RECORD: Darwin, C. R. 1880. [Earthworm research notes]. CUL-DAR64.1.23. 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 volume CUL-DAR64.1 contains material for Earthworms, experiments on worms; different locales & photographs and cuttings from journals.
23
July 27th [1880]
Vision on 2 or 3 occasions out of very numerous trials, when I suddenly illuminated worms with candle they started back, as if they saw light; & I am almost positive there was at the last jar & they were covered by glass-plates — inexplicable case)
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 7 July, 2025