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From:
Charles Boner
To:
Charles Robert Darwin
Date:
[Dec 1869 – early Jan 1870]
Source of text:
DAR 160: 237
Summary:

In answer to CD’s queries, relates further details about feral sheep: they are sterile when wild, but can become tame again.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Johann Friedrich Theodor (Fritz) Müller
Date:
1 Dec [1869]
Source of text:
The British Library (Loan MS 10 no 31)
Summary:

Role of humming-birds in plant fertilisation.

Alexander Agassiz has visited Down.

Sales of Facts and arguments for Darwin.

Encloses copy of T. H. Farrer letter [7015] and observations on the self-sterility of Eschscholzia.

Contributor:
Darwin Correspondence Project