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From:
Charles Robert Darwin
To:
Henry Walter Bates
Date:
4 Apr [1861]
Source of text:
Cleveland Health Sciences Library (Robert M. Stecher collection)
Summary:

CD urges HWB to write on his travels;

asks for facts on domestic variations;

is pleased by HWB’s acceptance of the theory of sexual selection.

He still believes in migration from north to south during glacial age.

Hopes Bates will publish a paper on mimicry.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Daniel Oliver
Date:
4 Apr [1861]
Source of text:
DAR 261.10: 29 (EH 88206012)
Summary:

Primula sibirica seems to be the only non-dimorphic species. Has made over one hundred Primula crosses.

Regrets Henslow’s illness.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
4 Apr [1861]
Source of text:
DAR 115: 95
Summary:

Affectionate regards to Henslow.

Contributor:
Darwin Correspondence Project
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From:
John Tyndall
To:
Arthur-Auguste de la Rive
Date:
4th April 1861
Source of text:
MS JT/1/T/1498; MS JT/1/TYP/1/362, RI
Summary:

No summary available.

Contributor:
Tyndall Project
Text Online
From:
Augustus Tulk
To:
Ferdinand von Mueller
Date:
4 April 1861
Source of text:
No. 145, unit 2, p. 68, VPRS 4366 outward letter books of registered correspondence, VA 912 Trustees of the Public Library, Museums and National Gallery, Public Record Office, Victoria
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project