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DCP-LETT-5527

From:
Charles Robert Darwin
To:
Karl Ludwig (Ludwig) Rütimeyer
Date:
4 May [1867]
Source of text:
Universitätsbibliothek Basel, Handschriften (G IV 91, 4)
Summary:

Thanks LR for sending his works.

Correcting proofs of Variation.

Chapter on pigs and cattle derived mostly from LR’s work.

Contributor:
Darwin Correspondence Project

Herschel10643

From:
Frederick Howlett
To:
Sir John Herschel
Date:
[4 May 1867]
Source of text:
RS:HS 10.20
Summary:

Is uncertain if he has detected the lightlines on the solar surface to which JH has called attention, but there does seem to be something unusual there. No sun spots are visible just now.

Contributor:
John Herschel Project

Herschel8418

From:
Sir John Herschel
To:
Rudolf Wolf
Date:
[4 May 1867]
Source of text:
RS:HS 24.196
Summary:

Thanks RW for sending him a photograph of RW; sends photograph of JH in return.

Contributor:
John Herschel Project
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