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From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[20 Feb 1860]
Source of text:
DAR 115: 41
Summary:

Comments on W. H. Harvey’s article on a monstrous Begonia [Gard. Chron. 18 Feb 1860].

Is astonished at being attacked for not allowing great and abrupt variations under nature. More evidence needed to make CD admit that forms have often changed "by saltum".

Contributor:
Darwin Correspondence Project
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From:
Asa Gray
To:
Charles Robert Darwin
Date:
20 Feb 1860
Source of text:
Gray Herbarium of Harvard University (37)
Summary:

Arrangements for the American edition of Origin.

Contributor:
Darwin Correspondence Project
Text Online
From:
Faraday report
To:
Trinity House
Date:
20 February 1860
Source of text:
Parliamentary Papers, 1862 (489) LIV, p.9
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Lyon Playfair
To:
Michael Faraday
Date:
20 February 1860
Source of text:
IET MS SC 2
Summary:

No summary available.

Contributor:
Faraday Project
From:
John Fremlin Streatfield
To:
Sir John Herschel
Date:
[20 February 1860]
Source of text:
Harvard: Houghton AAH 67m-67 (107)
Summary:

Sends his personal scientific journal to JH. Charles Babbage has already given JS much help.

Contributor:
John Herschel Project
From:
Edward Sabbine
To:
John Tyndall
Date:
Undated
Source of text:
p. 378, Glaciers of the Alps
Summary:

No summary available.

Contributor:
Tyndall Project
Text Online
From:
Henry Walter Bates
To:
Philip Henry ("Henry") Gosse
Date:
20 February 1860
Source of text:
Brotherton Library, University of Leeds: Gosse Collection
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project