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From:
Carl Friedrich Claus
To:
Charles Robert Darwin
Date:
24 Jan 1869
Source of text:
DAR 161: 176
Summary:

Sends a paper on reproductive modes of Leptodera ["Organisation und Fortpflanzen von Leptodera", Schr. Ges. Beförd. Naturw. Marburg (1869)].

Criticises Ernst Haeckel’s work as too unripe and enthusiastic.

Asks CD for some specimens of cirripedes in pupal stage for a work in progress.

Contributor:
Darwin Correspondence Project