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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
Document type
letter (5)
Author
Darwin, C. R.[X]
Addressee
Correspondent
Darwin, C. R.[X]
Semper, C. G. (5)
Date
1878
07 (2)
11 (2)
12 (1)
letter