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HENSLOW-313

From:
J. E. Bowman
To:
J. S. Henslow
Date:
1 March 1841
Source of text:
Cambridge University Library MS Add. 8177: 119
Summary:

Apologises that JSH has not been able to see fossil spike in London, potentially a large Lycopodium, because it cannot be transported due to fragility. Provides a description and drawing of it.

Discusses fossil trees found in his local area and specimens sent to the Geological Society and Robert Brown, together with a paper Bowman has written on them. States that he has found proof of the solid and subsequently hollowed state of the trees from corresponding bands of soft shale. Provides JSH with a brief description and says full details will be given when whole paper is published. States that they give decisive proof of growth where they were found, that they have overturned the scepticism of geologists including John Phillips and Louis Agassiz, and that a miniature model is being made of them.

Discusses illustrations of the internal structure of Sigillaria by Alexandre Brongniart and his wish to see them when published. Also discusses previous drawings of Sigillaria with leaves by Brongniart and W. Conway. Passes on message from Conway for Fossil Flora to send someone to do drawings of Bristol fossil collection.

Contributor:
Henslow Correspondence Project
Text Online

Faraday1343b

From:
Carlo Matteucci
To:
Michael Faraday
Date:
26 March 1841
Source of text:
Bianchi (1874), 91
Summary:

No summary available.

Contributor:
Faraday Project

Herschel3844

From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[31 March 1841]
Source of text:
unknown
Summary:

Lists those who visited CH on her birthday.

Contributor:
John Herschel Project

DCP-LETT-591

From:
Charles Robert Darwin
To:
Miles Joseph Berkeley
Date:
[Mar 1841]
Source of text:
Shropshire Archives (SA 6001/134/47)
Summary:

Looks forward to the paper on CD’s edible fungus specimen from Tierra del Fuego [read 16 Mar 1841; Trans. Linn. Soc. Lond. 19 (1845): 37–43].

Sends a correction: Fagus betuloides, not F. antarctica, is the common tree of Tierra del Fuego.

Contributor:
Darwin Correspondence Project

DCP-LETT-592

From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
[Mar 1841]
Source of text:
American Philosophical Society (Mss.B.D25.27)
Summary:

Discusses the role of ice in determining the geological features of the Jura. Mentions view of Agassiz. Objects to idea of "a [sea of ice] carrying rocks". Notes Agassiz’s earlier view of "ice expanded in the line of the Great Swiss Valley". Comments on Pentlands.

Contributor:
Darwin Correspondence Project

DCP-LETT-593

From:
Charles Robert Darwin
To:
Jean Louis Rodolphe (Louis) Agassiz
Date:
1 Mar [1841]
Source of text:
Houghton Library, Harvard University (MS Am 1419: 280)
Summary:

Has enjoyed reading LA’s book [Études sur les glaciers (1840)].

Hopes LA will pardon manner in which CD has alluded to his work on glaciers in his Journal of researches, of which he sends a copy.

Contributor:
Darwin Correspondence Project

DCP-LETT-594

From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
[9 Mar 1841]
Source of text:
American Philosophical Society (Mss.B.D25.23)
Summary:

Defends his theory [in "Parallel roads of Glen Roy" (1839), Collected papers 1: 87–137] against the view that the "roads" were formed by glacial action.

Contributor:
Darwin Correspondence Project

DCP-LETT-595

From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
[12 Mar 1841]
Source of text:
American Philosophical Society (Mss.B.D25.25)
Summary:

Discusses at length Louis Agassiz’s book [Études sur les glaciers (1840)] and Agassiz’s explanation of moraines. Defends his own theory of the importance of floating ice. Relates glacier theory to his own interpretation of Glen Roy.

Mentions a paper he is writing on South American boulders and till [Collected papers 1: 145–63].

Contributor:
Darwin Correspondence Project

DCP-LETT-595A

From:
Charles Robert Darwin
To:
Alexander Young Spearman, 1st baronet
Date:
27 Mar 1841
Source of text:
The National Archives (TNA) (T1/4585 paper 10688)
Summary:

The Smith, Elder & Co. account for the now published fifth number of the third part of the Zoology is presented.

