RECORD: Darwin, C. R. [1870-1871]. Draft of Descent vol. 1, folio 25. CUL-DAR111.B24r. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2023. RN2

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-DAR111 contains notes on illegitimate progeny of dimorphic and trimorphic plants for Darwin's book Forms of flowers (1877).

Draft is in the hand of Ebenezer Norman with corrections by Darwin. The text of this draft corresponds to Descent 1: 365.


[B24r]

Chap. X Hymenoptera.

are generally darker than the females. In the Siricidæ the sexes frequently differ; thus the male of the Sirex juvencus is banded with orange, whilst the female is dark purple; but it is difficult to say which are is the most or=

[bottom of page excised]


Return to homepage

Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 23 July, 2023