RECORD: Darwin, C. R. [1881.03.13.after]. William in letter dated March 13 1881...Rhododendron leaves. CUL-DAR65.44-44v. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 8.2021. 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 volume CUL-DAR65 contains materials for Earthworms, notes, observations, proofs etc. 1880-1881.
44
William in letter dated March 13 1881 says he has looked at 29 more Rhododendron leaves & 18 were drawn in by base & 11 by tip or apex. Rhododendron Leaves
44v
Rhododendron
By base 43 [+] 18 [=] 60 By apex 20 [+] 11 [=] 31 Total 60 [+] 31 [=] 91
By base 60/91 = per cent 65.93
31/91 – per cent 34.06
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 18 June, 2025