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.

Letter details

Record number

DCP-LETT-9965

From

Darwin, C. R.

To

Weismann, A. F. L.

Date

1 and 4 May 1875

Sent from

Down

Source of text

DAR 148: 344

Physical description

4pp