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From:
Charles Robert Darwin
To:
Robert Francis Cooke; John Murray
Date:
15 Aug 1872
Source of text:
National Library of Scotland (John Murray Archive) (Ms. 42152 ff. 260–1)
Summary:

Arrangements for the plates for Expression and charges to be made for them to foreign editors.

Contributor:
Darwin Correspondence Project
From:
Daniel F Tyler
To:
Charles Robert Darwin
Date:
15 Aug 1872
Source of text:
DAR 88: 181–2
Summary:

Parallel quotations from Benjamin Franklin and Descent about absorption of heat by different colours; applies to winter and summer plumage of birds.

Reasoning power in dogs.

Contributor:
Darwin Correspondence Project
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