Search: 1860-1869::1868::10::21 in date 
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From:
Annibale de Gasparis
To:
Mary Somerville
Date:
21 Oct 1868
Source of text:
MSG 1 / 2??, Dep. c. 370, Bod, MS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse
From:
Charles Robert Darwin
To:
William Darwin Fox
Date:
21 Oct [1868]
Source of text:
Christ’s College Library, Cambridge (MS 53 Fox 149); DAR 266
Summary:

Reminds WDF to write about the "great magpie marriage". Sexual selection an "everlasting subject".

News of his children.

Asks for information on instances of sexual preference in animals and data on numbers of males and females born in various domesticated species.

Contributor:
Darwin Correspondence Project
From:
William H. Callcott
To:
Sir John Herschel
Date:
[21 October 1868]
Source of text:
RS:HS 5.144
Summary:

Is grateful for his article on musical scales. Queries regarding musical sounds. Has had to leave his old abode due to building operations.

Contributor:
John Herschel Project