RECORD: Darwin, C. R. n.d. Lonicera periclymenum / Draft of Variation. CUL-DAR187.5. Edited by John van Wyhe (Darwin Online,

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.


Lonicera periclymenum 13 3/4 = 4.38 say between 4 & 5 inches

[Climbing plants, p. 21: "Our English twiners, as far as I have seen, never twine round trees, excepting the Honeysuckle (Lonicera periclymenum), which I have observed twining up a young beech-tree nearly 4 1/2 inches in diameter."]


Mr Eyton informs me that twice this paper was published, the cross-bred animals from the African & English races have been ascertained by Ld Hill to be fertile.—)

[Variation 1: 96: "The difference in the number of the vertebræ and ribs in different kinds of pigs, as observed by Mr. Eyton,23 and as given in the following table, has often been quoted. The African sow probably belongs to the S. scrofa type; and Mr. Eyton informs me that, since the publication of his paper, cross-bred animals from the African and English races were found by Lord Hill to be perfectly fertile."]

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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (

File last updated 2 November, 2022