From Roland Trimen 2 September 1877
Summary
Thanks for Forms of flowers.
Author: | Roland Trimen |
Addressee: | Charles Robert Darwin |
Date: | 2 Sept 1877 |
Classmark: | DAR 178: 192 |
Letter no: | DCP-LETT-11124 |
To Roland Trimen 31 January [1863]
Summary
Thanks RT for his letter and MS.
Is astonished by the different forms of orchids he describes.
Urges RT to describe and experiment with two or three of the more distinct genera.
"I believe, or am inclined to believe in one or very few primordial forms, from community of structure and early embryonic resemblances in each great class."
Author: | Charles Robert Darwin |
Addressee: | Roland Trimen |
Date: | 31 Jan [1863] |
Classmark: | Royal Entomological Society (Trimen papers, box 21: 78) |
Letter no: | DCP-LETT-3956 |
To Roland Trimen 16 February [1863]
Summary
Further discusses RT’s observations on Cape [of Good Hope] orchids and asks whether it would be possible for him to send some specimens to Kew.
Author: | Charles Robert Darwin |
Addressee: | Roland Trimen |
Date: | 16 Feb [1863] |
Classmark: | Royal Entomological Society (Trimen papers, box 21: 55) |
Letter no: | DCP-LETT-3988 |
From Roland Trimen 16 March 1863
Summary
RT has sent his observations on orchids to CD. Has found only one case of an insect with a pollinium adhering to it.
Author: | Roland Trimen |
Addressee: | Charles Robert Darwin |
Date: | 16 Mar 1863 |
Classmark: | DAR 70: 180, DAR 178: 184 |
Letter no: | DCP-LETT-4046 |
To Roland Trimen 23 May [1863]
Summary
CD has drawn up a paper from RT’s orchid notes on the fertilisation of Disa grandiflora for the Linnean Society [J. Linn. Soc. Lond. (Bot.) 7 (1863): 144–7].
CD would welcome seeds of any Cape Oxalis for his investigation of dimorphism.
Author: | Charles Robert Darwin |
Addressee: | Roland Trimen |
Date: | 23 May [1863] |
Classmark: | Royal Entomological Society (Trimen papers, box 21: 56) |
Letter no: | DCP-LETT-4179 |
From Roland Trimen 16, 17, and 19 July 1863
Summary
Thanks CD for two letters and his portrait.
CD’s book [Orchids] opened up terra incognita for him.
His work on S. African butterflies continues.
Reports on a moth that punctures peach skins.
Interesting that thoughtful naturalists are forced to admit mutability of species.
Some notes on Oxalis.
Author: | Roland Trimen |
Addressee: | Charles Robert Darwin |
Date: | 16, 17 and 19 July 1863 |
Classmark: | DAR 99: 13–16d, DAR 142: 37 |
Letter no: | DCP-LETT-4243 |
To Roland Trimen 27 August [1863]
Summary
Discusses methods of pollination in orchids.
Thinks RT should investigate Physianthus to see if it requires insect aid for fertilisation as the Asclepiadaceae do.
Author: | Charles Robert Darwin |
Addressee: | Roland Trimen |
Date: | 27 Aug [1863] |
Classmark: | Royal Entomological Society (Trimen papers, box 21: 57) |
Letter no: | DCP-LETT-4279 |
From Roland Trimen 10, 13, and 18 October 1863
Summary
Comments on CD’s paper on Linum [Collected papers 2: 93–105].
Sends specimens of dimorphic and trimorphic Oxalis.
Comments on H. W. Bates’s work [Naturalist on the river Amazons].
Author: | Roland Trimen |
Addressee: | Charles Robert Darwin |
Date: | 10, 13 and 18 Oct 1863 |
Classmark: | DAR 109: B122–3 |
Letter no: | DCP-LETT-4319 |
To Roland Trimen 25 November [1863]
Summary
CD’s doctor [J. M. Gully] has ordered him to do nothing for six months.
Thanks RT for orchid specimen.
Dares not look at Oxalis flowers.
Regrets RT cannot get seed, especially from his trimorphic flowers.
Asks for bulbs of two or three forms.
