RECORD: Darwin, C. R. n.d. Genera with 9 sp(ecies) & under (summarising calculation). CUL-DAR15.2.93a. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Text prepared and edited by John van Wyhe. 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-DAR15.2 contains calculations and tables for Darwin's 'big book' Natural Selection F1583.
93a
Genera with 9 sp & under
16 [+] 6 [+] 15 [+] 11 [+] 6 [+] 13 [+] 22 [+] 5 [=] 94 sp. ranging over 507 Provinces
265 [-] 94 [=] 171 sp ranges over 960 Provinces
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 2 December, 2025