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
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
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 |