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From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
4 Dec [1849]
Source of text:
American Philosophical Society (Mss.B.D25.85)
Summary:

Discusses J. D. Dana’s Geology [1849]. Pleased that the part on corals confirms his views [Coral reefs (1842)]. Discusses Dana’s observation that in Sandwich Islands lava streams often join dikes at right angles with no cone. Retracts earlier denial of this possibility. Criticises Dana’s view of Australian valleys.

Contributor:
Darwin Correspondence Project
Text Online
From:
Julius Plücker
To:
Michael Faraday
Date:
4 December 1849
Source of text:
IEE MS SC 2
Summary:

No summary available.

Contributor:
Faraday Project
From:
Heinrich Christian Schumacher
To:
Sir John Herschel
Date:
[4 December 1849]
Source of text:
RS:HS 15.404
Summary:

Sends account of rainbow-like atmospheric phenomena; asks JH for an explanation. Remarks on American empirical discoveries. Too many hypotheses being put forward, including [Daniel] Kirkwood's. Comments on [B. A.] Gould and [Stephen] Alexander. Americans think they are absolute judges in scientific matters. Astronomische Nachrichten of 3 November contains improved method for computing planetary orbits.

Contributor:
John Herschel Project
From:
Sir Joseph Dalton Hooker
To:
Sir William Jackson Hooker
Date:
4 December 1849
Source of text:
JDH/1/10 f.226-227, The Royal Botanic Gardens, Kew
Summary:

JDH & Brian [Houghton Hodgson] [BHH] have both written to WJH about his situation. He explains the reason for [Archibald's] Campbell’s [AC] imprisonment: the Tartars & Bhothias believed that by capturing an authority they can bend him to their will. When this did not work, they invented offences in order to hold AC, but the Government have now intervened. The accusations are now of trespassing on the Thibet [Tibet] frontier. JDH & AC went there with the assent of the Chinese Lepchas & the Lachen Peppin who is the Sikkim authority. JDH’s Sirdars are in chains & his party disbanded, only Hopenar[?] remains. He discusses his seed collections & botanical matters, including Balanophora polyandra. The Nepal Terai is impassable until 15 Nov due to malaria & JDH will not travel to Calcutta [Kolkata] or Bombay [Mumbai] any earlier. [Nathaniel] Wallich will verify this. Lord Dalhousie will assist JDH & [Thomas] Thomson [TT] in applying to the Nepal Durbar. BHH is looking out for TT who has not yet arrived. JDH is glad Lindley liked his letter & thinks Klotzsch will make a mess of the collections of Prince Vladmier [Vladimir?]. With Wallich, Don & Hamilton working at cross-purposes, the whole Himalayan Flora is in the hands of JDH & TT. It can only be elucidated with Bogden & Wallich’s herbaria. JDH is sorry to hear of the Bishop of Norwich’s death & suggests Owen, if Brown will not take the position. Lord Derby was useless in the role. Bentham will offer sound advice. JDH discusses the wisdom of the Geological & Geographical Society in selecting men such as Hamilton, Lyle & Murchison.

Contributor:
Hooker Project