RECORD: Darwin, C. R. 4.1843. 'Aberrant groups'. CUL-DAR205.5.60. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Kees Rookmaaker, corrections by John van Wyhe 11.2010. RN1

NOTE: Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR205.5 contains notes on the principle of divergence, transitional organs and instincts.

[60]

Aberrant groups Hensleigh remarks that groups are aberrant because they are few in number — it is doubtful how far this holds with genera — I look at aberrant groups as "living fossils". — Ap /43/

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[60v]

If aberrant genera have few species proof of extinction for the a genus wd not be less aberrant whether or not many species. as Ornithorynchus & Echidna. — Apteryx. —

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

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