RECORD: Darwin, C. R. n.d. Apex never curved to the base. CUL-DAR59.1.87-88. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 10.2022. 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 volumes CUL-DAR 54-61 contain material for Darwin's book Insectivorous plants (1875).


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p. 9. Apex never curved to the base.

Big fragments of Blue-bottle flies after 48h began to unfold

p. 10 — surface washed after 24° — unfolding complete 48h.

― will not react soon.

p 10 large fragment of fly — well inflected after 24° — almost completely unfolded after 48°

p. 11. Transmission longitudinally in both direction for .13 of inch.

― large pieces of meat. — after 48° much unfolded, pushed 1/15 of an inch or .0666.

p. 12 pushed .11 — nearly 1/3 of semi-diameter

p. 12 Sponge. — I thought inflection after 1° 17 — after 2° 17' certain N.B. quick

after 35h began to unfold X

p. 13 pushed .1 of inch: or 1/4 of semi diameter (Drosera & Dionæa

p. 13 ―.1 younger & leaf.

p. 13 Fibrin of meat — great incurvation after 3° — after 32° cylinder close — after 48° partially unfolded & after 72° quite open.

p. 14 Soaked cabbage seed inflection after 2° 25' — after 36° greatly & after 48° quite reexpanded—

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p. 15. Glass incurvature disappeared after 16° 30'

― plainly decreased after 19° 30'

17 infusion raw m. incurve plain in 2° 17' after 24° greatly decreased.

p. 17. do. on midrib. after 10° 37' began to reexpand — almost fully after 24° 40'

(18) Motor impulse sent transversely .22 of inch

18. C. of amm. 1—21g w. too strong — only secretion after 1° 22'

― 1 to 875. — I believe after 1° inflection, well-marked after 3°. 30' — almost disappeared 24°

―19 Phosphate of ammonia 0./

19. ― Scratching 0/

[illeg] Will Leaf will not soon react

(No Bending of glandular Hairs)

(No increased secretion.)


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

File last updated 2 November, 2022