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Haeckel, Ernst in author 
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DCP-LETT-8783

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
23 Feb 1873
Source of text:
DAR 166: 60
Summary:

Thanks CD for comments on Die Kalkschwämme.

Plans trip to Greece, Asia Minor, and Egypt.

Discusses work of a Polish translator, Ludwik Masłowski.

Contributor:
Darwin Correspondence Project

DCP-LETT-9091

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
8 Oct 1873
Source of text:
DAR 166: 61
Summary:

On CD’s paper ["Complemental males of certain cirripedes", Collected papers 2: 177–82].

Comments on paper by W. H. Dallinger and J. J. Drysdale ["Life history of a Cercomonad", Mon. Microsc. J. 10 (1873): 53–8].

Discusses origin of life, the Gastraea theory and concept that primary germ layers are homologous in all animals. Notes similar views of E. Ray Lankester ["On the primitive cell-layers of the embryo", Ann. & Mag. Nat. Hist. 4th ser. 11 (1873): 321–38].

Reception of Darwinism in Germany.

Contributor:
Darwin Correspondence Project
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