Thanks for specimens of cirripedes attached to rocks, which show no boring. CD hopes to see some on limestone.
Encourages CSB to do research on the complemental males of Scalpellum vulgare.
Discusses geological foliation and cleavage. Urges ACR to read CD’s remarks on subject in his South America before ACR publishes his paper ["On the lower Palaeozoic rocks", Q. J. Geol. Soc. Lond. 9 (1853): 161–79].
Has changed his bank to Union Bank, Charing Cross Branch.
Offers to send Ascidia specimens of Beagle voyage. Describes some of them.
Hopes THH will review his book [Living Cirripedia, vol. 1] which has been published for a year with no notice taken of it except briefly by Dana.
Discusses Limulus-like larva. "I have become a man of one idea.– cirripedes morning & night."
Discusses the development and morphology of Verruca.
Would be proud to receive memoir ["Les crustacés fossiles du Limbourg" (1854)].
On THH’s paper on cephalous Mollusca [Philos. Trans. R. Soc. Lond. 143 (1853) pt 1: 29–66]. Discovery of the type or "idea" (in THH’s sense, not Owen’s or Agassiz’s) is one of the highest ends of natural history.
Discusses anamorphism;
position of heart in Cleodora.
Variability within species;
cementing process in cirripedes.
Discusses the [CD/Emma] marriage trust.
Writes concerning marriage trust.
Solicits information about the kind of syphon required to convey water from a proposed large water tank to existing smaller ones.
Discusses installation of watering system. Sent question to Gardeners’ Chronicle but, through EC’s kindness, superfluously.
Apologises for the trouble he has given EC. CD has given up the siphon plan and intends to make only an ordinary tank with a pump.
Discusses JAHdeB’s drawing of a Verruca.
Describes meeting of Geological Society [1 June 1853].
Mentions his criticism of Murchison’s lecture on flints.
Describes Robert Chambers’ "On the glacial phenomena in Scotland" [Edinburgh New Philos. J. 54 (1853): 229–82].
Mentions controversial election of members to the Royal Society.
Discusses account.
Thanks for fossil cirripede specimens. Comments on various specimens.
Will quote CSB on discovery of Alcippe lampas.
Hopes CSB continues to look for Verruca on limestone.
Discusses use of CSB’s larvae illustrations [for Living Cirripedia].
Discusses valves in Scalpellum. Comments on JAHdeB’s research on cirripedes.
Discusses Rugby and education in general. The enormous proportion of time spent on classics checks interest "in anything in which reasoning & observation comes into play".
Expresses shock and sympathy on learning of the deaths in WDF’s house.
FG’s volume on his African expedition [Narrative of an explorer in tropical South Africa (1853)] stimulates CD to express his admiration and to hope their acquaintance can be renewed.
Describes his health and life at Down.
Asks JM to forward letter [1525] to Francis Galton "the author of the very interesting volume" Murray recently published.