Contributor:
Darwin Correspondence Project

Herschel2471

From:
Edward Sabine
To:
Sir John Herschel
Date:
3 March [1841?]
Source of text:
RS:HS 15.325
Summary:

Sends JH some actinometer observations and a letter from G. B. Airy to forward to Humphrey Lloyd. Also some observations of shooting stars made by [James] Farquharson.

Contributor:
John Herschel Project

Herschel2845

From:
Edward Sabine
To:
Sir John Herschel
Date:
[4 March 1841]
Source of text:
RS:HS 15.125
Summary:

Congratulates JH on his latest child. Notes that data from James Ross show great disturbances at the Kerguelen station simultaneously with Toronto and Greenwich. Has sent various data to C. F. Gauss. Wilhelm Weber reports a new magnetic station at Havana recording by the British system. Notes Ross's dip data supports Gauss's theoretical expectations.

Contributor:
John Herschel Project

Herschel2447

From:
Edward Sabine
To:
Sir John Herschel
Date:
8 March [1841]
Source of text:
RS:HS 15.301
Summary:

Thinks enclosed letter should be appended to [James] Farquharson's report on aurora. Wants to bring magnetometer to Alford. Hopes JH has [Humphrey] Lloyd's article regarding instruments.

Contributor:
John Herschel Project

Herschel2863

From:
Edward Sabine
To:
Sir John Herschel
Date:
[11 March 1841]
Source of text:
RS:HS 15.143
Summary:

Discusses plans for publishing magnetic storm data. Mentions transportable magnetic instruments and their use for a travelling observatory on an expedition to the Falkland Islands.

Contributor:
John Herschel Project

Herschel2846

From:
Edward Sabine
To:
Sir John Herschel
Date:
[18 March 1841]
Source of text:
RS:HS 15.126
Summary:

Norwegian government plans to support a magnetic observatory. Discusses details concerning R.S.L. logistical support and sources for instruments and training. Encloses Wilhelm Weber's letter concerning the instruments. Notes Charles Riddell's return and Lieutenant Younghusband's continued good work.

Contributor:
John Herschel Project

Herschel2448

From:
Edward Sabine
To:
Sir John Herschel
Date:
22 March [1841]
Source of text:
RS:HS 15.302
Summary:

Discusses proposed temperature experiments involving balloons. Prince Edward Island would be good observatory but funds are lacking. [C. F.] Gauss's article translated for Scientific Memoirs.

Contributor:
John Herschel Project

Herschel10794

From:
Eliza Mary Hamilton
To:
Sir John Herschel
Date:
[9 March 1841]
Source of text:
RS:HS 10.148
Summary:

Her brother has sent JH's letter and she will be only too pleased to send her poems for whatever purpose he requires them.

Contributor:
John Herschel Project

Herschel13827

From:
F. M. Eardley-Wilmot
To:
Sir John Herschel
Date:
[7 March 1841]
Source of text:
TxU:H/M-0174; Reel 1087
Summary:

Magnetic observatory is still not operational one year after FW's arrival. Thomas Maclear is now in 'Zwartsland' [Zwartkops?]. FW shares quarters with C. P. Smyth and William Mann. Hopes to begin observations next week at Cape Town and Simon's Bay; G. G. Lewis will make observations at Grahamstown. Problems with meteorological instruments. Proposes magnetic survey of entire colony. [JH annotation: Enquire what FW meant about measurement conversions, malfunctioning needle, and broken tube in 19 Feb. 1841 letter to Humphrey Lloyd.]

Contributor:
John Herschel Project

Herschel4704

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[20 March 1841]
Source of text:
RS:HS 1.93 (C: RGO 6.340.313)
Summary:

Sending draft of report and appendix. Specimen of a gauging scale.

Contributor:
John Herschel Project

Herschel1737

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[25 March 1841]
Source of text:
TxU:H/M-0627.6
Summary:

A note to accompany additions, comments, and emendations relating to the report of the Standards Commission.

Contributor:
John Herschel Project

RS-MM-000006

From:
Luke Howard
To:
unknown
Date:
26 March 1841
Source of text:
MM/1/6, Royal Society
Summary:

No summary available.

Contributor:
Royal Society
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