From Ernst Haeckel 23 March 1868
Summary
Has received English edition of Variation. First volume of German edition came three months ago. Comments on book.
Will send copy of recent lectures on human evolution [Entstehung des Menschengeschlechts (1868)]. Gegenbaur much interested in the subject.
Considers Selachius the ancestral form of the fish and hence of all higher vertebrates. Believes their swim-bladder became lung of amphibians.
Mentions cases of hybrid crosses between rabbits and hares producing fertile offspring.
Author: | Ernst Philipp August (Ernst) Haeckel |
Addressee: | Charles Robert Darwin |
Date: | 23 Mar 1868 |
Classmark: | DAR 166: 47 |
Letter no: | DCP-LETT-6040 |
From Ernst Haeckel [before 6 February 1868]
Summary
Describes his lectures on CD’s theory.
Thanks CD for copy of Variation. Comments on book.
Describes work of two protégés in Jena: Nicolas von Miklucho[-Maclay] and Anton Dohrn.
His cousin, Wilhelm Bleek, is sending an article about the origin of language.
Asks to keep book a few months longer but will return it if CD needs it [Webb and Berthelot, Histoire naturelle des Îles Canaries, vol. 3, pt 1: Géographie botanique (1840)].
Describes research on Siphonophora.
Describes life in Jena. Mentions alpine accident during wedding trip.
Author: | Ernst Philipp August (Ernst) Haeckel |
Addressee: | Charles Robert Darwin |
Date: | [before 6 Feb 1868] |
Classmark: | DAR 166: 46 |
Letter no: | DCP-LETT-5840 |
From Ernst Haeckel 22 June 1868
Summary
Thanks CD for article by G. H. Lewes ["Mr Darwin’s hypotheses, pt 1", Fortn. Rev. n.s. 3 (1868): 353–73]. Comments on article.
Describes hybridisation experiment carried out on rabbits and hares by Dr Conrad.
Encloses description of Monera
and a phylogenetic table of vertebrates.
Mentions work on Medusae.
The controversy over CD in Germany.
Author: | Ernst Philipp August (Ernst) Haeckel |
Addressee: | Charles Robert Darwin |
Date: | 22 June 1868 |
Classmark: | DAR 166: 48 |
Letter no: | DCP-LETT-6255 |
From Ernst Haeckel 12 May 1867
Summary
Thanks CD for new edition of Origin [4th ed. (1866)].
Comments on CD’s criticism of the harsh tone of Generelle Morphologie. Thinks he may have harmed himself but not the cause. Believes a radical reform of the science necessary, and since most scientists take a prejudiced view of the matter, a vigorous attack is essential.
Describes his travels in Canaries, Spain, and France.
Author: | Ernst Philipp August (Ernst) Haeckel |
Addressee: | Charles Robert Darwin |
Date: | 12 May 1867 |
Classmark: | DAR 166: 44 |
Letter no: | DCP-LETT-5533 |
Matches: 2 hits
- … and Henrietta Emma Darwin . …
- … Darwin Archive–CUL. A report was also published on 12 September 1867 in the Jenaische Zeitschrift für Medicin und Naturwissenschaft ( Haeckel 1867 ). The highest point of the Pico de Teide on Tenerife is 3770 m ( Times atlas ). For Haeckel’s account of the climb, see Uschmann 1984 , pp. 92–6. Haeckel published his research on siphonophores in 1869 ( Haeckel 1869 ). See also letter from J. D. Hooker, 13 April 1867 . Emma …
From Ernst Haeckel 9 February 1880
Summary
Sends birthday wishes.
Discusses work on Medusae.
Recalls visit to Down.
Author: | Ernst Philipp August (Ernst) Haeckel |
Addressee: | Charles Robert Darwin |
Date: | 9 Feb 1880 |
Classmark: | DAR 166: 76 |
Letter no: | DCP-LETT-12467 |
From Ernst Haeckel 9 February 1877
Summary
Sends birthday wishes. Album of photographs from German admirers has been sent.
