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Darwin, C. R. in correspondent 
Nilsson, Sven in correspondent 
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From:
Charles Robert Darwin
To:
Sven Nilsson
Date:
31 Oct [1868]
Source of text:
Lund University Library Special Collections (Sven Nilsson papers)
Summary:

Thanks SN for the reference about the reindeer, received via Hooker.

CD wishes to ascertain whether there is any relation between the period of development of a character and its transmission to one sex alone.

Contributor:
Darwin Correspondence Project
From:
Sven Nilsson
To:
Charles Robert Darwin
Date:
31 Dec 1868
Source of text:
DAR 86: A41–2
Summary:

On the development of horns in Lapland reindeer. [See Descent 1: 288.]

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Sven Nilsson
Date:
5 Jan 1869
Source of text:
Lund University Library Special Collections (Sven Nilsson papers)
Summary:

Thanks SN for the trouble he has taken for him [on Lapland reindeer horns].

Contributor:
Darwin Correspondence Project