RECORD: Darwin, C. R. 1841.06.15-22. [Excised page from Torn Apart notebook]. CUL-DAR46.2.C5. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 8.2022. 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 volume CUL-DAR46.2 contains Notes for Natural selection.
Also transcribed in: Darwin, C. R. 1839-1841. Torn Apart notebook. CUL-DAR-TornApartNotebook.
135
Saw Maer June 15/41/. Watched plants of Fraxinella, with seven flower stalks for ten minutes, it was visited by 13 Bees— & each examined very many flowers ＝ 22d.— during several succeeding days many most numerous bees visited this same bunch & on this day in five minutes eleven Humbles came & each visited many flowers—
Saw Bees frequent this flower till late in evening—
On rough calc. 280 flowers— allowing each Bee visits 10 flowers in minute each flower will be visited in 28 minutes— say then each flower is visited 30 times a day is considerably under mark, & this has now gone on 14 days. (except some wet ones/ & wd go on longer─
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 28 August, 2023