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Weismann, August in correspondent 
1870-1879::1875::05 in date 
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From:
Charles Robert Darwin
To:
Leopold Friedrich August (August) Weismann
Date:
1 and 4 May 1875
Source of text:
DAR 148: 344
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.

Contributor:
Darwin Correspondence Project