RECORD: Darwin, C. R. 1878.10.05. Phalaris. CUL-DAR209.8.93. (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).
[93]
[envelope]
Oct. 5 1878
Phalaris
S.W. Window in box with Black sides accurate outline by Frank of 3 cots which had black glass caps, & of 4 which had bent naturally to Light.
Those with caps, these descended 1/2 their length, as accurately as could be done. The free ones were selected of same height
[93a]
Light side light 2°mm Upper 20 20
[93b]
Upper All of natural size Light side
[93bv]
[fragment of printed card]
[93c]
Phalaris
[93cv]
[fragment of printed card]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 23 December, 2025