RECORD: Darwin, C. R. [1878].09.24-26. Dionaea muscipula fig 137 / Draft of Cross and self fertilisation, folio 96. CUL-DAR209.3.164-165. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 12.2022. 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-DAR209.3 contains materials for Darwin's book Movement in plants (1880).
Draft is in the hand of Ebenezer Norman with corrections by Darwin. The text of the draft corresponds to Cross and self fertilisation, p. 52.
[164]
Traced on vertical glass Dionæa old Leaf with infusion of meat
Petiole not secure
F. 137 These letters apply to the dot close by. (2/3 scale 5 sets of no lettering)
[165]
Dionæa muscipula: closer movement & circumnutation of the line of a full-grown leaf, after the administration of some which already an infusion of raw-meat, traced in darkness on a vertical glass for 7˚15 P.m Sept 24th to 9 am 25th ─ Apex of leaf 8 1/2 inches from the glass. Tracing in Copy Figure here given reduced to 2/3 of original tracing. sur
[165v]
96
Ipomoea
there were some families which had been long & more closely interbred, in a closer degree than is possible with any of the higher animals, than the members of these families would be almost dwarfs; their average height for ten generations being only 4 ft 8 1/4 in.
Table 17.
Ipomoea purpurea. Summary of measurements in inches and decimals of the ten generations
[table not transcribed]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 21 January, 2023