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1860-1869::1867::12::31 in date 
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From:
Albrecht Carl Ludwig Gotthilf (Albert) Günther
To:
Charles Robert Darwin
Date:
[late Dec 1867 or early Jan 1868]
Source of text:
DAR 82: B75
Summary:

The Cyprinodontidae family of fishes exhibits sexual differences as remarkable as any in reptiles or birds [Descent 2: 7, 9–10].

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
John Murray
Date:
31 Dec [1867]
Source of text:
National Library of Scotland (John Murray Archive) (Ms.42153 ff. 64–65)
Summary:

Introduces Clair Grece who wishes to translate a work on English grammar from the German.

Contributor:
Darwin Correspondence Project
From:
Roland Trimen
To:
Charles Robert Darwin
Date:
31 Dec 1867
Source of text:
DAR 82: A30–1
Summary:

On ocelli.

Sexual differences and proportion of sexes in butterflies.

Coleoptera.

[See Descent 1: 310; 2: 132.]

Contributor:
Darwin Correspondence Project
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