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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 |
