RECORD: Darwin, C. R. n.d. Ratio of males to females. CUL-DAR81.81. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 7.2023. 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-DAR80-86 contain contain material for Darwin's book Descent of man (1871).
[81]
♂ 1047: ♂ 1307: ♂ 189: |
♀ 1561:: ♀ 1868:: ♀ 141:: |
♂ 100: ♂ 100: ♂ 100: |
♀ 149 ♀ 143 ♀ 74 |
If price is good for number for every 100 ♀ Butterfly there must be 149 ♂
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 5 September, 2023