Impressed by CD’s theory [of earthworm action].
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Impressed by CD’s theory [of earthworm action].
Sends four samples of dust blown on board his ship from the coast of Africa, nearly 400 miles away, during four days in March 1838. Gives careful descriptions and relates the tests he made of it [see Collected papers 1: 200].
Comments on receiving copy of Lyell’s Elements [of geology]. Much is new to CD, and he is copying out notes and references.
Criticises geological work of John Phillips.
Describes expedition to Glen Roy, about which he is writing a paper ["Parallel roads of Glen Roy" (1839), Collected papers 1: 87–137].
Enjoys the Athenaeum Club.
Criticises entomological work of F. W. Hope.
Asks Lyell to obtain for him a copy of barometric readings made at Leith.
Asks him to ascertain altitude of several Scottish lochs.
Comments on FitzRoy’s character.
Comments on an article in Edinburgh Review [by David Brewster, 67 (1838): 271–308] on Comte’s Philosophie positive.
Discusses falsity of Élie de Beaumont’s views of contemporaneous parallel lines of elevation and subsidence.
Owen’s views of relationship of reptiles to birds.
On "question of species" CD has filled notebook after notebook with facts, "which begin to group themselves clearly under sub-laws".
Announces his engagement to Emma Wedgwood.