3 Items
Page: 1
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 |
Document type
| letter | (3) |
Author
| Bates, H. W. | (1) |
| Blackwall, John | (1) |
| Caspary, Robert | (1) |
