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To August Weismann   6 December 1875

Summary

Comments on AW’s essay [on "Axolotl", Z. Wiss. Zool. 25 (suppl.) (1875): 297–342] with respect to evolutionary reversion. Peloric flowers must also be considered reversion.

Author:  Charles Robert Darwin
Addressee:  Leopold Friedrich August (August) Weismann
Date:  6 Dec 1875
Classmark:  DAR 148: 345
Letter no:  DCP-LETT-10289

To August Weismann   [17 June 1876 or later]

Summary

Comments on Weismann’s remarks on the possibility of sexual selection in the genus Daphnia.

A. R. Wallace has published paper giving up sexual selection [Review of St George Jackson Mivart’s Lessons from nature, as manifested in mind and matter.] in Academy, 10 and 17 June 1876, pp. 587–8.]

Author:  Charles Robert Darwin
Addressee:  Leopold Friedrich August (August) Weismann
Date:  [17 June 1876 or later]
Classmark:  DAR 148: 346
Letter no:  DCP-LETT-10335

To August Weismann   13 November 1876

Summary

Thanks for present of Studien [zur Descendenz-Theorie, vol. 2 (1876)].

Author:  Charles Robert Darwin
Addressee:  Leopold Friedrich August (August) Weismann
Date:  13 Nov 1876
Classmark:  DAR 148: 347
Letter no:  DCP-LETT-10670

To August Weismann   12 January 1877

Summary

Comments on AW’s book [Studien zur Descendenz-Theorie (1875–6)], especially on mimicry in caterpillars.

Mentions sets of drawings of British Lepidoptera in all stages. Would AW like to see them?

Author:  Charles Robert Darwin
Addressee:  Leopold Friedrich August (August) Weismann
Date:  12 Jan 1877
Classmark:  DAR 148: 348
Letter no:  DCP-LETT-10784

To August Weismann   17 February 1877

Summary

Negotiations for loan of drawings [of Lepidoptera] have failed.

Author:  Charles Robert Darwin
Addressee:  Leopold Friedrich August (August) Weismann
Date:  17 Feb 1877
Classmark:  DAR 148: 349
Letter no:  DCP-LETT-10850

To August Weismann   10 November 1879

Summary

Thanks for AW’s work ["Zur Naturgeschichte der Daphniden", Z. Wiss. Zool. 27: 51–112; 28: 93–254; 30 (suppl.): 123–65; 33: 55–270]. CD always interested in adaptations which appear to owe their structure to other causes.

Has not heard from Raphael Meldola for a long time about translation of AW’s Studien.

Author:  Charles Robert Darwin
Addressee:  Leopold Friedrich August (August) Weismann
Date:  10 Nov 1879
Classmark:  Shrewsbury School, Taylor Library
Letter no:  DCP-LETT-12303

To August Weismann   22 October 1868

Summary

Fears copy of AW’s publication [Über die Berechtigung der Darwin’schen Theorie (1868)] lost in mail. Asks for another.

Glad AW approves of his work

and objects to Nägeli’s law of perfection.

Thinks Moritz Wagner overrates necessity for emigration and isolation.

Author:  Charles Robert Darwin
Addressee:  Leopold Friedrich August (August) Weismann
Date:  22 Oct 1868
Classmark:  DAR 148: 341
Letter no:  DCP-LETT-6427

To August Weismann   29 February 1872

Summary

Glad AW’s eyesight is better.

Has received AW’s essay [Einfluss der Isolierung (1872)].

Glad he is turning attention to sexual selection. Hardly any naturalists agree with CD on subject.

Author:  Charles Robert Darwin
Addressee:  Leopold Friedrich August (August) Weismann
Date:  29 Feb 1872
Classmark:  DAR 148: 342
Letter no:  DCP-LETT-8228

To August Weismann   5 April 1872

Summary

Comments on AW’s work [Einfluss der Isolierung (1872)].

Discusses formation of local races.

Conchologist should investigate whether species of same genus vary during successive geological periods.

Comments on Franz Hilgendorf ["Über Planorbis multiformis", Monatsber. K. Preuss. Akad. Wiss. Berlin (1866): 474–504].

Believes sexual selection will be judged a powerful agency.

Author:  Charles Robert Darwin
Addressee:  Leopold Friedrich August (August) Weismann
Date:  5 Apr 1872
Classmark:  DAR 148: 343
Letter no:  DCP-LETT-8275

To August Weismann   1 and 4 May 1875

Summary

Comments on AW’s work [Studien zur Descendenz-Theorie, vol. 1 (1875)].

On seasonal dimorphism in Lepidoptera in relation to sexual selection.

Discusses evolutionary reversion.

Comments on birds’ avoiding brightly coloured caterpillars. Offers references on subject.

Alpheus Hyatt says Franz Hilgendorf mistaken [about Planorbis multiformis].

Quotes from letter from J. J. Weir on birds’ rejection of brightly-coloured caterpillars.

Author:  Charles Robert Darwin
Addressee:  Leopold Friedrich August (August) Weismann
Date:  1 and 4 May 1875
Classmark:  DAR 148: 344
Letter no:  DCP-LETT-9965
Document type
letter (10)
Author
Addressee
Correspondent
Date
1868 (1)
1872 (2)
1875 (2)
1876 (2)
1877 (2)
1879 (1)
letter