RECORD: Darwin, C. R. [1878?].02.22-24. Quercus. CUL-DAR209.4.363-364. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 9.2022. 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.

[363]

Fig 28

Oak. Fig. 28

(Natural scale)

 

[364]

Fig 28 Quercus (American species): circumnutation of young stem, traced in darkness on horizontal glass, from 12° 50 P.m Feb. 22d to 12° 50' P.m Feb. 24th

Tracing magnified greatly at first & slightly towards close of observations;— about 10 times on a mean.

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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 10 October, 2022