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From:
Charles Robert Darwin
To:
Isidore Geoffroy Saint-Hilaire
Date:
12 Jan [1860]
Source of text:
Archives de l’Académie des sciences, Paris (63 J Fonds Gabriel Bertrand)
Summary:

Very pleased with IGStH’s approval [of Origin]. Will be proud to place IGStH’s Résumé des lecons sur la question de l’espèce (I. Geoffroy Saint-Hilaire 1851) alongside his other works in his library.

Grateful for his offer to look over the difficult passages in Origin for a translator.

Contributor:
Darwin Correspondence Project
From:
Sir Benjamin Collins Brodie [the elder]
To:
Sir John Herschel
Date:
12 January [1860]
Source of text:
RS:HS 4.290
Summary:

Has interpreted the word 'honorary' quite correctly.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Herbert Spencer
Date:
12 January [1860]
Source of text:
RS:HS 16.484 (C: 23.294)
Summary:

[Responding to HS's 1859-12-31,] JH presents additional problems in the nebular hypothesis, critiques in detail HS's views of the distribution of cometary orbits, and argues against HS's theory of sunspot formation.

Contributor:
John Herschel Project