Finds he needs four woodcuts for the introduction [to vol. 1 of Living Cirripedia], which calls for quick action. Will send entire MS by the end of the month.

Will bring MS [of vol. 1 of Living Cirripedia] on the last day of July, and proofs of the eight plates now engraved will be sent soon. CD has failed to get materials for the one coloured plate he wanted, so none will be in colour. There will be ten altogether. He will ask later whether he must pay for the extra one. G. B. Sowerby Jr comes next day to complete drawings for two not yet engraved.

Asks to borrow an old pair of GN’s dissecting scissors so that Weiss & Co. can use it as a model.

Health has been poor.

Has finished MS on pedunculated cirripedes for Ray Society [Living Cirripedia, vol. 1 (1851)].

Asks EL whether he should use both Latin and English descriptions of specific characters [in vol. 1 of Living Cirripedia].

Sends completed MS [vol. 1 of Living Cirripedia] with instructions for the printers; reviews number of plates and woodcuts, and offers to pay for extras and for excess corrections, if they occur. Hopes the Council [of the Ray Society] will print his second volume at the end of the ensuing year.

CD returns home Saturday and would like his servant to take his MS [of Living Cirripedia] to Adlard that morning; he does not have a copy and would on no account re-undergo the labour he has spent on it.

Wants his MS [of Living Cirripedia] taken to Adlard by a trustworthy person and wants to be told when and how it was done; leaves a note for Adlard that he wants proof on the 17th or 18th.

Returns scissors with thanks.

Young John Lubbock who has a strong taste for dissecting insects would benefit greatly from conversation with GN.

Has sent CD some cirripedes and notes which he hopes will be of use. Gives details of occurrence and source of some of the specimens.

Thanks him for letter and Balanus specimen.

Acasta is curious; may be a new genus.

Is sending copy [of Fossil Cirripedia 1]. Correcting proofs [of Living Cirripedia 1].

Mentions comment by Hermann Abich on JDD’s chapters on the Sandwich Islands [in Geology (1849)].

Returns fossil cirripede specimens to JS and Forchhammer.

Sends copies [of Fossil Cirripedia] to them and to Sven Lovén.

Reading proofs [of Living Cirripedia].

G. B. Sowerby’s plates [for Living Cirripedia] are ready for the printer.

Discusses domestic affairs and gives some advice on manners.

Testimonial for THH’s application for Chair in Natural History at Toronto.

Thanks DS for writing about his research on foliation and cleavage. Discusses nature of slate and metamorphic schists.

Makes suggestions for the paper DS is preparing for the Royal Society and raises questions for his consideration; CD hopes he can attend the Society meeting when the paper is read ["On foliation and cleavage of Scotland", Philos. Trans. R. Soc. Lond. 142 (1852): 445–62].

Thanks him for specimens of Xenobalanus. Discusses systematic relations of the genus.

Comments on paper by J. T. Reinhardt ["Om slaegten Lithotryas", Vidensk. Medd. Naturhist. Foren. Kjobenhavn 2 (1850): 1–8].

Thanks for offer of Cirripedia specimens from the Northern Atlantic, but has seen so many that he does not need more.

Flora of New Zealand.

Reconsidering variability of insular species.

Becoming convinced of the probability that the southern flora is a fragmentary one – all that remains of a great southern continent.

Asks for reference to publication about Xenobalanus.

Returns the enclosed parchment.