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Hinrichs, G. D. in author 
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From:
Gustavus Detlef Hinrichs
To:
Charles Robert Darwin
Date:
[before 13 Aug 1868]
Source of text:
DAR 166: 220
Summary:

Sends work proving all elements formed of one substance: "Pantogen". Feels affinity with CD. His work will cause as great a stir. Has already been preached against. Asks CD for a note as a token of his sympathy.

Contributor:
Darwin Correspondence Project
From:
Gustavus Detlef Hinrichs
To:
Charles Robert Darwin
Date:
31 Aug 1868
Source of text:
DAR 166: 221
Summary:

Explains "Pantogen".

Summarises his papers.

Asks for help in finding a publisher.

Criticises d’Archiac’s review of Origin [in Paléontologie stratigraphique 2 (1864)].

Contributor:
Darwin Correspondence Project