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From:
Charles Robert Darwin
To:
Philip Henry Gosse
Date:
7 Apr [1864]
Source of text:
American Philosophical Society (Mss.B.D25.298)
Summary:

Discusses microscopic observation of pollen tubes.

Unable to exchange orchids because of his illness.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
7 Apr [1864]
Source of text:
DAR 115: 228
Summary:

CD apologises for having asked JDH to help him with Scott and now seeks advice on how to break the news.

Contributor:
Darwin Correspondence Project
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Text Online
From:
Michael Faraday
To:
Hermann Helmholtz
Date:
7 April 1864
Source of text:
Berlin-Brandenburgischen Akademie der Wissenschaften, Archiv
Summary:

No summary available.

Contributor:
Faraday Project
From:
Alfred Newton
To:
Charles Robert Darwin
Date:
7 Apr 1864
Source of text:
DAR 172: 42
Summary:

CD need not worry about having discarded the partridge’s foot.

Contributor:
Darwin Correspondence Project
Text Online
From:
Peter Henry Berthon
To:
Michael Faraday
Date:
7 April 1864
Source of text:
LMA CLC/526/MS 30108/3/108
Summary:

No summary available.

Contributor:
Faraday Project
From:
Sir John Herschel
To:
Isaac Todhunter
Date:
[7 April 1864]
Source of text:
RS:HS 24.37
Summary:

Unable to find the calculation of Wilhelm Struve about which IT inquired. Will investigate the matter further.

Contributor:
John Herschel Project
From:
William Francis
To:
John Tyndall
Date:
April 7th/64
Source of text:
Authors' Letters, St Bride Library
Summary:

No summary available.

Contributor:
Tyndall Project