To F. J. Cohn [30 June 1875]
Summary
CD’s publisher is sending FJC an early copy of Insectivorous plants, in which he hopes that FJC’s admirable papers are acknowledged with the respect that they deserve.
| Author: | Charles Robert Darwin |
| Addressee: | Ferdinand Julius Cohn |
| Date: | [30 June 1875] |
| Classmark: | DAR 185: 98 |
| Letter no: | DCP-LETT-10037A |
From F. J. Cohn 21 August 1875
Summary
Acknowledges presentation copy of Insectivorous plants.
Studying Drosera on vacation in Bohemia. Thinks CD has erred in considering "aggregation" to have occurred in the protoplasm. Suggests it is result of exosmosis of vacuole.
| Author: | Ferdinand Julius Cohn |
| Addressee: | Charles Robert Darwin |
| Date: | 21 Aug 1875 |
| Classmark: | DAR 161: 200 |
| Letter no: | DCP-LETT-10131 |
To F. J. Cohn 24 August 1875
Summary
Responds to FJC’s criticism regarding "aggregation" as it occurs in protoplasm [see 10131].
| Author: | Charles Robert Darwin |
| Addressee: | Ferdinand Julius Cohn |
| Date: | 24 Aug 1875 |
| Classmark: | DAR 185: 99 |
| Letter no: | DCP-LETT-10134A |
From F. J. Cohn 28 August 1875
Summary
Clarifies his thoughts on "aggregation" in Drosera.
| Author: | Ferdinand Julius Cohn |
| Addressee: | Charles Robert Darwin |
| Date: | 28 Aug 1875 |
| Classmark: | DAR 86: B3–4 |
| Letter no: | DCP-LETT-10137 |
To F. J. Cohn 2 September 1875
Summary
Further discussion of the process of aggregation in response to [10137].
| Author: | Charles Robert Darwin |
| Addressee: | Ferdinand Julius Cohn |
| Date: | 2 Sept 1875 |
| Classmark: | DAR 185: 100 |
| Letter no: | DCP-LETT-10150A |
To F. J. Cohn 1 January 1875
Summary
Asks whether he might copy two of FJC’s drawings of Aldrovanda. He would like to have a proof of the plate for two woodcuts to be used in his forthcoming book [Insectivorous plants].
| Author: | Charles Robert Darwin |
| Addressee: | Ferdinand Julius Cohn |
| Date: | 1 Jan 1875 |
| Classmark: | DAR 185: 97 |
| Letter no: | DCP-LETT-9795A |
From F. J. Cohn 9 January 1875
Summary
Thanks CD for his letter of 1 Jan 1875. Will send a paper on the genus Volvox ["Die Entwicklungsgeschichte der Gattung Volvox", Cohn Beitr. Biol. Pflanz. 1 (1875) Heft 3: 99–115].
Informs CD of his discoveries of the "house"-building capacity of Difflugia, one of the lowest forms of organism.
Sends CD his writing on Aldrovanda and Utricularia, which he is welcome to use in his forthcoming book [Insectivorous plants].
Has observed a Dionaea fertilised without insect aid.
| Author: | Ferdinand Julius Cohn |
| Addressee: | Charles Robert Darwin |
| Date: | 9 Jan 1875 |
| Classmark: | DAR 161: 199 |
| Letter no: | DCP-LETT-9810 |
| letter | (7) |
| Darwin, C. R. | (4) |
| Cohn, F. J. | (3) |
| Cohn, F. J. | (4) |
| Darwin, C. R. | (3) |
| Cohn, F. J. | |
| Darwin, C. R. | (7) |
