Text Online
From:
Marshall, William
To:
Darwin, Horace
Date:
[8 February 1873]
Source of text:
DAR 258: 1729
Summary:
No summary available.
Contributor:
Darwin Family Letters
Showing 1–12 of 12 items
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Discusses feather as case of evolutionary atavism.
Will soon publish on siliceous sponges
and the skin of caterpillars.
Doubts ostrich descended from reptiles. Its ancestors true birds. Of course, all birds descended from reptiles. Compares foetus of birds to that of reptiles.
WM converted to belief in evolution by experience of museum work.
Describes protective coloration of coots’ eggs.