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From:
[Osborne?] Turner
To:
Sir John Herschel
Date:
[21 November 1868]
Source of text:
RS:HS 17.450
Summary:

Requests permission to include extract from Prelim. Discourse in The Sixth English Reading Book.

Contributor:
John Herschel Project
From:
Thomas Henry Farrer, 1st baronet and 1st Baron Farrer
To:
Charles Robert Darwin
Date:
21 Nov 1868
Source of text:
DAR 164: 49; Linnean Society of London, MS Case 6B, No. 299
Summary:

Thinks CD’s views of insect agency and crossing might explain structure and variations of papilionaceous flowers. Lists five points. Asks CD’s opinion.

Contributor:
Darwin Correspondence Project
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From:
Ferdinand von Mueller
To:
George Bentham
Date:
21 November 1868
Source of text:
RBG Kew, Kew correspondence, Australia, Mueller, 1858-70, ff. 353-4
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project
From:
George A. MacFarren
To:
Sir John Herschel
Date:
[21 November 1868]
Source of text:
RS:HS 12.14
Summary:

Appreciates JH's beautiful simplification of the numerals in musical arithmetic. Wishes JH would give up the point of the variability of the supertonic and transfer it to the submediant. Agrees with JH over the need for a keyboard instrument possessing a perfect chromatic scale in any particular key.

Contributor:
John Herschel Project