RECORD: Darwin, C. R. n.d. Interbreeding - Causing infertility & so extinction. CUL-DAR205.9.82. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 10.2021. RN1
NOTE: The brown crayon number '22' indicates that this document was filed by Darwin in his portfolio for the subject of Palaeontology: extinction.
Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR205.9 contains notes on palaeontology and geology [regarding theory of evolution].
[82]
22
9.
Interbreeding - Causing infertility & so extinction, when a family few for long period: kill all curs but a pair, & England some started again, but let a pair of curs be kept of 20 or 30 generations & I believe we shd have these as case as blood Hounds.
[82v]
food brings
monstrosity
[remainder excised]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 18 October, 2023