RECORD: Darwin, C. R. n.d. Summary on Water [relating to items 55: 118-122]. CUL-DAR55.123. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2023. 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-DAR 54-61 contain material for Darwin's book Insectivorous plants (1875).
[123]
Summary on Water
Absolutely pure
about movement & aggregation.
Does not excite secretion of [illeg] mucus like so many other substances
not after 24h not inflected over meat in course of 24h
Immerse for 50m stops prevent camphor acting
― [for] 20h does not stop action of Phosphate of Amm.
(p. P)— do do do. do. do)
do (2 leaves p. 17)
p. E immersion for 22m — dusted with splinter of glass inflected
p. 17 ― 24h (3 leaves) no action after 48h from Phosphate
p D. in water [for] 22m — dusted with glass plenty of inflection)
analogous experiments.
Action of sugar & gum
Salts & acids.
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 14 May, 2023