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Herschel7864

From:
Henry Warburton
To:
Sir John Herschel
Date:
[25 August 1854]
Source of text:
RS:HS 18.68
Summary:

Further discussion of need for two constants [see HW's 1854-[5]-11]. Sends first installment of errata HW found in JH's [Examples of Finite Differences (1820)]. Realizes JH's duties [at Mint] afford little time to publish new edition. Suggests printing only errata list to first edition.

Contributor:
John Herschel Project

DCP-LETT-1581

From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
25 Aug 1854
Source of text:
DAR 205.9: 384
Summary:

JDH and F. W. Binney identify Calamites specimens as pith casts. They are cryptogams related to, but higher than, Lycopodiaceae and contradict progression.

Insects found in coal.

Lyell says Stonesfield slate marsupials are actually placentals.

JDH reading Alexander Braun on individuality ["Das Individuum der Pflanze in seinem Verhältniss zur Species", Abh. K. Akad. Wiss. Berlin (Phys. Kl.) (1853): 19–122].

Contributor:
Darwin Correspondence Project
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Faraday2886

From:
Jacob Herbert
To:
Michael Faraday
Date:
25 August 1854
Source of text:
GL MS 30108/2/65
Summary:

No summary available.

Contributor:
Faraday Project

Tyndall0964

From:
John Tyndall
To:
Thomas Archer Hirst
Date:
Friday Afternoon
Source of text:
MS JT/1/HTYP/359, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel13475

From:
Sir John Herschel
To:
[Charles Edward Trevelyan]
Date:
[25 August 1854]
Source of text:
TxU:H/L-0710; Reel 1089
Summary:

Submits design for Australian sovereign and half-sovereign for approval by Queen Victoria. Requests permission to begin producing these coins as soon as Sydney mint is operational.

Contributor:
John Herschel Project
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