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From:
Charles Robert Darwin
To:
William Darwin Fox
Date:
14 Jan [1858]
Source of text:
Christ’s College Library, Cambridge (MS 53 Fox 108)
Summary:

Asks to borrow W. C. Hewitson’s book [British oology, 2 vols. (1831–44)].

CD is searching for reliable information on slight variations in the degree of perfection of nests of the same species of birds.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Darwin Fox
Date:
31 Jan [1858]
Source of text:
Christ’s College Library, Cambridge (MS 53 Fox 109)
Summary:

Thanks WDF for information on blackbirds’ nests [see Natural selection, p. 505].

Problem of choosing from among the load of curious facts for chapter on "Instinct" [Natural selection, ch. 10; Origin, ch. 7] perplexes him.

Asks about behaviour of chicks in danger and whether crossed animals are wilder than either parent.

Contributor:
Darwin Correspondence Project