or cement rounded — there was on picking for rounded pieces — (2 calc. concretions out of castings opposed to digestion theory & looks like excretion
From trap door — a few not rounded — great majority certainly rounded — some well rounded — also bits of mortar — some bits of tile — as they are flakes — bits of some vine of slate with points & edges. Little rounded.
a 2d bit from trap-door bits not so much worms, yet some show attrition
Jan 20 1881
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 7 July, 2025