RECORD: Darwin, C. R. 1839.10.31. No VIII I see several species of thrushes with black ear feathers. CUL-DAR205.5.20. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2023. 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 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.
[20]
Oct. 31 1839
No. VIII I see several species of thrushes with black ear-feathers — analogous case to marks on cats ears.—
11
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 3 March, 2023