Text Online
From:
Darwin, G. H.
To:
Darwin, Emma
Date:
[late March 1868]
Source of text:
DAR 210.2: 4
Summary:
No summary available.
Contributor:
Darwin Family Letters
Text Online
From:
Darwin, Emma
To:
Darwin, H. E.
Date:
[spring 1868]
Source of text:
DAR 219.9: 57
Summary:
No summary available.
Contributor:
Darwin Family Letters
From:
Alfred Russel Wallace
To:
Charles Robert Darwin
Date:
1 Mar 1868
Source of text:
DAR 106: B49–50, B53–5
Summary:
Offers enclosure demonstrating that natural selection could produce sterility of hybrids.
More on Pangenesis and the inadequacy of H. Spencer’s approach.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Henry Doubleday
Date:
1 Mar [1868]
Source of text:
George W. Platzman (private collection)
Summary:
Has been interested in copy of HD’s letter to H. T. Stainton on numerical proportions of the sexes of insects. Do they vary during different years?
Does he have opinions about the courtships of butterflies?
Will send a copy of his paper on Primula when it is published. [See 5997.]
Contributor:
Darwin Correspondence Project
From:
Sir John Herschel
To:
Elizabeth Colling
Date:
[1 March 1868]
Source of text:
RS:HS 24.213
Summary:
Comments on the death of a number of friends, his own poor health, and how he spent the winter working through his double-star observations.
Contributor:
John Herschel Project
Text Online
From:
Ernst Heyne
To:
Messrs Baptist & Sons
Date:
March 1868
Source of text:
ML MSS Let 162/17, item 14, Mitchell Library, Sydney
Summary:
No summary available.
Contributor:
Correspondence of Ferdinand von Mueller Project
Text Online
From:
Alfred Russel Wallace
To:
Charles Robert Darwin
Date:
1 March 1868
Source of text:
- Cambridge University Library: DAR 106: B49-50
- Cambridge University Library: DAR 106: B53-56
- British Library, The: BL Add. 46434 ff. 112-113
- Wallace Family Collection (private collection)
- Marchant, J. (Ed.). (1916). In: Alfred Russel Wallace; Letters and Reminiscences. Vol. 1. London & New York: Cassell & Co. [pp. 199-200]
Summary:
No summary available.
Contributor:
Alfred Russel Wallace Correspondence Project