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DCP-LETT-10012

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
6 June 1875
Source of text:
DAR 166: 64
Summary:

Comments on Fritz Schultze, Kant und Darwin [1875].

Describes recent activities.

Contributor:
Darwin Correspondence Project

DCP-LETT-10246

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
7 Nov 1875
Source of text:
DAR 166: 65
Summary:

Thanks CD for Climbing plants and Insectivorous plants.

Discusses his research on phylogeny. Results described in "Die Gastrula und die Eifurchung der Tiere" [Jena. Z. Naturw. 9 (1875): 402–508].

Describes newly discovered coral.

Contributor:
Darwin Correspondence Project

DCP-LETT-10356

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
13 Jan 1876
Source of text:
DAR 166: 66
Summary:

Sends copy of Arabische Korallen [1876].

Comments on reception of his paper on "Gastrula" [see 10012].

Contributor:
Darwin Correspondence Project

DCP-LETT-10375

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
31 Jan and 1 Feb 1876
Source of text:
DAR 166: 67
Summary:

Thanks CD for comments on Arabische Korallen [1876].

Comments on Monoenia darwinii [?] as a primitive sponge.

Discusses criticisms of CD’s theory by K. E. von Baer ["Über Darwin’s Lehre", in Reden 2 (1876): 235–480].

Contributor:
Darwin Correspondence Project

DCP-LETT-10501

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
9 May 1876
Source of text:
DAR 166: 68
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.

Contributor:
Darwin Correspondence Project

DCP-LETT-10738

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
30 Dec 1876
Source of text:
DAR 166: 69
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.

Contributor:
Darwin Correspondence Project

DCP-LETT-10835

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
9 Feb 1877
Source of text:
DAR 166: 70
Summary:

Sends birthday wishes. Album of photographs from German admirers has been sent.

Plans trip to Mediterranean.

Contributor:
Darwin Correspondence Project

DCP-LETT-11348

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
9 Feb 1878
Source of text:
DAR 166: 71
Summary:

Sends birthday wishes.

Discusses his work on the Challenger [expedition] Radiolaria.

Contributor:
Darwin Correspondence Project

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

DCP-LETT-12467

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
9 Feb 1880
Source of text:
DAR 166: 76
Summary:

Sends birthday wishes.

Discusses work on Medusae.

Recalls visit to Down.

Contributor:
Darwin Correspondence Project

DCP-LETT-13043

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
9 Feb 1881
Source of text:
DAR 166: 77
Summary:

Sends birthday wishes.

Comments on Movement in plants.

Sends System der Ascrapeden [1880].

Describes work on Challenger Medusae.

Comments on success of CD’s theory.

Contributor:
Darwin Correspondence Project

DCP-LETT-13213

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
21 June 1881
Source of text:
DAR 166: 78
Summary:

Plans visit to Ceylon.

Describes rejection of his application for funds by Berlin Academy. Asks about possibility of obtaining support in England. Is writing to Lubbock and Huxley about it.

Hopes that new microscope from Zeiss is satisfactory. Ernst Abbe selected lenses.

Contributor:
Darwin Correspondence Project

DCP-LETT-13228

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
1 July 1881
Source of text:
DAR 166: 79
Summary:

Thanks CD for offer of financial support. Discusses application for funds for Ceylon trip.

Contributor:
Darwin Correspondence Project

DCP-LETT-4377

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
2 Jan 1864
Source of text:
DAR 166: 36
Summary:

Returns letter mailed by mistake [see 4361].

Hopes CD will accept gift of his Radiolarien [Die Radiolarien, 2 vols. (1862)].

Contributor:
Darwin Correspondence Project

DCP-LETT-4555

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
9 [July 1864]
Source of text:
DAR 166: 35
Summary:

No book has made such a powerful impression on EH as the Origin. Most older German scholars opposed to it, but number of supporters growing among the young. Fortunately strength of religious dogmas now small among educated Germans. Situation in Jena especially favourable. Defended CD’s theory last year at Congress of German Scientists in Stettin.

Intends special study of jellyfish.

Plans general work on natural history.

Hard fate [death of Anna Sethe Haeckel] has made EH indifferent to criticism.

Colleagues August Schleicher and Carl Gegenbaur also convinced by CD’s theory.

Contributor:
Darwin Correspondence Project

DCP-LETT-4586

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
10 Aug 1864
Source of text:
DAR 166: 38
Summary:

Sends photographs of himself and his late wife [Anna Sethe]. Describes death of his wife.

Plans trip to the Alps.

Thanks CD for biographical information about himself.

Mentions Goethe as early evolutionist.

Cites Kant as early supporter of epigenesis.

Mentions criticism of CD’s theory by R. A. von Kölliker ["Über die Darwin’sche Schöpfungstheorie", Z. Wiss. Zool. 14 (1864): 174–86].

Contributor:
Darwin Correspondence Project

DCP-LETT-4646

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
26 Oct 1864
Source of text:
DAR 166: 39
Summary:

Thanks CD for notes concerning the development of his ideas about the origin of species. Says August Schleicher and Carl Gegenbaur also interested.

Names new supporters of CD’s theory, including Max Schultze, Rudolf Leuckart, and Alexander Braun. Zoologists have been more interested than botanists.

He is writing a general work on the relationships among animals [Generelle Morphologie der Organismen (1866)].

Comments on Fritz Müller’s Für Darwin [1864].

Gegenbaur is revising his Grundzüge der vergleichenden Anatomie [2d ed. (1870)] to accord with evolution.

Thanks CD for copy of book on balanids [Living Cirripedia, vol. 2].

Contributor:
Darwin Correspondence Project
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