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Darwin, C. R. in correspondent 
Davy, John in correspondent 
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DCP-LETT-1634

From:
John Davy
To:
Charles Robert Darwin
Date:
30 Jan 1855
Source of text:
DAR 205.2: 227
Summary:

Responds to CD’s letter. The ova of Salmonidae exposed to air, if kept moist, will stay alive up to 72 hours.

Contributor:
Darwin Correspondence Project
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DCP-LETT-1651A

From:
John Davy
To:
Charles Robert Darwin
Date:
21 Mar 1855
Source of text:
Philosophical Transactions of the Royal Society 146 (1856): 21–9
Summary:

On the ova of the salmon in relation to the distribution of species.

Contributor:
Darwin Correspondence Project

DCP-LETT-1653

From:
Charles Robert Darwin
To:
John Davy
Date:
25 Mar [1855]
Source of text:
Royal Institution of Great Britain (Box XVII, 210)
Summary:

Will forward JD’s paper to the Royal Society ["On the ova of salmon", Philos. Trans. R. Soc. Lond. 146 (1856): 21–9].

Contributor:
Darwin Correspondence Project

DCP-LETT-1654

From:
Charles Robert Darwin
To:
John Davy
Date:
26 Mar [1855]
Source of text:
Royal Institution of Great Britain (Box XVII, 210)
Summary:

Discusses JD’s paper ["On ova of salmon"]. His experiments are of particular value regarding power of dispersal and geographical distribution and would make of them a very different subject. Hopes JD can test again the tenacity of life of non-developed ova being less than that of those fully developed – a result which surprised CD.

Contributor:
Darwin Correspondence Project

DCP-LETT-1816A

From:
Charles Robert Darwin
To:
John Davy
Date:
3 Jan [1856]
Source of text:
David Schulson (dealer) (Catalogue 61, 1991)
Summary:

Delighted to hear that JD’s research is continuing. CD has heard that JD’s paper will at last be published. He is flattered by the form [as a letter addressed to CD] of communication. [See 1651a and 1819a, published in Phil. Trans. R. S. 146 (1856): 21–9 and Proc. R. S. London 8 (1856–7): 27–33.]

Contributor:
Darwin Correspondence Project

DCP-LETT-1819A

From:
John Davy
To:
Charles Robert Darwin
Date:
10 Jan 1856
Source of text:
Proceedings of the Royal Society of London 8 (1856–7): 27–33
Summary:

On the vitality of the ova of the Salmonidae at different stages of development.

Contributor:
Darwin Correspondence Project
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