To B. J. Sulivan 18 February [1868]
Summary
CD thanks BJS for photographs of Jemmy [Button]’s son
and for the curious case about stallions, which leads him to ask whether BJS has observed that horses when fighting try especially to bite each other’s necks.
Does he know anything about male seals fighting?
| Author: | Charles Robert Darwin |
| Addressee: | Bartholomew James Sulivan |
| Date: | 18 Feb [1868] |
| Classmark: | American Philosophical Society (Mss.B.D25.) |
| Letter no: | DCP-LETT-5889 |
To Henry Tibbats Stainton 18 February [1868]
Summary
Asks for information on coloration and proportions of sexes in butterflies and moths for his work on sexual selection.
| Author: | Charles Robert Darwin |
| Addressee: | Henry Tibbats Stainton |
| Date: | 18 Feb [1868] |
| Classmark: | Natural History Museum, Library and Archives (General Special Collections MSS DAR 20) |
| Letter no: | DCP-LETT-5890 |
To George Gabriel Stokes 18 February [1868]
Summary
Wants to know how the colour of the eye of the peacock’s tail is produced, whether it depends upon colouring matter in the feathers or reflection, and whether any varying structural change will account for the series of colours surrounding it.
| Author: | Charles Robert Darwin |
| Addressee: | George Gabriel Stokes, 1st baronet |
| Date: | 18 Feb [1868] |
| Classmark: | CUL (Add 7656: D73) |
| Letter no: | DCP-LETT-5891 |
From John Blackwall 18 February 1868
Summary
Proportion of sexes in spiders; coloration.
| Author: | John Blackwall |
| Addressee: | Charles Robert Darwin |
| Date: | 18 Feb 1868 |
| Classmark: | DAR 86: A2–3 |
| Letter no: | DCP-LETT-5892 |
From H. W. Bates 18 February 1868
Summary
Has put question of proportion of sexes in insects to the Entomological Society. Quotes H. T. Stainton and F. Smith. Cites some cases mentioned by other members.
Is reading Variation; does not quite understand Pangenesis.
| Author: | Henry Walter Bates |
| Addressee: | Charles Robert Darwin |
| Date: | 18 Feb 1868 |
| Classmark: | DAR 86: A4–5 |
| Letter no: | DCP-LETT-5893 |
From Robert Caspary 18 February 1868
Summary
Discusses the flowers of, and cross- and self-fertilisation in, certain aquatic plants. Gives cases of dichogamy and perfect self-fertility.
| Author: | Johann Xaver Robert (Robert) Caspary |
| Addressee: | Charles Robert Darwin |
| Date: | 18 Feb 1868 |
| Classmark: | DAR 76: B173–4 |
| Letter no: | DCP-LETT-5894 |
| Darwin, C. R. | (3) |
| Bates, H. W. | (1) |
| Blackwall, John | (1) |
| Caspary, Robert | (1) |
| Darwin, C. R. | (3) |
| Stainton, H. T. | (1) |
| Stokes, G. G. | (1) |
| Sulivan, B. J. | (1) |
| Darwin, C. R. | (6) |
| Bates, H. W. | (1) |
| Blackwall, John | (1) |
| Caspary, Robert | (1) |
| Stainton, H. T. | (1) |
