The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. n.d. Abstract of Müller, Elements of Physiology. CUL-DAR195.4.76. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 6.2022. 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. The volume CUL-DAR195 contains materials for Darwin's book Expression of the emotions (1872) organised roughly as: DAR195.1 blushing. DAR195.2 astonishment, fear. DAR195.3 indignation, rage, screaming, etc. DAR195.4 laughter, frowning, introduction.

[76]

Müller vol. 2 p. 939 "The conducting power of the nervous fibres increases with the frequency of their excitement &c &c &c ─ quote vy appropriate for Habitual movements of Expression.

(Used)

[Expression, p. 29: "It is not positively known how it comes that habit is so efficient in facilitating complex movements; but physiologists admit2 'that the conducting power of the nervous fibres increases with the frequency of their excitement.'
2 Müller, 'Elements of Physiology,' Eng. translat. vol. ii. p. 939."]

Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)