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To Ernst Haeckel   20 January 1873

Summary

On EH’s Die Kalkschwämme [1872].

Author:  Charles Robert Darwin
Addressee:  Ernst Philipp August (Ernst) Haeckel
Date:  20 Jan 1873
Classmark:  Ernst-Haeckel-Haus (Bestand A-Abt. 1: 52/29)
Letter no:  DCP-LETT-8743

To Ernst Haeckel   25 September 1873

Summary

Comments on EH’s Natürliche Schöpfungsgeschichte [4th ed.].

Has written paper on rudimentary structures ["Complemental males of certain cirripedes", (1873) Collected papers 2: 177–82].

Edward Morse thinks brachiopods should be classed with annelids ["The systematic position of the Brachiopoda", Proc. Boston Soc. Nat. Hist. 15 (1873): 315–73].

Author:  Charles Robert Darwin
Addressee:  Ernst Philipp August (Ernst) Haeckel
Date:  25 Sept 1873
Classmark:  Ernst-Haeckel-Haus, Friedrich-Schiller-Universität, Jena (Bestand A-Abt. 1: 1-52/30)
Letter no:  DCP-LETT-9068

From Ernst Haeckel   23 February 1873

Summary

Thanks CD for comments on Die Kalkschwämme.

Plans trip to Greece, Asia Minor, and Egypt.

Discusses work of a Polish translator, Ludwik Masłowski.

Author:  Ernst Philipp August (Ernst) Haeckel
Addressee:  Charles Robert Darwin
Date:  23 Feb 1873
Classmark:  DAR 166: 60
Letter no:  DCP-LETT-8783

From Ernst Haeckel   8 October 1873

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.

Author:  Ernst Philipp August (Ernst) Haeckel
Addressee:  Charles Robert Darwin
Date:  8 Oct 1873
Classmark:  DAR 166: 61
Letter no:  DCP-LETT-9091
Document type
letter (4)
Addressee
Correspondent
Darwin, C. R.[X]
Haeckel, Ernst[X]
Date
1873
01 (1)
02 (1)
09 (1)
10 (1)
letter