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From:
John Welsh
To:
Sir John Herschel
Date:
[1 May 1857]
Source of text:
RS:HS 18.141
Summary:

Cannot answer JH's question about electricity in heavy showers. Observations were discontinued years ago. Refers to Francis Ronalds's past experiments. Cites 1849 B.A.A.S. Rep. for map of storm observations. Notes changes in polarity of electricity during storms.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Alfred Russel Wallace
Date:
1 May 1857
Source of text:
The British Library (Add MS 46434)
Summary:

Reports long preparation of work on how species and varieties differ. Agreement with Wallace’s conclusions as reported in Annals and Magazine of Natural History and in his letter to CD of 10 0ct [1856]. On distinction between domestic varieties and those in "a state of nature".

On mating of jaguars and leopards, the breeding of poultry, pigeons, etc.

Requests help for his experimenting on means of distribution of organic beings on oceanic islands.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[2 May 1857]
Source of text:
DAR 114: 195
Summary:

JDH has shaved the hair off the alpine plant.

CD apologises for his criticism.

Apparent but false relations of plant structure to climate: heath-like foliage of all Cape of Good Hope plants.

Contributor:
Darwin Correspondence Project
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From:
James Prescott Joule
To:
John Tyndall
Date:
May 2/57
Source of text:
MS JT/1/J/137; MS JT/1/TYP/2/661, RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
George Biddell Airy
Date:
Saturday | 1857 May 2
Source of text:
MS.RGO 6/471.168, RGO
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[3 May 1857]
Source of text:
DAR 114: 196
Summary:

JDH’s last letter demolishes woolly alpine plant theory.

Correlation of apetalous flowers and cold climate.

Contributor:
Darwin Correspondence Project
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From:
Thomas Archer Hirst
To:
John Tyndall
Date:
May 23rd 1857
Source of text:
MS JT/1/H/232; MS JT/1/HTYP/491-2, RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
George Biddell Airy
To:
John Tyndall
Date:
1857 May 4
Source of text:
MS.RGO 6/471.169, RGO
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Henry Matthew Witt
To:
John Tyndall
Date:
May 4, 1857.
Source of text:
13 (1857), pp. 467-8, Phil. Mag.
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Sir John Herschel
To:
William Whewell
Date:
[5 May 1857]
Source of text:
TC, Camb. Add. Ms.a.20793
Summary:

Invites WW to Collingwood, informing him of other visitors coming and new rail schedule.

Contributor:
John Herschel Project
From:
Josiah Latimer Clark
To:
John Tyndall
Date:
6th. May 1857
Source of text:
MS JT/1/TYP/1/222, RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[6 May 1857]
Source of text:
RS:HS 23.198
Summary:

Thanks for engravings of Saturn and Jupiter; would like to see an astronomical picture book produced.

Contributor:
John Herschel Project
From:
Henry Clifton Sorby
To:
John Tyndall
Date:
May 7/57.
Source of text:
MS JT/1/TYP/4/1352, RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
George Biddell Airy
Date:
Thursday | 1857 May 7
Source of text:
MS.RGO 6/471.170, RGO
Summary:

No summary available.

Contributor:
Tyndall Project
From:
George Biddell Airy
To:
John Tyndall
Date:
1857 May 8
Source of text:
MS.RGO 6/471.171; MS JT/1/TYP/1/21, RGO; RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Thomas Spring-Rice
To:
Sir John Herschel
Date:
[8 May 1857]
Source of text:
TxU:H/M-0378; Reel 1087
Summary:

Encloses report by Lord Overstone [S. J. Loyd, on decimal coinage]. Will answer JH's note tomorrow.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Asa Gray
Date:
9 May [1857]
Source of text:
Archives of the Gray Herbarium, Harvard University (9)
Summary:

Thanks for new part of "Statistics".

Interested in disjoined species; do they tend to belong to large or small genera, and are they generally members of small families?

Is glad AG will tackle introduced plants; has noticed that the proportion of a particular family to the whole flora tends to be similar in introduced and indigenous plants.

Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
George Biddell Airy
Date:
Saturday. | 1857 May 9
Source of text:
MS.RGO 6/471.172, RGO
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Thomas Spring-Rice
To:
Sir John Herschel
Date:
[9 May 1857]
Source of text:
TxU:H/M-0379; Reel 1087
Summary:

Just now received 'blue book' on decimal coinage from printer. Forwards it to JH. Apologizes for putting this burden on JH, but TS wants to be fully aware of all issues relating to decimal coinage. Answers JH's questions about report.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[11 May 1857]
Source of text:
RS:HS 6.139
Summary:

Is pleased that JH approves of his drawings of the planets. Hopes to publish some drawings of the other planets in the future. Has moved his observatory but hopes soon to start observations. Unable to comment on Otto Struve's observations.

Contributor:
John Herschel Project