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From:
Alfred Victor (Alfred) Espinas
To:
Charles Robert Darwin
Date:
Mar 1872
Source of text:
DAR 163: 33
Summary:

AE, philosophy professor, is disposed to accept natural selection, but argues that it lacks direction. Suggests that direction would be given if one assumed the appearance of multiple advantageous traits in a single individual. Cites Herbert Spencer, Rudolf Virchow, Claude Bernard, and Carl Vogt.

Contributor:
Darwin Correspondence Project
Text Online
From:
Darwin, Emma
To:
Litchfield, H. E.
Date:
[March 1872]
Source of text:
DAR 219.9: 97
Summary:

No summary available.

Contributor:
Darwin Family Letters
From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
[1 Mar 1872]
Source of text:
DAR 162: 103
Summary:

David Forbes thinks WED’s chalk samples have been penetrated by surface mud.

Contributor:
Darwin Correspondence Project
Text Online
From:
Ferdinand von Mueller
To:
[Joseph Hooker]
Date:
1 March 1872
Source of text:
RBG Kew. Kew Correspondence, Australia, Mueller, 1871-81. f. 36
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project
From:
David Forbes
To:
Charles Robert Darwin
Date:
1 Mar 1872
Source of text:
DAR 164: 149
Summary:

Sends information on composition of chalk at Shoreham and Folkestone.

Contributor:
Darwin Correspondence Project
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From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
1 Mar 1872
Source of text:
DAR 166: 57
Summary:

Thanks CD for Origin, 6th ed.

Has declined chair at Strasbourg.

Describes research on calcareous sponges.

Criticises Pangenesis.

Contributor:
Darwin Correspondence Project