RECORD: Darwin, C. R. [1880]. [Earthworm research notes]. CUL-DAR65.117. 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-DAR65 contains materials for Earthworms.
117
Hydrochloric (dilute) has 30.1 per cent of by volume of strong hydrochloric
Dilute nitric estimated same way: 19.3 per cent
Dilute sulphuric 8.3 per cent
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 27 July, 2025