Showing 1–20 of 113 items
Has been unwell.
Thanks TCE for his descriptions [of specimens for Birds]. Has already expended a high proportion of Government grant on birds, but if TCE thinks engravings are needed, he shall have them. He may keep the bones.
CD has become a father.
CD regrets inconvenience caused by his having Royal Geographical Society’s copy of Krusenstern’s Atlas [de l’océan Pacifique (1824–7)]. Locates Sulphur Island from it.
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Sends MS [of Coral reefs?] to be copied.
Remarks on his illness and treatment.
Discusses MS [of Coral reefs] and changes in his view of coral reefs since Journal of researches. Mentions C. G. Ehrenberg’s observations on coral reefs.
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Writes to find whether the date of the event [JMH’s marriage?] has been fixed.
Has been unwell and does not yet feel up to work.
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Sends his paper on earthquakes [(1840), Collected papers 1: 53–86]. Now sets less value on theoretical reasoning in geology than when he wrote it.
Answers a number of queries from Lyell concerning geography and geology of Chiloé Island and its relationship to the Cordilleras.
Asks about "perched rocks" on Jura and notes their relevance to Louis Agassiz’s theory. Discusses Agassiz’s view on Jura.
Mentions seeing Robert Brown.
Notes R. I. Murchison’s discovery of shells in central England.
Weakness of negative evidence.
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.