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 |
Document type
| letter | (2) |
Author
| Darwin, C. R. | (1) |
| Davis, Mary | (1) |
| Treat, Mary | (1) |
Addressee
| Darwin, C. R. | (1) |
| Davis, Mary | (1) |
| Treat, Mary | (1) |
Correspondent
| Darwin, C. R. | (2) |
| Davis, Mary | (2) |
| Treat, Mary | (2) |
