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From C. F. Claus   5 March 1877

Summary

Has read in the newspapers about the album of photographs of German scientists sent in tribute to CD. His name and photograph are missing only because he was not asked to participate. CC assures CD he is one of his ardent supporters.

Author:  Carl Friedrich Claus
Addressee:  Charles Robert Darwin
Date:  5 Mar 1877
Classmark:  DAR 161: 179
Letter no:  DCP-LETT-10879

From C. F. Claus   24 January 1869

Summary

Sends a paper on reproductive modes of Leptodera ["Organisation und Fortpflanzen von Leptodera", Schr. Ges. Beförd. Naturw. Marburg (1869)].

Criticises Ernst Haeckel’s work as too unripe and enthusiastic.

Asks CD for some specimens of cirripedes in pupal stage for a work in progress.

Author:  Carl Friedrich Claus
Addressee:  Charles Robert Darwin
Date:  24 Jan 1869
Classmark:  DAR 161: 176
Letter no:  DCP-LETT-6575

From C. F. Claus   6 February 1869

Summary

Pleased by CD’s good opinion and offer to provide material. Discusses work he would do on cirripedes.

Moritz Wagner’s views on migration of species;

his doubts about Fritz Müller’s views on developmental stages of Crustacea.

Author:  Carl Friedrich Claus
Addressee:  Charles Robert Darwin
Date:  6 Feb 1869
Classmark:  DAR 161: 177
Letter no:  DCP-LETT-6605

From C. F. Claus   19 March 1869

Summary

The cirripede material mentioned in CD’s letter of 10 Feb has not arrived. [Asks CD to inquire of Williams and Norgate, who forwarded it.]

Author:  Carl Friedrich Claus
Addressee:  Charles Robert Darwin
Date:  19 Mar 1869
Classmark:  DAR 161: 178
Letter no:  DCP-LETT-6671
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letter (4)
Author
Addressee
Correspondent
Date
1869 (3)
1877 (1)