From Mary Treat 3 April 1876
Summary
Encloses Pinguicula specimens.
Believes she has found a new species of water-lily.
Author: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Addressee: | Charles Robert Darwin |
Date: | 3 Apr 1876 |
Classmark: | DAR 178: 178 |
Letter no: | DCP-LETT-10439 |
From Mary Treat 15 May 1876
Summary
Sends her article on Utricularia ["Is the valve of Utricularia sensitive?", Harper’s New Mon. Mag. 52 (1875): 382–7].
Proposes to write on Sarracenia ["Carnivorous plants of Florida", Harper’s New Mon. Mag. 53 (1876): 546–8, 710–14].
Author: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Addressee: | Charles Robert Darwin |
Date: | 15 May 1876 |
Classmark: | DAR 178: 179 |
Letter no: | DCP-LETT-10508 |
From Mary Treat 20 December 1871
Summary
Describes fly-catching activity of Drosera longifolia.
Experiments on Papilio asterias; sex of adult determined by length of larval feeding time.
Author: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Addressee: | Charles Robert Darwin |
Date: | 20 Dec 1871 |
Classmark: | DAR 58.1: 33 |
Letter no: | DCP-LETT-8113 |
From Mary Treat 13 December 1872
Summary
Drosera filiformis captures only small insects [but see 8989].
Writes of her experiments with butterflies.
CD’s theory steadily gains ground in the U. S., despite Agassiz.
Author: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Addressee: | Charles Robert Darwin |
Date: | 13 Dec 1872 |
Classmark: | DAR 58.1: 23–4 |
Letter no: | DCP-LETT-8676 |
From Mary Treat 28 July 1873
Summary
Reports in detail on her experiments with Drosera. Finds she was mistaken in thinking D. filiformis captured only small insects.
Author: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Addressee: | Charles Robert Darwin |
Date: | 28 July 1873 |
Classmark: | DAR 58.1: 30–2 |
Letter no: | DCP-LETT-8989 |
From Mary Treat 8 June 1874
Author: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Addressee: | Charles Robert Darwin |
Date: | 8 June 1874 |
Classmark: | DAR 58.1: 58–9 |
Letter no: | DCP-LETT-9485 |
From Mary Treat 22 October 1874
Author: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Addressee: | Charles Robert Darwin |
Date: | 22 Oct 1874 |
Classmark: | DAR 58.1: 108 |
Letter no: | DCP-LETT-9692 |
From Mary Treat 2 December 1874
Author: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Addressee: | Charles Robert Darwin |
Date: | 2 Dec 1874 |
Classmark: | DAR 58.1: 109–10 |
Letter no: | DCP-LETT-9740 |
From Mary Treat 11 February 1875
Summary
Structure of Utricularia; its resemblance to an animal vascular system.
Author: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Addressee: | Charles Robert Darwin |
Date: | 11 Feb 1875 |
Classmark: | DAR 178: 177 |
Letter no: | DCP-LETT-9853 |
letter | (9) |
Davis, Mary | (9) |
Treat, Mary | (9) |
Darwin, C. R. | |
Davis, Mary | (9) |
Treat, Mary |