RECORD: Darwin, C. R. & Francis Darwin. [ny].01.20-21. Ricinus / Proof sheet of Cross and self fertilisation. CUL-DAR209.4.367. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 9.2022. 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.
[367]
Light
[Figure] The movement on the 20th was transverse to cotyledon.
Right off glass owing to the knuckle arc unbending in this direction
Ricinus hothouse darkened all round ie light vertical magnified 30 to 50 times.
[sketch] Glass-filament fixed near top of knuckle
This arc was above ground
[367v]
[Proof sheet of Cross and self fertilisation, published, pp. 34-5.]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 26 August, 2023