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DCP-LETT-5516

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

DCP-LETT-5517

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

DCP-LETT-5518

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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DCP-LETT-5519

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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DCP-LETT-5520

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
Text Online

Faraday4597

From:
Sarah Faraday
To:
Thomas Henry Farrer
Date:
4 April 1867
Source of text:
TNA MT10 / 128, file H721
Summary:

No summary available.

Contributor:
Faraday Project

Herschel10642

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

Herschel10645

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

Herschel10724

From:
H. Temple Humphreys
To:
Sir John Herschel
Date:
[2 April 1867]
Source of text:
RS:HS 10.77
Summary:

Is grateful for his information. Believes he has found a way of overcoming the difficulties. Outlines his scheme for railway axles. Believes it will prove a great boon to the railways.

Contributor:
John Herschel Project

Herschel12380

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

Herschel12906

From:
Sir John Herschel
To:
Charles Pritchard
Date:
[10 April 1867]
Source of text:
TxU:H/L-0319; Reel 1054 (Cdraft: RS:HS 25.15.24)
Summary:

JH is busy correcting first proofs of pages on double stars. Thanks for binding JH's star [allineations?]. CP's suggestion [see CP's 1867-3-27] to JH's son Alexander, to collect and edit William Herschel's papers, entails too much work for one editor. JH dreads thought of such work. Doubts CP's claim that WH observed fixed star in Corona.

Contributor:
John Herschel Project

Herschel13050

From:
Spottiswoode & Co.
To:
Sir John Herschel
Date:
[24 April 1867]
Source of text:
TxU:H/L-0463; Reel 1055
Summary:

Received JH's insertions. Will send proof on Friday.

Contributor:
John Herschel Project

Herschel2433

From:
Edward Sabine
To:
Sir John Herschel
Date:
[14 April 1867]
Source of text:
RS:HS 15.286
Summary:

Glad to have met JH's son [John]. Describes benefits of [R.S.L.] meetings for cultivation of science.

Contributor:
John Herschel Project

Herschel2458

From:
Edward Sabine
To:
Sir John Herschel
Date:
2 April [1867?]
Source of text:
RS:HS 15.312
Summary:

Asks JH to send an actinometer to Kew. It will be forwarded with other meteorological instruments to the Paris Exhibition.

Contributor:
John Herschel Project

Herschel6384

From:
Charles Hay Cameron
To:
Sir John Herschel
Date:
[11 April 1867]
Source of text:
RS:HS 5.149
Summary:

Is grateful for his gift of Familiar Lectures and has read them with delight. Is pleased that J. M. Cameron's photographs have given pleasure.

Contributor:
John Herschel Project

Herschel6400

From:
Julia Margaret Cameron
To:
Sir John Herschel
Date:
10 April [1867]
Source of text:
RS:HS 5.165
Summary:

Has been very busy. His poetry has inspired her to renewed efforts. Health not good.

Contributor:
John Herschel Project

Herschel6401

From:
Julia Margaret Cameron
To:
Sir John Herschel
Date:
20 April [1867]
Source of text:
RS:HS 5.166
Summary:

Has only just received his letter. Feared for the safety of her parcel. Wishes he would write a poem on photography. John Taylor and the Camerons think that JH's poetry is beautiful. Writes in haste to catch the post.

Contributor:
John Herschel Project

Herschel7200

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
1867-4-10 [?]
Source of text:
RS:HS 6.391
Summary:

Has heard a rumor that he is not well. One of his daughters has been recuperating at Hastings. Sends a paradox. Comments on the editing of Isaac Newton's book on Daniel by Benjamin Smith, his nephew. R.S.L. has produced Vol. 1 of the list of scientific papers. Blaise Pascal affair is in a lull.

Contributor:
John Herschel Project

Herschel7201

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[20 April 1867]
Source of text:
RS:HS 6.392
Summary:

Sends a theorem, which beats Blaise Pascal's by points.

Contributor:
John Herschel Project

Herschel7202

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[25 April 1867]
Source of text:
RS:HS 24.193
Summary:

Comments on AD's theorem [see AD's 1867-4-20].

Contributor:
John Herschel Project
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