RECORD: Darwin, C. R. n.d. Times of opening. CUL-DAR59.1.7. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 10.2022. 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).

Dionaea muscipula is the Venus flytrap. These notes are for Darwin, C. R. 1875. Insectivorous plants. London: John Murray. (F1217) summary of notes on pp. A-B, CC, CCC, F, 1-2, 6, H.


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Times of opening

p. A. albumen & g on the 9th — opened 22d — 13 days — torpid P

p. B Black wool albumen & g. — July 11. — opened 23' 12 days do. P

p. B Brown & Blue w. cheese & albumen, — July 17th 23th — cheese end opened P ie 6 days — albumen red (p. CCC.) opened evening of same day. P

p B Casein July 18th — 26' 8 days P

p. C.C Yellow & brown. — cheese & albumen July 17th — 26 end with cheese opened in 9 days — 28th end with albumen in 11 days P

p CC. cube of roast-beef 21st — opened on 29' 8 days P

p CCC. albumen & gelatine, July 11 — 24th leaf 1/2 withered —13 days closed P

p F. several large leaves which had caught flies & had opened again all more or less torpid

p. 1. Meat & gelatine kept closed for 11 days — nothing about torpidity P

― Jan 16' to Feb. 9th oldish leaf closed for 24 days & than died had caught small fly.

p. 2 leaf with already caught woodlouse on Jan 16th after 24 days half-dead & never opened P

­—leaf not vigorous, injured by chip with bits of raw mean opened in 6 days P

p. 6 April 14 leaf caught Hairy long legs — May 19th partly open & torpid with no power of shaking 35 days

I remember saying that I have tried many leaves which had naturally caught flies & found then all torpid

p. H Back case of leaf which had caught moderately sized fly & had opened & when touched closed rather slowly.—


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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 31 October, 2022