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To C. G. Semper   30 April 1877

Summary

Is honoured by CGS’s dedication [see 10942].

His observation of the dorsal eyes of Onchidium is interesting and surprising.

Author:  Charles Robert Darwin
Addressee:  Carl Gottfried Semper
Date:  30 Apr 1877
Classmark:  J. A. Stargardt (dealer) (March 1994); Kotte Autographs (dealer) (March 2016)
Letter no:  DCP-LETT-10945F

To C. G. Semper   18 July 1877

Summary

Thanks for CGS’s work [“Über Schneckenaugen” (1877)].

Author:  Charles Robert Darwin
Addressee:  Carl Gottfried Semper
Date:  18 July 1877
Classmark:  Universitäts- und Landesbibliothek Düsseldorf (slg 60/Dok/56)
Letter no:  DCP-LETT-11061

From C. G. Semper   26 April 1877

Summary

Explains why he did not add his photograph to the album presented by German naturalists to CD. Instead he wishes to dedicate to CD his work on the vertebrate-type eyes on the back of some Mollusca. [Enclosed is a MS introduction to this work, Über Sehorgane von Typus der Wirbelthieraugen auf dem Rücken von Schnecken.].

Author:  Carl Gottfried Semper
Addressee:  Charles Robert Darwin
Date:  26 Apr 1877
Classmark:  DAR 177: 137
Letter no:  DCP-LETT-10942

From C. G. Semper   13 July 1877

Summary

Sends work on dorsal eyes of Onchidium ["Über Schneckenaugen", Arch. Mikrosk. Anat. 14 (1877): 118–24]. Comments on work.

Author:  Carl Gottfried Semper
Addressee:  Charles Robert Darwin
Date:  13 July 1877
Classmark:  DAR 177: 138
Letter no:  DCP-LETT-11050
Document type
letter (4)
Addressee
Correspondent
Darwin, C. R.[X]
Semper, C. G.[X]
Date
1877
04 (2)
07 (2)
letter