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DCP-LETT-10942

From:
Carl Gottfried Semper
To:
Charles Robert Darwin
Date:
26 Apr 1877
Source of text:
DAR 177: 137
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.].

Contributor:
Darwin Correspondence Project

DCP-LETT-10945F

From:
Charles Robert Darwin
To:
Carl Gottfried Semper
Date:
30 Apr 1877
Source of text:
J. A. Stargardt (dealers) (March 1994); Kotte Autographs (dealers) (March 2016)
Summary:

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

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

Contributor:
Darwin Correspondence Project

DCP-LETT-11050

From:
Carl Gottfried Semper
To:
Charles Robert Darwin
Date:
13 July 1877
Source of text:
DAR 177: 138
Summary:

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

Contributor:
Darwin Correspondence Project

DCP-LETT-11061

From:
Charles Robert Darwin
To:
Carl Gottfried Semper
Date:
18 July 1877
Source of text:
Universitäts- und Landesbibliothek Düsseldorf (slg 60/Dok/56)
Summary:

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

Contributor:
Darwin Correspondence Project
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