RECORD: Darwin, C. R. n.d. Koch / Genera with 7 sp[ecies] & upwards / Genera with 6 & down. CUL-DAR16.140. (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.
140
(Koch.)
Genera with 7 sp. & upwards. |
Genera with 6 & down |
390 sp. with vars. [÷] 2093 → [=] .186 (Q) |
162 sp. with vars [÷] 1365 [=] .1128 (Q) |
Proportion of vars. to species
771 [÷] 390 [=] 1.720 (Q) |
291 [÷] 162 [=] 1.796 (Q) |
(Only Dicotyledonous :
Genera with 11 sp & upwards. |
Genera with 10- to 5 both included |
257 sp. having vars [÷] 1216 → [=] .211/1000 (Q) |
114 sp. hvg var [÷] 683 → [=] .166/1000(Q) |
Proportion of Vars to species
512no' of vars [÷] 257no. of species [=] 1.992 (Q) |
223 [÷] 114 [=] 1.956 (Q) |
Goulds Birds of Australia Range
Genera with 4 sp & upwards. |
Genera with 3, 2, 1 |
553 N' of Provinces. [÷] 300 [=] 1.843 (Q) |
511 [÷] 228 [=] 2.24 [-] 1.84 [=] 4/10 , 0/5 4/50 1/12. (Q) |
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 2 December, 2025