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Haeckel, Ernst in author 
1870-1879::1879 in date 
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DCP-LETT-11865

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
9 Feb 1879
Source of text:
DAR 166: 72
Summary:

Sends birthday wishes.

Comments on progress of CD’s theory in Germany. Mentions opposition of Rudolf Virchow and his reply Freie Wissenschaft und freie Lehre [1878].

Describes research trip to Brittany and Normandy.

Research on Challenger Radiolaria.

Contributor:
Darwin Correspondence Project

DCP-LETT-12148

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
12 July 1879
Source of text:
DAR 166: 73
Summary:

Thanks CD for comments on Freie Wissenschaft und freie Lehre [1878].

Describes work on Medusae.

Describes work on Challenger Radiolaria and publication plans.

Contributor:
Darwin Correspondence Project

DCP-LETT-12205

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
30 Aug 1879
Source of text:
DAR 166: 75
Summary:

Accepts invitation to visit Down.

Describes travel plans in Scotland.

Contributor:
Darwin Correspondence Project

DCP-LETT-12215

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
3 Sept 1879
Source of text:
DAR 166: 74
Summary:

Arranges to visit Down.

Contributor:
Darwin Correspondence Project
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