Mystified by the origin of coal-plants.
Milne’s Glen Roy theory is absurd but, oddly, it has staggered CD in favour of Agassiz’s ice-lake theory.
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Mystified by the origin of coal-plants.
Milne’s Glen Roy theory is absurd but, oddly, it has staggered CD in favour of Agassiz’s ice-lake theory.
Flattered by JBJ’s discussion of coral reefs [in Voyage of H.M.S. "Fly" 1 (1847): 347–8]. CD has always thought his Coral reefs "too bold and speculative", so he is gratified "when anyone who has had opportunities of observation does not give his verdict against it".
Discusses enclosed figures on elevation of terraces in several Scottish glens as surveyed by William Kemp and David Stevenson. Comments on Robert Chambers’ view of the terraces. Mentions a letter on the terraces, originally written for publication, which he has asked Robert Jameson [editor of the Edinburgh New Philos. J.] to destroy.
Difficulty of scheduling visit before JDH departs on Himalayan expedition.
Thanks for a suite of male and female specimens of Lepidoptera. Lack of difference in size of wings surprises CD; the female’s being smaller than male’s in early growth is new to him. Will ask a friend in India for comparable facts.
On scheduling farewell meeting.
Continued problems in scheduling farewell meeting.
CD very ill; tries to arrange departure meeting with JDH.
CD’s guess at composition of Maldive flora.
Accepts AC’s offer to conduct hybridisation experiments, and offers suggestions.
Sends book [Journal of researches, 2d ed. (1845)].
Reorders six 2–oz bottles with corks.
Thanks Mrs Lyell for barnacle specimens.
Mentions Agassiz’s classification of saurians.
Discusses letter from Chambers on "roads" in Scottish glens; views of Agassiz and Buckland on the glens.
Is reading Hugh Miller [First impressions of England and its people (1847)].
Has had two bad days with boils.
Is reading Last days of Pompeii [Edward Bulwer Lytton (1834)].