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 |
To Mary Treat 21 April [1876]
Summary
Congratulations on finding water-lily.
Thanks for Pinguicula specimens.
Asks for reference to her article on Utricularia [see 10508].
Author: | Charles Robert Darwin |
Addressee: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Date: | 21 Apr [1876] |
Classmark: | Vineland Historical and Antiquarian Society |
Letter no: | DCP-LETT-10464 |
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 |
To Mary Treat 1 June 1876
Summary
Thanks MT for her article ["Is the valve of Utricularia sensitive?", Harper’s New Mon. Mag. 52 (1875): 382–7]. Does not understand why he failed to detect movement [in Utricularia], but it appears from her observations that the valve is sensitive.
Author: | Charles Robert Darwin |
Addressee: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Date: | 1 June 1876 |
Classmark: | Amy Nagashima (private collection) |
Letter no: | DCP-LETT-10523 |
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 |
To Mary Treat 5 January 1872
Summary
Praises MT’s observations and asks her to repeat experiments on the the relation of sexes of butterflies to the nutrition of the larvae.
Is glad she will publish her observations on Drosera.
Author: | Charles Robert Darwin |
Addressee: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Date: | 5 Jan 1872 |
Classmark: | Amy Nagashima (private collection) |
Letter no: | DCP-LETT-8146 |
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 |
To Mary Treat 1 January 1873
Summary
Asks for certain observations to be made on Drosera and Dionaea.
Author: | Charles Robert Darwin |
Addressee: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Date: | 1 Jan 1873 |
Classmark: | Amy Nagashima (private collection) |
Letter no: | DCP-LETT-8719 |
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 |
To Mary Treat 12 August 1873
Summary
Thanks MT for information on Drosera filiformis [see 8989].
Warns her against publishing statement about Drosera bending towards flies or meat that they have not touched.
Will send his book [Insectivorous plants] when published.
Author: | Charles Robert Darwin |
Addressee: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Date: | 12 Aug 1873 |
Classmark: | Vineland Historical and Antiquarian Society |
Letter no: | DCP-LETT-9005B |
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 |
To Mary Treat 22 June 1874
Summary
Will soon publish on insectivorous plants; asks for a particular observation on Dionaea.
Author: | Charles Robert Darwin |
Addressee: | Mary Lua Adelia (Mary) Davis; Mary Lua Adelia (Mary) Treat |
Date: | 22 June 1874 |
Classmark: | Amy Nagashima (private collection) |
Letter no: | DCP-LETT-9505 |
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 | (15) |
Davis, Mary | (9) |
Treat, Mary | (9) |
Darwin, C. R. | (6) |
Darwin, C. R. | (9) |
Davis, Mary | (6) |
Treat, Mary | (6) |
Darwin, C. R. | (15) |
Davis, Mary | (15) |
Treat, Mary | (15) |