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Darwin, C. R. in correspondent 
Semper, C. G. in correspondent 
1870-1879::1877::07 in date 
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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
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