RECORD: Darwin, C. R. 1850.10.25. Agassiz doctrine that a number of individ. of a spec. created at once. CUL-DAR205.3.141. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2022. 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 volume CUL-DAR205.3 contains notes on distribution of animals.

The brown crayon number '18' indicates that this document was filed by Darwin in his portfolio for the subject of Migration.


[141]

Oct. 25/50/ 18

Agassiz doctrine that a number of individ. of a spec. created at once implies a previous gap in economy of that place, which is very improbable - If he supposes all the species in any spot co-created, that implies a catastrophe to form large new untenanted locality, which is very improbable - Hence one or only few individuals created at first. In Bees Agassiz right.


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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