RECORD: Darwin, C. R. n.d. Hooker case of several species on same isld. CUL-DAR205.4.19. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 10.2021. RN2

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-DAR205.4 contains notes on geographical distribution and species.


[19]

(5) Hooker case of several species on same isld. Chance of another neighbouring isld would cause several species of genus

Separation complete in Canary Island from nature of ground

But I must give up my crossing notions & advantage

Paucity of individuals 20

I must stick to new conditions & especially new groupings of organic being – Whenever I allude to this urge that the number of daisies effect of cause & not accident

Difference in weeds in field pastured by different animals sheep - & [count] my own & Mr Smith from

[over]

[in margin:] N. B. Be sure give this difficulty to Species - theory to Hooker as it was quite suggested by him

[19v]

Irish yew

Several species of same genus wd be apt to arise on same isld, [imperfection] as that isld was badly placed from new colonist – In that they open wd have to fill separate functions.


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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 25 September, 2022