RECORD: [Watson, H. C. 1845. On the theory of 'progressive development', applied in explanation of the origin and transmutation of species. The Phytologist 2: 143]. CUL-DAR9.36a. Edited by John van Wyhe (The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed and edited by John van Wyhe 7.2025. 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.
36a
|
Salix. |
Mentha. |
Rosa. |
Rubus. |
Saxifraga. |
Hudson (1791), |
18 |
6 |
5 |
5 |
9 |
Smith (1824-8), |
64 |
13 |
22 |
14 |
25 |
Lindley (1835), |
29 |
9 |
17 |
21 |
24 |
Hooker (1842), |
70 |
13 |
19 |
14 |
16 |
Babington (1843), |
57 |
8 |
19 |
24 |
20 |
London Catalogue (1844), |
38 |
8 |
7 |
34 |
16 |
[Darwin calculations:]
43
138
100
132
128
103
36av
To these we might add other example in [text excised] the Dahlia and pansy, which have been so greatly run into varieties in the course of a few years past.
The numerous and still increasing variations in the species above mentioned, afford clear proofs that the progeny is not necessarily a copy of the parent, varying only in luxuriance or other slight and temporary character. In the course of generations some descendants differ so widely from their ancestral plants, as to appear like distinct [text excised]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 30 July, 2025