RECORD: Darwin, C. R. 1874. Add 4 drach of diluted muriatic acid to 20 drachm of water. EH88202559. Edited by John van Wyhe (The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Photographed by Down House volunteers with thanks to Sabrina Villani. Transcribed and edited by John van Wyhe 10.2025. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with the permission of English Heritage (Darwin Collection at Down House) and William Huxley Darwin.
This was connected with Darwin's research for Insectivorous plants, see Chapter VIII. "The effects of various other salts, and acids, on the leaves."
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Add 4 drach of diluted muriatic acid to 20 drachm of water making 24 dr. & then add 3 dr. of essence of Gringer[?] & 3 dr. of Tincture of Capsicm.—
May 1874—
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 22 October, 2025