The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. n.d. According to Mr Normans calculations there are in whole Book. CUL-DAR16.237. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 3.2023. 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-DAR16 contains calculations and tables for Darwin's 'big book' Natural Selection F1583.

According to Mr Normans calculations there are in whole Book

Genera Babingtons Flora

[calculations not transcribed]

à Conclusion

The 1338 above species divided into 3 Categories

593 species giving in genera having 5 species & upwards

156 species in genera having 4 sp. omitted

593 sp in genera having 3, 2, & 1 species in genus.

Now the 593 in the large genera have 94 varying species presenting = 158/100 134 vars, marked by Greek letters

The 593 sp in the small genera have only 58 species = .097/1000 presenting 80 vars; (ie there ought to have been 82.6 so that rather fewer varieties to the 58 species)

Babington

Babington Flora 4 3 Edit.

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