To C. G. Semper 19 July 1878
Summary
Offers to give CGS a writing machine.
| Author: | Charles Robert Darwin |
| Addressee: | Carl Gottfried Semper |
| Date: | 19 July 1878 |
| Classmark: | Universitäts- und Landesbibliothek Düsseldorf (slg 60/Dok/57) |
| Letter no: | DCP-LETT-11617 |
To C. G. Semper 24 July [1878]
Summary
Pleased CGS will accept machine.
| Author: | Charles Robert Darwin |
| Addressee: | Carl Gottfried Semper |
| Date: | 24 July [1878] |
| Classmark: | Universitäts- und Landesbibliothek Düsseldorf (slg 60/Dok/58) |
| Letter no: | DCP-LETT-11629 |
To C. G. Semper 26 November [1878]
Summary
Discusses views of Moritz Wagner on modification of species. Two different cases: one in which a species is modified in the same country and cases in which a species splits. Glad CGS is taking up subject.
| Author: | Charles Robert Darwin |
| Addressee: | Carl Gottfried Semper |
| Date: | 26 Nov [1878] |
| Classmark: | Universitäts- und Landesbibliothek Düsseldorf (slg 60/Dok/59) |
| Letter no: | DCP-LETT-11760 |
To C. G. Semper 30 November 1878
Summary
Discusses effect of isolation on species modification and the views of Moritz Wagner on the subject.
| Author: | Charles Robert Darwin |
| Addressee: | Carl Gottfried Semper |
| Date: | 30 Nov 1878 |
| Classmark: | Universitäts- und Landesbibliothek Düsseldorf (slg 60/Dok/60) |
| Letter no: | DCP-LETT-11767 |
To C. G. Semper [after 6 December 1878]
Summary
Gives CGS permission to use his letters in any way he thinks fit.
Discusses the direct effect of external conditions as an agent of change in organisms; has encountered many cases since the publication of Origin.
| Author: | Charles Robert Darwin |
| Addressee: | Carl Gottfried Semper |
| Date: | [after 6 Dec 1878] |
| Classmark: | DAR 202: 120v |
| Letter no: | DCP-LETT-11777 |
From C. G. Semper 22 July 1878
Summary
Thanks CD for his kind letter and accepts his offer of a writing machine.
| Author: | Carl Gottfried Semper |
| Addressee: | Charles Robert Darwin |
| Date: | 22 July 1878 |
| Classmark: | DAR 177: 137 |
| Letter no: | DCP-LETT-11624 |
From C. G. Semper 5 October 1878
Summary
Thanks CD for writing machine.
Recalls visit by CD’s son [Francis].
| Author: | Carl Gottfried Semper |
| Addressee: | Charles Robert Darwin |
| Date: | 5 Oct 1878 |
| Classmark: | DAR 177: 140 |
| Letter no: | DCP-LETT-11716 |
From C. G. Semper 6 December 1878
Summary
Asks whether he may use CD’s letters in his work [Die natürlichen Existenzbedingungen der Thiere (1880)] in order to show that Moritz Wagner has misrepresented CD’s views.
Discusses the influence of isolation and external conditions on animals, and the relative importance of the direct effect of external conditions and of selection in bringing about change.
| Author: | Carl Gottfried Semper |
| Addressee: | Charles Robert Darwin |
| Date: | 6 Dec 1878 |
| Classmark: | DAR 202: 120 |
| Letter no: | DCP-LETT-11776 |
| letter | (8) |
| Darwin, C. R. | (5) |
| Semper, C. G. | (3) |
| Semper, C. G. | (5) |
| Darwin, C. R. | (3) |
