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From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
18 Oct [1873]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-26)
Summary:

Suggests experiments on artificial digestion.

Contributor:
Darwin Correspondence Project
From:
Virginius Dabney
To:
Charles Robert Darwin
Date:
18 Oct 1873
Source of text:
DAR 162: 1
Summary:

Feeding habits of the tobacco worm; it eats only five plants, all very different, but of same botanical family.

Contributor:
Darwin Correspondence Project
Text Online
From:
Ferdinand von Mueller
To:
James Agnew
Date:
18 October 1873
Source of text:
RSA/B.13(3), Royal Society of Tasmania Archives, Hobart
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project
From:
Charles Robert Darwin
To:
Edward Frankland
Date:
18 Oct [1873]
Source of text:
The John Rylands Library, The University of Manchester
Summary:

Apologises for his ignorance in interpreting the results secured in his testing with blue litmus paper.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
18 Oct [1873]
Source of text:
Royal Botanic Gardens, Kew (JDH/3/6 Insectivorous plants 1873–8 f.3a)
Summary:

Hopes to get another species of Desmodium from Mr Rollisson.

Contributor:
Darwin Correspondence Project