RECORD: Darwin, C. R. [1868]. [ratio of females to males]. CUL-DAR81.83. Edited by John van Wyhe (The Complete Work of Charles 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 13 August, 2025