Search: 1880-1889::1881::04::17 in date 
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From:
George John Romanes
To:
Charles Robert Darwin
Date:
17 Apr 1881
Source of text:
E. D. Romanes 1896, p. 112
Summary:

Looks forward to reading CD’s Earthworms.

Agrees that habits of sand-wasp are determined by natural selection.

Experiment of exposing plants to flashing light gives uncertain result.

Contributor:
Darwin Correspondence Project
Text Online
From:
Ferdinand von Mueller
To:
Joseph Hooker
Date:
17 April 1881
Source of text:
RBG Kew, Kew correspondence, Australia, Mueller, 1871-81. f. 301
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project
Text Online
From:
Alfred Russel Wallace
To:
Clement Mansfield Ingleby
Date:
17 April 1881
Source of text:
Folger Shakespeare Library: C.a.26 (37)
Summary:

Discusses spiritualism and his fellowship to The Royal Society.

Contributor:
Alfred Russel Wallace Correspondence Project