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DCP-LETT-723

From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
[12 Dec 1843 – 11 Jan 1844]
Source of text:
DAR 104: 206–7
Summary:

Henslow has sent him CD’s Galapagos plants along with Macrae’s. JDH impressed by the island endemism, which "overturns all our preconceived notions" on centres of radiation. Describes the extent, and the sharp demarcation at longitude 60° W, of the American and European Northern Hemisphere floras. CD’s plants among those he is using to do Antarctic flora. Drimys winteri shows a graded series of states down the length of the South American continent.

Contributor:
Darwin Correspondence Project
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DCP-LETT-722

From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[12 Dec 1843]
Source of text:
DAR 114: 2
Summary:

Thanks JDH for short sketch of botanical geography of Southern Hemisphere. Comments on his own S. American collections and observations; notes other Galapagos collections.

Contributor:
Darwin Correspondence Project
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Herschel10753

From:
Robert Hunt
To:
Sir John Herschel
Date:
[12 December 1843]
Source of text:
RS:HS 10.105
Summary:

Would like his views on a name for the combination of hydrogen and chlorine. Comments on the various theories. Has replied to [L. F.] Moser.

Contributor:
John Herschel Project

Herschel3865

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[12 December 1843]
Source of text:
unknown
Summary:

Jokes about WH's recent 'astronomical insignificance.'

Contributor:
John Herschel Project
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