RECORD: Darwin, C. R. n.d. Gigantic Genera (list and calculations). CUL-DAR15.2.61. (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.

61

Scrophulariaca. Veronica    144 — 17

   Linaria    116.— 14

   Calceolaria    100 — 7

   Pedicularis    109 .— 6

Labiatae Salvia    404 — 37

   Hyptis    249. — 22

       1132 — 103

Acanthac

103.00 [÷] 1132 [=] 90/1000    so that there gigantic genera have very few varieties, less than the small genera with 10 & under which have 104/1000

 

   order divided almost equally

Scrophulariaceae 867 — 65

Labiatae    1153 — 115

    2020 — 180

Subtract above viz 1132 — 103

the gigantic genera [=] 888 — 77

77/888 — ie the large genera the gigantic genera having been subtracted

77.000 [÷] 888 [=] 86/1000    so that these intermediate genera have few varieties

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

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