RECORD: Darwin, C. R. n.d. Table III / Decandolles Prodromus [vols 2 & 10-14]. CUL-DAR16.169. (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-DAR16 contains calculations and tables for Darwin's 'big book' Natural Selection F1583.
169
Table IV. III. Decandolle's Prodromus. Vols 2, 10, 11, 12, 13, 14.
including all known species.
Names of orders |
Genera with 11 species & upwards |
Genera with 10. sp & downwards |
|
(The numerator & denominator as in the foregoing Tables) |
|
|
|
Leguminosae |
223/1937 = 75/1000 1.34 |
38/619 = 61/1000 1.39 x |
|
Rosaceae |
103/562 = 183/1000 3.09 |
24/144 = 166/1000 2.20 |
|
{Acanthaceae 3 } (transpose/) |
232/1088 = 212/1000 1.43 |
15/235 = 194/1000 1.35 |
|
{Verbenaceae 4 } |
11/506 = 41/1000 1.00 |
5/82 = 60/1000 1.00 |
|
{Borrangineae 1 } |
59/480 = 122/1000 1.38 |
10/114 = 90/1000 1.40 |
|
{Scrophulariaceae 2 } |
118/1413 = 83/1000 1.15 |
24/347 = 68/1000 1.29 |
|
Labiatae |
207/1999 = 103/1000 1.34 |
32/238 = 115/1000 1.62 |
|
Solanaceae |
258/1414 = 181/1000 1.45 |
6/72 = 83/1000 1.16 |
|
Polygonaceae |
130.614 = 211/1000 1.63 |
8/62 = 129/1000 1.37 |
|
Nineteen small Orders |
112/1120 = 100/1000 1.50 |
48/406 = 118/1000 1.14 |
|
All the species in the 6 vols. (Leave a little space open) |
1616/13050 = 123/1000 1.51 |
271/2595 = 104/1000 1.43 |
/ Genera with single species 1.32 |
Urticaceae Weddell tabulated for me by Dr Hooker |
|
|
|
Urticaceae. Weddell tabulated by Dr. Hooker } |
65/334 = 194/1000 1.89 |
26/100 = 260/1000 1.57 bottom of page ' |
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|
|
open space |
|
|
|
|
Genera with 17 sp. & upwards |
Genera with 16—8 both included |
|
All six volumes together |
1516/12103 = 124/1000 1.52 |
188/1472 = 127/1000 1.48 |
|
open space |
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The larger genera including half the species in the six volumes: the other half are included in 1088 genera — below next row ' |
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28 gigantic largest genera. each including on average 134 species taken out of all the orders in the six volumes.— } |
455/3772 = 120/1000 1.74 |
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Largest genera, 76 in number including half the species in the six volumes. |
Smaller genera, 1088 in number, including the other half of the species, in the six volumes. |
|
All six volumes.} |
959/7815 = 122/1000 1.59 |
929/7830 = 118/1000 1.40 |
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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 3 December, 2025