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Meldola, Raphael in correspondent 
1870-1879::1871 in date 
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DCP-LETT-7462

From:
Charles Robert Darwin
To:
Raphael Meldola
Date:
28 Jan [1871]
Source of text:
Oxford University Museum of Natural History (Hope Entomological Collections 1350: Hope/Westwood Archive, Darwin folder)
Summary:

Thanks RM for information on case of hexadactyly [see RM’s paper, "Hexadactylism", Land and Water, 11 March 1871, p. 179.

Contributor:
Darwin Correspondence Project

DCP-LETT-7807

From:
Raphael Meldola
To:
Charles Robert Darwin
Date:
7 June 1871
Source of text:
DAR 171: 116
Summary:

Discusses the origin and advantages of sexual differentiation in terms of division of labour.

Discusses the origin of the giraffe’s neck and the unsoundness of St G. J. Mivart’s view with respect to it.

Points out an error in Descent.

Contributor:
Darwin Correspondence Project

DCP-LETT-7813

From:
Charles Robert Darwin
To:
Raphael Meldola
Date:
9 June [1871]
Source of text:
Oxford University Museum of Natural History (Hope Entomological Collections 1350: Hope/Westwood Archive, Darwin folder)
Summary:

Mentions the difficulties in explaining the separation of sexes and Carl Nägeli’s view that the sexes of plants were primordially distinct.

Has been experimenting for five or six years to demonstrate that the benefits of crossing are the same as those derived from a slight change of conditions.

Contributor:
Darwin Correspondence Project
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