RECORD: Darwin, C. R. n.d. [ratio of females to males]. CUL-DAR81.83. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/).

REVISION HISTORY: Transcribed and edited by John van Wyhe 6.2025. 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.

83

♀1561  : ♂1047  : ♀100 :  x = ♂67

♀1868  : ♂1307  : ♀100 :  x = ♂70

♀141    : ♂189  : ♀100 :    x = ♂134

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

File last updated 11 June, 2025