RECORD: Darwin, C. R. [1871-1875]. Draft of Expression, Chapter 9, folio 25 / Gluten. CUL-DAR57.113. 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 volumes CUL-DAR 54-61 contain material for Darwin's book Insectivorous plants (1875).
Draft is in the hand of Ebenezer Norman with corrections by Darwin. The text of this draft corresponds to Expression, p. 238.
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Chap. IX
the mouth at the commencement of and during any violent and prolonged exertion, or any delicate operation. Through the principle of association there would also be a strong tendency towards this same habit, as soon as the mind had resolved on any particular action or line of conduct, even before there was any bodily exertion had occured, or if none were requisitered. The habitual and firm closure of the mouth would thus come to show decision of character; which might & thus readily passes into obstinacy.
[113v]
Gluten
July 7th 8° Black Wool 2 leaves with the dried gluten & no saliva
July 8th 7° 45' closely clasped.
9' 8° do do do — (It is clea clear that treatment with Hydrochloric greatly aids digestion) (10th, 8° still closely clasped
(July 11th 7° 30' Both leaves almost same only partially expanded) reexpanded — some gluten left almost all glands on disc pale & killed & tentacles drying up— This is enough to account for non-digestion —
See to colour of glands
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 18 May, 2023