RECORD: Darwin, C. R. 1868.03.14. W. saw young L. checking yawn in concert. CUL-DAR162.97. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 8.2023. 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-DAR162 contains letters to Darwin: Dabney – Dupré and miscellaneous notes pertaining to Expression, Cross and self fertilisation, Movement in plants and Earthworms.
[97]
March 14/68/ W. saw young L. checking yawn in concert & depressor anguli on & apparently little gyration (for upper lip drawn into double curve) acted powerfully agrees well with these muscles being less under will then that other muscles which open mouth widely from yawn.─
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 14 September, 2023