RECORD: Darwin, C. R. 1854.12.05. Taking Steudel as standard, there are to each genus 5722/78005 = 11.6. CUL-DAR205.9.390. 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. 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-DAR205.9 contains notes on palaeontology and geology [regarding theory of evolution].
Relating to CUL-DAR205.9.388. See Letter from J. D. Hooker to Darwin dated 5 December [1854]. CUL-DAR205.9.388
[390]
Taking Steudel as standard, there are to each genus 5722/78005 = 11.6 (Hooker says too much) Whereas Bentham anomalous genera 40/161 [=] 4.02 (calculated by Steudel) – This is very striking; but then Bentham said something to me about excluding genera with many species. See Hookers note with X
They if not be said that any anomalous genus with many species wd be a Family. For as Bentham remarked there are Families which run each other, so that if zone increased number of species in are anomalous genus, this
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W. make a Family – yet can be hardly true for Bentham admitted that in their running together Families, that type of each was very distinct, but yet the type of their anomalous genera I infer W. not be so different as the type of Different Family. – Solarieæ & Scrophularia case of blending Families.
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 7 December, 2022