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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
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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
From:
Frederick Howlett
To:
Sir John Herschel
Date:
[27 April 1867]
Source of text:
RS:HS 10.21
Summary:

Regrets he was out when JH called. Thanks for the elegant verses. Will be moving shortly to a place nearer London, which promises much. Gives notes on some more sun spots, which he has recently observed.

Contributor:
John Herschel Project
Text Online
From:
Frederick Smith
To:
Alfred Russel Wallace
Date:
27 April 1867
Source of text:
British Library, The: BL Add. 46435 ff. 35-36
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project
Text Online
From:
Ferdinand von Mueller
To:
Joseph Hooker
Date:
28 April 1867
Source of text:
RBG Kew, Kew correspondence, Australia, Mueller, 1858-70, f. 267
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project
Text Online
From:
the Naturshistorischen Gesellschaft zu Hannover
To:
Ferdinand von Mueller
Date:
28 April 1867
Source of text:
RB MSS M199, box 5, Library, Royal Botanic Gardens Melbourne
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project
From:
Charles Loring Brace
To:
Charles Robert Darwin
Date:
29 Apr 1867
Source of text:
DAR 160: 272
Summary:

Letter of introduction to CD for CLB’s friend Robert S. Rowley.

Contributor:
Darwin Correspondence Project
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Text Online
From:
Charles Robert Darwin
To:
Alfred Russel Wallace
Date:
29 April [1867]
Source of text:
  • British Library, The: BL Add. 46434 ff. 84-86 and BL Add. 46434 ff. 87-88
  • Marchant, J. (Ed.). (1916). In: Alfred Russel Wallace; Letters and Reminiscences. Vol. 1. London & New York: Cassell & Co. [pp. 183-185]
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project
From:
Sir John Herschel
To:
Frederick Howlett
Date:
[29 April 1867]
Source of text:
RS:HS 10.18 & 24.194
Summary:

Would like FH to study a phenomenon that JH has noticed on the sun's disk and that has no connections with sun-spots.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[29 April 1867]
Source of text:
JHS 4.14
Summary:

About traveling to Halton; JH is finding working on his double star catalogue fairly severe drudgery.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Alfred Russel Wallace
Date:
29 Apr [1867]
Source of text:
The British Library (Add 46434, f. 84)
Summary:

Comments on ARW’s view of colouring in relation to sexual selection and protection. It is not new to CD. Hopes to discuss subject fully in his "Essay on Man" [Descent]. As to the problem of brightly coloured females, CD is not satisfied that it is due to males taking over incubation. Admires "value and beauty" of ARW’s generalisations.

Contributor:
Darwin Correspondence Project
Text Online
From:
Alfred Russel Wallace
To:
Alfred Newton
Date:
29 April 1867
Source of text:
Cambridge University Library: Add. 9839/1W/83
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project
Text Online
From:
Ferdinand von Mueller
To:
Clement Hodgkinson
Date:
30 April 1867
Source of text:
O67/5002, unit 750, VPRS 44/P inwards registered and unregistered correspondence, VA 538 Department of Crown Lands and Survey, Public Record Office, Victoria
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project
From:
Charles Robert Darwin
To:
Charles Kingsley
Date:
30 Apr [1867]
Source of text:
B. C. Guild (private collection)
Summary:

Regrets that he is too busy getting his book [Variation] ready for publication to contribute an article to Fraser’s Magazine.

Contributor:
Darwin Correspondence Project
From:
Peter Skene Robertson
To:
Charles Robert Darwin
Date:
30 Apr 1867
Source of text:
DAR 76: B49–51
Summary:

Describes his attempts to cross different varieties of borecole, and the results of the crosses.

Contributor:
Darwin Correspondence Project
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