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To C. G. Semper 6 February 1881
Summary
Comments on CGS’s The natural conditions of existence [1881] and on views of Moritz Wagner on geographical distribution.
Discusses cause of variability.
| Author: | Charles Robert Darwin |
| Addressee: | Carl Gottfried Semper |
| Date: | 6 Feb 1881 |
| Classmark: | Universitäts- und Landesbibliothek Düsseldorf (slg 60/Dok/62) |
| Letter no: | DCP-LETT-13040 |
To C. G. Semper 19 July 1881
Summary
Thinks CGS right not to reply to critical article by Lankester.
Discusses direct action of environment as cause of variability; the finding of Hermann Hoffmann that direct action of environment affects plants very little.
| Author: | Charles Robert Darwin |
| Addressee: | Carl Gottfried Semper |
| Date: | 19 July 1881 |
| Classmark: | Universitäts- und Landesbibliothek Düsseldorf (slg 60/Dok/63) |
| Letter no: | DCP-LETT-13251 |
From C. G. Semper 16 July 1881
Summary
Thanks CD for his kind judgment on his book [The natural conditions of existence (1881)].
E. Ray Lankester has written an unfriendly review of it [Nature 23 (1880–1): 405–9].
| Author: | Carl Gottfried Semper |
| Addressee: | Charles Robert Darwin |
| Date: | 16 July 1881 |
| Classmark: | DAR 177: 141 |
| Letter no: | DCP-LETT-13246 |
Document type
| letter | (3) |
Author
| Darwin, C. R. | (2) |
| Semper, C. G. | (1) |
Addressee
| Semper, C. G. | (2) |
| Darwin, C. R. | (1) |
