RECORD: Darwin, C. R. [1875-1876]. Ipomœa purpurea scale 1/40 of inch to inch Both diagrams - this is best / Draft of Cross and self fertilisation, p. 53 diagram. CUL-DAR77.59-60. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 2.2023. 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 76-79 contain material for Darwin's book Cross and self fertilisation (1876).
[59]
Ipomœa purpurea, scale 1/40' of inch to 1 inch— Both Diagrams— this is best — But omit the right Hand general average one— Put the self to right hand — rather further apart — & each generation further apart— Put same foot-note to 8th gen— to explain tallness. — Give as Heading—statement that the average crossed height of crossed plants the left of each pair of lines.—
[Draft of "Diagram showing the mean heights of the crossed and self-fertilised plants of Ipomoea purpurea in the ten generations", for Cross and self fertilisation, p. 53.]
[another diagram and paragraph by Darwin in bottom right corner illeg on microfilm image]
[60]
[Annotated diagram of heights of 10 generations of crossed and self-fertilised plants.]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 28 May, 2023