From Ernst Haeckel 2 July 1869
Summary
Comments on 5th edition of the Origin [1869];
preparation of second edition of Natürliche Schöpfungsgeschichte [1870].
The reception of CD’s theory. Mentions support of Pieter Harting and Michael Sars.
EH’s research on calcareous sponges and plans to publish monograph on them.
| Author: | Ernst Philipp August (Ernst) Haeckel |
| Addressee: | Charles Robert Darwin |
| Date: | 2 July 1869 |
| Classmark: | DAR 166: 52 |
| Letter no: | DCP-LETT-6812 |
To Ernst Haeckel 3 August [1869]
Summary
Suggests Englishmen who might provide sponge specimens.
| Author: | Charles Robert Darwin |
| Addressee: | Ernst Philipp August (Ernst) Haeckel |
| Date: | 3 Aug [1869] |
| Classmark: | Ernst-Haeckel-Haus (Bestand A-Abt. 1: 1–52/22) |
| Letter no: | DCP-LETT-6850 |
From Ernst Haeckel 29 September 1869
Summary
Thanks CD for assistance concerning sponge specimens. Mentions Englishmen who have sent specimens. J. S. Bowerbank has not answered requests.
Sends articles dealing with sponges and Medusae. Cites passages for CD to read. Suggests passages from Entwicklungsgeschichte der Siphonophoren [1869].
Describes meeting with Sars and his trip to Norway.
| Author: | Ernst Philipp August (Ernst) Haeckel |
| Addressee: | Charles Robert Darwin |
| Date: | 29 Sept 1869 |
| Classmark: | DAR 166: 53 |
| Letter no: | DCP-LETT-6917 |
To Ernst Haeckel 3 October [1869]
Summary
Mentions views of Sars on species.
EH’s work on Siphonophora.
| Author: | Charles Robert Darwin |
| Addressee: | Ernst Philipp August (Ernst) Haeckel |
| Date: | 3 Oct [1869] |
| Classmark: | Ernst-Haeckel-Haus (Bestand A-Abt. 1: 1–52/23) |
| Letter no: | DCP-LETT-6924 |
Document type
| letter | (4) |
Author
| Darwin, C. R. | (2) |
| Haeckel, Ernst | (2) |
Addressee
| Darwin, C. R. | (2) |
| Haeckel, Ernst | (2) |
Correspondent
| Darwin, C. R. | (4) |
| Haeckel, Ernst | (4) |
