The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. n.d. London Catalogue Large and small genera (calculations). CUL-DAR16.128. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 12.2021. RN2

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.

[128]

(London Catalogue) Large and small genera

Genera with 5 sp & upwards

no. of sp. 616

sp. with vars. see Back [calculation not transcribed]

Genera with 4 & downwards

642 [calculation not transcribed]

Species marked (-) & considered as vars, then subtraction will reduce on both sides to number of species

[calculation] Genera with 5 sp & up

total no. of sp 559

sp. marked (-) treated as vars [calculation not transcribed]

[calculation]

Genera with single sp [calculation not transcribed]

Genera with 4 sp 3, & 2 [calculation not transcribed]

Proportion of common vars to species

G 5 sp. & up [calculation not transcribed]

4 sp. & down [calculation not transcribed]

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