Plans trip to Mediterranean.
Author: | Ernst Philipp August (Ernst) Haeckel |
Addressee: | Charles Robert Darwin |
Date: | 9 Feb 1877 |
Classmark: | DAR 166: 70 |
Letter no: | DCP-LETT-10835 |
From Ernst Haeckel 12 July 1879
Summary
Thanks CD for comments on Freie Wissenschaft und freie Lehre [1878].
Describes work on Medusae.
Describes work on Challenger Radiolaria and publication plans.
Author: | Ernst Philipp August (Ernst) Haeckel |
Addressee: | Charles Robert Darwin |
Date: | 12 July 1879 |
Classmark: | DAR 166: 73 |
Letter no: | DCP-LETT-12148 |
From Ernst Haeckel 30 December 1876
Summary
Describes new journal, Kosmos, to be edited by Ernst Krause. Asks CD to lend his name to journal.
Has sent Anthropogenie, 3d ed.
Will send his study [Biologische Studien, pt 2: Studien zur Gastraea-theorie (1877)] in January.
Thanks CD for hospitality at Down.
Author: | Ernst Philipp August (Ernst) Haeckel |
Addressee: | Charles Robert Darwin |
Date: | 30 Dec 1876 |
Classmark: | DAR 166: 69 |
Letter no: | DCP-LETT-10738 |
From Ernst Haeckel 9 May 1876
Summary
Sends Die Perigenesis der Plastidule [1876]. Comments on CD’s theory of Pangenesis. Explains his own theory of Perigenesis.
Returns Webb and Berthelot, Îles Canaries; Géographie botanique [1840].
Describes work on 3d ed. of Anthropogenie.
Author: | Ernst Philipp August (Ernst) Haeckel |
Addressee: | Charles Robert Darwin |
Date: | 9 May 1876 |
Classmark: | DAR 166: 68 |
Letter no: | DCP-LETT-10501 |
From Ernst Haeckel 1 March 1872
Summary
Thanks CD for Origin, 6th ed.
Has declined chair at Strasbourg.
Describes research on calcareous sponges.
Criticises Pangenesis.
Author: | Ernst Philipp August (Ernst) Haeckel |
Addressee: | Charles Robert Darwin |
Date: | 1 Mar 1872 |
Classmark: | DAR 166: 57 |
Letter no: | DCP-LETT-8232 |
From Ernst Haeckel 24 February 1871
Summary
Received copy of Descent.
Discusses CD’s comments on EH’s work.
Speculates about reception by press and scientists.
Remarks on sexual selection;
on human relationship to catarrhine apes.
Has rejected offer of chair at Vienna.
Compares Jena to Down.
Describes growth of his salary.
Mentions birth of Emma Haeckel.
A. M. Norman’s collection of calcareous sponges is very valuable.
Author: | Ernst Philipp August (Ernst) Haeckel |
Addressee: | Charles Robert Darwin |
Date: | 24 Feb 1871 |
Classmark: | DAR 166: 55 |
Letter no: | DCP-LETT-7510 |
Matches: 2 hits
- … Darwin has the greatest sphere of influence of all scientists today! ” Since I have been staying here, my financial circumstances have much improved. I have been here for ten years now. In the first 5 I had only 50 £, in the past 5 100 £. Now my income has again been doubled, and I receive 200 £ Sterling. With this I can really better sustain my little family. On 10 January it was increased by one little Emma. …
- … Darwin hat dort demnoch den grössten Wirkungskreis von allen heutigen Naturforschern! ” Da ich nun hier geblieben bin, haben sich auch meine materiellen Verhältnisse sehr gebessert. Ich bin jetzt zehn Jahre grade hier. In den ersten 5 Jahren hatte ich nur 50 £, in den letzten 5 Jahren 100 £ Gehalt. Jetzt ist nun mein Gehalt wieder verdoppelt worden, und ich bekomme 200 £ Sterl. Damit kann ich meine kleine Familie schon besser ernähren. Sie ist am 10. Januar um eine kleine Emma …