RECORD: Darwin, C. R. 1842.08. Note an animal having two means of performing same function as some reptiles. CUL-DAR205.5.58. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 12.2019. 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-DAR205.5 contains notes on the principle of divergence, transitional organs and instincts.
The brown crayon number '11' indicates that this document was filed by Darwin in his portfolio for the subject of Divergence.
[58]
11
When an animal has two means of performing same function as some reptiles breathing by brachiæ & lung & some mollusca, we can see that the families closely allied might easily be produced one breathing solely by brachiæ & other by lung, like that this great families of muscles – Will this apply to the generative systems of some gasteropoda – is there a kind, which is either
Aug / 42/ (6)
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 17 October, 2023