Search: letter in document-type 
1870-1879 in date 
Darwin, C. R. in correspondent 
Semper, C. G. in correspondent 
Universitäts- und Landesbibliothek Düsseldorf in repository 
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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

DCP-LETT-11617

From:
Charles Robert Darwin
To:
Carl Gottfried Semper
Date:
19 July 1878
Source of text:
Universitäts- und Landesbibliothek Düsseldorf (slg 60/Dok/57)
Summary:

Offers to give CGS a writing machine.

Contributor:
Darwin Correspondence Project

DCP-LETT-11629

From:
Charles Robert Darwin
To:
Carl Gottfried Semper
Date:
24 July [1878]
Source of text:
Universitäts- und Landesbibliothek Düsseldorf (slg 60/Dok/58)
Summary:

Pleased CGS will accept machine.

Contributor:
Darwin Correspondence Project

DCP-LETT-11760

From:
Charles Robert Darwin
To:
Carl Gottfried Semper
Date:
26 Nov [1878]
Source of text:
Universitäts- und Landesbibliothek Düsseldorf (slg 60/Dok/59)
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.

Contributor:
Darwin Correspondence Project

DCP-LETT-11767

From:
Charles Robert Darwin
To:
Carl Gottfried Semper
Date:
30 Nov 1878
Source of text:
Universitäts- und Landesbibliothek Düsseldorf (slg 60/Dok/60)
Summary:

Discusses effect of isolation on species modification and the views of Moritz Wagner on the subject.

Contributor:
Darwin Correspondence Project

DCP-LETT-12245

From:
Charles Robert Darwin
To:
Carl Gottfried Semper
Date:
2 Oct 1879
Source of text:
Universitäts- und Landesbibliothek Düsseldorf (slg 60/Dok/61)
Summary:

Discusses CGS’s account of Pellew Islands. Still believes atolls and barrier reefs in Pacific indicate subsidence. But cases like Pellew Islands, if frequent, would make his conclusions of little value.

Contributor:
Darwin Correspondence Project
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