Search: 1850-1859::1857::08::01 in date 
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Text Online
From:
Ferdinand von Mueller
To:
Friedrich Krichauff
Date:
August 1857
Source of text:
Private hands
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project
Text Online
From:
Ferdinand von Mueller
To:
William Hooker
Date:
August 1857
Source of text:
RBG Kew, Directors' letters, vol. LXXIV, Australia letters 1851-8, letter no. 140
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project
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
Text Online
From:
Ferdinand von Mueller
To:
Frederick McCoy
Date:
1 August 1857
Source of text:
Archive box 00325, Melbourne Museum, Melbourne
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller 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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Text Online
From:
Alfred Russel Wallace
To:
Henry Norton Shaw
Date:
August 1857
Source of text:
Royal Geographical Society: RGS Corr. Block CB4 1851-60 ALFRED RUSSEL WALLACE
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project