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Zacharias, Otto in correspondent 
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From:
Otto Zacharias
To:
Charles Robert Darwin
Date:
3 June 1875
Source of text:
DAR 184: 1
Summary:

Intends to set up a biological periodical called “Darwinia” to spread and popularise Darwin’s theories; hopes CD may contribute a few words to the opening issue.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Otto Zacharias
Date:
[11 June 1875]
Source of text:
Zacharias 1882 , p. 80
Summary:

CD is convinced by the conclusions of Malthus.

Contributor:
Darwin Correspondence Project
From:
Otto Zacharias
To:
Charles Robert Darwin
Date:
19 Aug 1875
Source of text:
DAR 184: 2
Summary:

Thanks for Insectivorous plants.

Describes difficulties in launching Darwinian journal.

Mentions recent criticism of evolution in Germany.

Would like to translate essay on marriage between relatives [by G. H. Darwin, see 9487].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Otto Zacharias
Date:
[before 3 January 1876]
Source of text:
Zacharias 1876 , pp. 19–20
Summary:

In an article in Das Ausland, Zacharias explains CD’s objections to a theory of heredity outlined by Marcus Cohen. The text is an excerpt from CD’s letter to Zacharias on the subject.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Otto Zacharias
Date:
10 May 1876
Source of text:
American Philosophical Society (Mss.B.D25.492)
Summary:

Promises to send sheets of his new book [Cross and self-fertilisation].

Contributor:
Darwin Correspondence Project
From:
Otto Zacharias
To:
Charles Robert Darwin
Date:
2 Oct 1876
Source of text:
DAR 184: 3
Summary:

Can CD send sheets of Cross and self-fertilisation as previously promised? OZ writing article on subject ["Darwin über Kreuzung und Selbstbefruchtung im Pflanzenreiche", Das Ausland (1877)].

German Darwinists preparing a Darwin album with photographs of themselves as gift.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Otto Zacharias
Date:
5 Oct [1876]
Source of text:
Swiss National Library, Helvetic Archives (SLA-Rhyn-06-d/03)
Summary:

The sheets of Cross and self-fertilisation will be sent to OZ as they become ready.

Contributor:
Darwin Correspondence Project
From:
Otto Zacharias
To:
Charles Robert Darwin
Date:
7 Jan 1877
Source of text:
DAR 184: 4
Summary:

Discusses publication of CD’s essays in three German popular periodicals.

Haeckel is ill.

German translation of George Darwin, "Marriage between first cousins" [1875] has sold 250 copies.

Contributor:
Darwin Correspondence Project
From:
Otto Zacharias
To:
Charles Robert Darwin
Date:
23 Feb 1877
Source of text:
DAR 184: 5
Summary:

Was CD already convinced of evolution when he published Journal of researches?

Photograph album will be late coming.

Evolutionary magazine to appear in March under title of Kosmos.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Otto Zacharias
Date:
[24 Feb 1877]
Source of text:
Zacharias 1882 , pp. 76–7
Summary:

Thanks OZ for a "magnificent Album".

On Beagle voyage CD believed in permanence of species. Had occasional vague doubts. In autumn of 1836 saw how many facts indicated common descent of species. In 1837 opened notebook to record facts.

Contributor:
Darwin Correspondence Project
From:
Otto Zacharias
To:
Charles Robert Darwin
Date:
21 Apr 1877
Source of text:
DAR 184: 6
Summary:

Sends abnormal pig’s foot. Does abnormality occur often?

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Otto Zacharias
Date:
26 Apr 1877
Source of text:
American Philosophical Society (Mss.B.D25.510)
Summary:

CD has sent the pig’s foot to William Henry Flower to examine.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Otto Zacharias
Date:
17 Apr [1878]
Source of text:
University of Southern California Libraries, Special Collections, Feuchtwanger Memorial Library (Collection no. 0204, Lion Feuchtwanger papers, Box 01)
Summary:

Doesn’t know anything about the insects in question, but has sent the photographs on to an expert in London.

Contributor:
Darwin Correspondence Project