From Roland Trimen 13 January 1868
Summary
Variations in the ocelli of Lepidoptera.
Encloses six pages from his catalogue of S. African butterflies [Rhopalocera Africae australis, 2 pts (1862, 1866)].
Author: | Roland Trimen |
Addressee: | Charles Robert Darwin |
Date: | 13 Jan 1868 |
Classmark: | DAR 84.1: 40–2, 168 |
Letter no: | DCP-LETT-5785 |
From Roland Trimen 10 February 1868
Summary
Sends prospectus of forthcoming work by his brother [Henry Trimen] and W. T. Thiselton-Dyer [Flora of Middlesex (1869)]. Hopes CD will subscribe.
Author: | Roland Trimen |
Addressee: | Charles Robert Darwin |
Date: | 10 Feb 1868 |
Classmark: | DAR 178: 186, DAR 84.1: 135b |
Letter no: | DCP-LETT-5857 |
From Roland Trimen 20 February 1868
Summary
Proportion of sexes in butterflies; discussion of subject at meeting of Entomological Society, London.
Attraction of males by female Lasiocampa quercus. [see Descent 1: 311–12.]
Author: | Roland Trimen |
Addressee: | Charles Robert Darwin |
Date: | 20 Feb 1868 |
Classmark: | DAR 85: B59–60a |
Letter no: | DCP-LETT-5902 |
From Roland Trimen 20 March [1868]
Author: | Roland Trimen |
Addressee: | Charles Robert Darwin |
Date: | 20 Mar [1868] |
Classmark: | DAR 86: A92–3 |
Letter no: | DCP-LETT-6030 |
From Roland Trimen 26 March 1868
Summary
Coloration in moths.
Quotes Achille Guénée on relative proportion of sexes in Phalaenites.
Author: | Roland Trimen |
Addressee: | Charles Robert Darwin |
Date: | 26 Mar 1868 |
Classmark: | DAR 81: 76, DAR 85: B61–2, DAR 84.1: 134–5 |
Letter no: | DCP-LETT-6055 |
From Roland Trimen 27 March 1868
Summary
Approves CD’s revision on coloration of moths.
Impressed with apparent adverse tendencies: one toward sexual selection, the other toward protection.
Author: | Roland Trimen |
Addressee: | Charles Robert Darwin |
Date: | 27 Mar 1868 |
Classmark: | DAR 82: A120v |
Letter no: | DCP-LETT-6061 |
From Roland Trimen 13 April 1868
Summary
Extract from Émile Blanchard’s Metamorphoses, moeurs et instincts des insectes [1868], on attraction of males by female Lepidoptera, and possible explanation.
Author: | Roland Trimen |
Addressee: | Charles Robert Darwin |
Date: | 13 Apr 1868 |
Classmark: | DAR 85: B50–1 |
Letter no: | DCP-LETT-6116 |
letter | (7) |
Darwin, C. R. | (7) |
Trimen, Roland | (7) |