RECORD: Darwin, C. R. 1878. Cassia Heliotropism. CUL-DAR209.7.23. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed and edited by John van Wyhe. RN2
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-DAR209.7-8 contain notes on heliotropism (phototropism) for Darwin's book Movement in plants (1880).
23
a ?
ism —
Heliotropism Oct 7th & 8th 1878
Right Hand
Fig 2.
8º a m Oct 7th
4
4º 30'
5º
6º P.m
7º. 18'
8º. 26'
9º 3'
10. 10 P.m.
7º a.m Oct. 8th
10. 15 P.m Oct 8th
7º 45' a.m. Oct 9th
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 4 February, 2026