Author: | Charles Robert Darwin |
Addressee: | Roland Trimen |
Date: | 25 Nov [1863] |
Classmark: | Royal Entomological Society (Trimen papers, box 21: 58) |
Letter no: | DCP-LETT-4347 |
To Roland Trimen 13 May 1864
Summary
Oxalis plants have arrived safely [see 4347].
CD regrets his mistake about Disa; will correct it.
Thanks RT for his additional facts about Disa.
Is recovering slowly from ten months’ illness.
Asks whether Strelitzia reginae grows in gardens at the Cape. Suspects it must be fertilised by a bird.
Author: | Charles Robert Darwin |
Addressee: | Roland Trimen |
Date: | 13 May 1864 |
Classmark: | Royal Entomological Society (Trimen papers, box 21: 59) |
Letter no: | DCP-LETT-4493 |
To Roland Trimen 25 November 1864
Summary
Has forwarded RT’s paper on Bonatea to the Linnean Society [J. Linn. Soc. Lond. (Bot.) 9 (1865): 156–60].
The Oxalis sent by RT flowered but CD has made out only two forms; he thinks there ought to be three, so would welcome more seed.
Author: | Charles Robert Darwin |
Addressee: | Roland Trimen |
Date: | 25 Nov 1864 |
Classmark: | Royal Entomological Society (Trimen papers, box 21: 60) |
Letter no: | DCP-LETT-4680 |
From Roland Trimen 13 December 1865
Summary
Butterflies of Mauritius.
RT’s Bonatea paper published by Linnean Society [J. Linn. Soc. Lond. (Bot.) 9 (1867): 156–60].
Author: | Roland Trimen |
Addressee: | Charles Robert Darwin |
Date: | 13 Dec 1865 |
Classmark: | DAR 178: 185 |
Letter no: | DCP-LETT-4951 |
To Roland Trimen 24 December [1867]
Summary
Invites RT to come to Down for a week-end.
Author: | Charles Robert Darwin |
Addressee: | Roland Trimen |
Date: | 24 Dec [1867] |
Classmark: | Royal Entomological Society (Trimen papers, box 21: 61) |
Letter no: | DCP-LETT-5739 |
From Roland Trimen 31 December 1867
Summary
On ocelli.
Sexual differences and proportion of sexes in butterflies.
Coleoptera.
[See Descent 1: 310; 2: 132.]
Author: | Roland Trimen |
Addressee: | Charles Robert Darwin |
Date: | 31 Dec 1867 |
Classmark: | DAR 82: A30–1 |
Letter no: | DCP-LETT-5744 |
To Roland Trimen 2 January [1868]
Summary
CD seeks information on the variation of ocelli within species of butterflies.
Author: | Charles Robert Darwin |
Addressee: | Roland Trimen |
Date: | 2 Jan [1868] |
Classmark: | Royal Entomological Society (Trimen papers, box 21: 62) |
Letter no: | DCP-LETT-5772 |
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 |
To Roland Trimen 16 January [1868]
Summary
Thanks RT for drawings of ocelli, especially for the description of ocelli of S. African Saturniidae. Would like to know of any cases in which the ocelli are confined to the male, to illustrate better the case of the peacock.
Author: | Charles Robert Darwin |
Addressee: | Roland Trimen |
Date: | 16 Jan [1868] |
Classmark: | Royal Entomological Society (Trimen papers, box 21: 63) |
Letter no: | DCP-LETT-5790 |
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 |
To Roland Trimen 12 February [1868]
Summary
Is interested in the relative numbers of males and females of all animals; wants any instances of males, or females, being in excess.
Author: | Charles Robert Darwin |
Addressee: | Roland Trimen |
Date: | 12 Feb [1868] |
Classmark: | Royal Entomological Society (Trimen papers, box 21: 64) |
Letter no: | DCP-LETT-5867 |
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 |
letter | (38) |
Darwin, C. R. | (19) |
Trimen, Roland | (19) |
Darwin, C. R. | (19) |
Trimen, Roland | (19) |
Darwin, C. R. | |
Trimen, Roland | (38) |