Text Online
From:
Darwin, G. H.
To:
Darwin, Emma
Date:
3 March 1873
Source of text:
DAR 210.2: 26
Summary:
No summary available.
Contributor:
Darwin Family Letters
Showing 1–3 of 3 items
No summary available.
Although he believes in evolution, TM feels that natural selection is an inadequate cause;
nor is he satisfied with E. D. Cope’s law of acceleration and retardation.
Discusses some of his work relating to nutrition and sex and colour and sex.
Praise for and detailed comments on Expression.
Two cases of coloration in animals – one from sexual selection, the other helping to procure prey [see Descent, 2d ed., pp. 542–3].