![Darwin, C. R. 1862. On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing. London: John Murray. Darwin, C. R. 1862. On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing. London: John Murray.](http://darwin-online.org.uk/converted/scans/1862_Orchids_F800(online)/1862_Orchids_F800_120.jpg)
Darwin, C. R. 1862. On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing. London: John Murray.
![White Globeflower Trollius albifloru - Unique Artworks Collection - Paintings & Prints, People & Figures, Portraits, Other Portraits - ArtPal White Globeflower Trollius albifloru - Unique Artworks Collection - Paintings & Prints, People & Figures, Portraits, Other Portraits - ArtPal](https://img.artpal.com/480672/105-23-3-30-9-12-6m.jpg)
White Globeflower Trollius albifloru - Unique Artworks Collection - Paintings & Prints, People & Figures, Portraits, Other Portraits - ArtPal
![Stauffer, R. C. ed. 1975. Charles Darwin's Natural Selection; being the second part of his big species book written from 1856 to 1858. Cambridge: Cambridge University Press. Stauffer, R. C. ed. 1975. Charles Darwin's Natural Selection; being the second part of his big species book written from 1856 to 1858. Cambridge: Cambridge University Press.](http://darwin-online.org.uk/converted/scans/1975_NaturalSelection_F1583(online)/1975_NaturalSelection_F1583_651.jpg)
Stauffer, R. C. ed. 1975. Charles Darwin's Natural Selection; being the second part of his big species book written from 1856 to 1858. Cambridge: Cambridge University Press.
![Stauffer, R. C. ed. 1975. Charles Darwin's Natural Selection; being the second part of his big species book written from 1856 to 1858. Cambridge: Cambridge University Press. Stauffer, R. C. ed. 1975. Charles Darwin's Natural Selection; being the second part of his big species book written from 1856 to 1858. Cambridge: Cambridge University Press.](http://darwin-online.org.uk/converted/scans/1975_NaturalSelection_F1583(online)/1975_NaturalSelection_F1583_640.jpg)