RECORD: Darwin, C. R. n.d. When jaw shut & opened wide. CUL-DAR53.1.B33. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2022. 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.
[B33]
When jaw shut & opened wide –passage to Ear appears to open - can this be so. – Leonard
used p 211
Perhaps explain why I think contraction of orbicular in gentle laughing & snivelling, not tract at least exclusively of contraction during loud laughter, for this does not explain contraction chiefly of the lower orbiculars.
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 26 July, 2023