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From:
Asa Gray
To:
Charles Robert Darwin
Date:
[Aug 1857]
Source of text:
DAR 165: 100, 101
Summary:

States he has "misgivings about the definiteness of species". Believes there is some inherent tendency for plants to originate varieties. Cross-fertilisation is likely in most cases but sees difficulties with plants like Adlumia.

Contributor:
Darwin Correspondence Project
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Text Online
From:
Thomas Bell
To:
J. S. Henslow
Date:
1 August 1857
Source of text:
Cambridge University Library MS Add. 8177: 20
Summary:

Makes arrangements for JSH to stay with him in London and for possible meeting with Hooker.

Contributor:
Henslow Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
1 Aug [1857]
Source of text:
DAR 114: 206, 207
Summary:

Important issue at stake with new flora calculations: evidence that species are only strongly marked varieties. Planning large-scale survey.

Contributor:
Darwin Correspondence Project
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From:
Henrietta Emma Darwin; Henrietta Emma Litchfield
To:
Charles Robert Darwin
Date:
[2 Aug 1857]
Source of text:
DAR 245: 1
Summary:

Is looking forward to returning home [from Moor Park hydropathic establishment]. News of other patients and the books she is reading. Although feeling well, cannot walk much.

Contributor:
Darwin Correspondence Project
Text Online
From:
Leonard Jenyns
To:
J. S. Henslow
Date:
4 August 1857
Source of text:
Cambridge University Library MS Add. 8177: 191
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
Text Online
From:
Thomas Longman
To:
J. S. Henslow
Date:
4 August 1857
Source of text:
Cambridge University Library MS Add. 8177: 215
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Charles Robert Darwin
To:
John Stevens Henslow
Date:
10 Aug [1857]
Source of text:
DAR 93: A122
Summary:

Delighted that JSH is coming to Down. Sends correct train time.

Contributor:
Darwin Correspondence Project
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Text Online
From:
Thomas Longman
To:
J. S. Henslow
Date:
11 August 1857
Source of text:
Cambridge University Library MS Add. 8177: 216
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Charles Robert Darwin
To:
John Lubbock, 4th baronet and 1st Baron Avebury
Date:
11 Aug [1857]
Source of text:
DAR 263: 21 (EH 88206470)
Summary:

Asks JL not to call as he has a "very old friend" [J. S. Henslow] coming to visit him.

Yesterday visited poultry show at Crystal Palace.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Lubbock, 4th baronet and 1st Baron Avebury
Date:
12 [Aug 1857]
Source of text:
DAR 263: 19 (EH 88206468)
Summary:

Invites JL to dine and meet J. S. Henslow.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
22 Aug [1857]
Source of text:
DAR 114: 208
Summary:

Tabulation of varieties goes on; very important as it shows the branching of forms. Mentions his principle of divergence.

Contributor:
Darwin Correspondence Project
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