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From:
John Tyndall
To:
James David Forbes
Date:
17th June 1859
Source of text:
Incoming letters 1859, n0.76., University of St Andrews Special Collections, msdep7
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
Rudolf Clausius
Date:
17th June | 1859
Source of text:
MS JT/1/T/177, RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Charles Lyell, 1st baronet
To:
Thomas Henry Huxley
Date:
17 June 1859
Source of text:
Imperial College of Science, Technology and Medicine Archives (Huxley 6: 20)
Summary:

Extended discussion of their respective difficulties with the definition and status of species and with the extent to which the theory of transmutation may be applied.

Has rediscovered S. S. Haldeman’s 1844 paper defending the transmutation theory with great skill.

Asks for reference to Geoffroy Saint-Hilaire’s first enunciation of the progressive development and transmutation theory.

Contributor:
Darwin Correspondence Project
From:
Scrimgeour, Robert Shedden & John Shedden & Co.
To:
Charles Robert Darwin
Date:
17 June 1859
Source of text:
English Heritage, Down House (CD’s Investment book, pp. 84, 74)
Summary:

Provides requested information about certain railway shares.

Contributor:
Darwin Correspondence Project