RECORD: Darwin, C. R. [1874].09.29. Utricularia - rough diagrams and calculations. CUL-DAR59.2.89. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 11.2021. 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 volumes CUL-DAR 54-61 contain material for Darwin's book Insectivorous plants (1875).
[89]
Sept 29th
60 divisions = barely 3 1/3 /300
As bladder being 60 divisions I may say = 3 1/4 /300 of = 13/1200
(Keep for this - diagram)
[sketches] (Kew specn)
say 1/100th
barely 60 of in with 2d eye piece
about 25 or 30 divisions - or 6/1200 or 1/200
The orifice to be drawn of one 35 divisions long
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 2 February, 2023