From:
Emilien Frossard Pasteur
To:
Sir John Herschel
Date:
[26 April 1867]
Source of text:
RS:HS 13.237
Summary:
What does JH think of the idea of establishing a meteorological observatory on the Pic du Midi?
Contributor:
John Herschel Project
From:
Thomas Rivers
To:
Charles Robert Darwin
Date:
26 Apr 1867
Source of text:
DAR 176: 170
Summary:
Sends a root of a wild oat-grass from California and the root of a variety of barley that came from it. Several varieties of barley, all differing from English varieties, came up in the same bed of oat-grass. "The transmutation of a genus seems almost incredible" but TR has seen so many changes he has ceased to doubt strongly.
Contributor:
Darwin Correspondence Project
Text Online
From:
Richard Spruce
To:
Alfred Russel Wallace
Date:
26 April 1867
Source of text:
Natural History Museum, London: NHM WP1/3/58
Summary:
Spiritualism; ARW's memoir on Malay migration; inherited deafness in cats; Paris Exposition.
Contributor:
Alfred Russel Wallace Correspondence Project
From:
Alfred Russel Wallace
To:
Charles Robert Darwin
Date:
26 Apr [1867]
Source of text:
DAR 84.1: 32–5
Summary:
Describes his view on colour [of plumage] of males and females – i.e., that absence of brilliant colour in either sex is due to need for protection in incubation, rather than to sexual selection.
Contributor:
Darwin Correspondence Project
Text Online
From:
Alfred Russel Wallace
To:
Charles Robert Darwin
Date:
26 April [1867]
Source of text:
Cambridge University Library: DAR 84.1: 33-5
Summary:
No summary available.
Contributor:
Alfred Russel Wallace Correspondence Project