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Hooker, J. D. in author 
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DCP-LETT-1983

From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
9 Nov 1856
Source of text:
DAR 100: 105–10
Summary:

JDH approves MS section on geographical distribution.

Never felt so shaky about species before.

His objections to some mechanisms of distribution that CD proposes.

Contributor:
Darwin Correspondence Project
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JHC1171

From:
Sir Joseph Dalton Hooker
To:
Professor Charles Cardale Babington
Date:
15 November 1856
Source of text:
JDH/2/3/1 f.135, The Royal Botanic Gardens, Kew
Summary:

No summary available.

Contributor:
Hooker Project

DCP-LETT-1622

From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
[16 Nov 1856]
Source of text:
DAR 100: 162–3
Summary:

JDH not happy with CD’s explanation of the absence of north temperate forms in the Southern Hemisphere, given his explanation for the spread of sub-arctic forms to the south. [CD’s note is in response to JDH’s criticism.]

Contributor:
Darwin Correspondence Project
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DCP-LETT-1995

From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
22 Nov 1856
Source of text:
DAR 100: 111–12
Summary:

Continued debate on formation of species as a result of retreat from glaciers.

JDH suggests internal powers of species modification, which he knows CD abhors.

Contributor:
Darwin Correspondence Project
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