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DCP-LETT-9299

From:
Octavius Pickard-Cambridge
To:
Charles Robert Darwin
Date:
17 Feb 1874
Source of text:
DAR 161: 7
Summary:

Criticises sexual selection theory. Supports natural selection.

Gives CD references on proportion of sexes in spiders.

Contributor:
Darwin Correspondence Project

RS-MM-001467

From:
William Sharpey
To:
James Alderson
Date:
17 February 1874
Source of text:
MM/19/64, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

DCP-LETT-9299A

From:
Charles Robert Darwin
To:
George Edward Shuttleworth
Date:
17 Feb [1874]
Source of text:
Wellcome Collection (MS.5134)
Summary:

At the suggestion of Crichton-Browne CD writes on behalf of his son George, who is making a study of marriages between first cousins and of their offspring to determine the proportion of the latter who may be among the insane, deaf and dumb, idiotic, blind etc. Is GES willing to ask his patients [at the Royal Albert Asylum] for the information relevant to this study?

Contributor:
Darwin Correspondence Project

DCP-LETT-9298

From:
William Bernhard Tegetmeier
To:
Charles Robert Darwin
Date:
17 Feb 1874
Source of text:
DAR 90: 98–9
Summary:

Gives the answers of two of the best dog breeders to CD’s queries.

Contributor:
Darwin Correspondence Project
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