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Darwin Correspondence Project

To Eduard Koch   13 December [1867]

Down. | Bromley. | Kent. S.E.

Dec 13th.

Dear Sir

I am much obliged for your note. I shall probably receive the translation in a day or two.1 The English edition is delayed only by the index, but will appear at the close of this year or very soon afterwards. Hence you may publish the German edit. on the last day of Decr.2

If you will refer to my former note you will find that I spoke of having given my previous works for translation to your firm without payment, but I said nothing about any future work.3 Will you be so good as to strike out of the list previously sent the name of “Prof. Ernst Häckel of Jena” & insert in its place the name of “Prof. Gegenbauer of Jena”.4

I hope the translation of my book may be successful in Germany, and I remain | Dear Sir | yours faithfully | Charles Darwin

I intend sending an English copy to Prof. E. Häckel


Koch had informed CD that he was sending him two copies of the first volume of the German translation of Variation (Carus trans. 1868; see letter from Eduard Koch, 11 December 1867).
CD refers to Ernst Haeckel and Carl Gegenbaur.


Variation: The variation of animals and plants under domestication. By Charles Darwin. 2 vols. London: John Murray. 1868.


English edition of Variation delayed by the index, ES may publish German edition at the end of December. Asks that Carl Gegenbaur be substituted for Haeckel on list of presentation copies of German edition, Haeckel will receive copy of English edition.

Please cite as

Darwin Correspondence Project, “Letter no. 5727,” accessed on 21 April 2021,

Also published in The Correspondence of Charles Darwin, vol. 15