Thanks for letters from Smith and William Smith regarding the sale of his picture collection; their purchase by the [Liverpool Royal] Institution is not yet settled but will take up William Smith's offer of assistance in selling them if they do not. Sending Smith a copy of his pamphlet and asks his opinion, which he implicitly relies on; defends himself against possible detractors.

Thanks for turkey. [Aylmer Bourke] Lambert unable to write as suffering from a toothache. A vote at the Linnean Society led by Lambert failed in removing the "tanners' and some other house", smell so offensive that [William George] Maton had to leave before dinner was over. A mild winter. Describes attractions of Boyton House, Wiltshire, including gardens. Praises Smith's "sublime hymns". Discusses poetry including "odditys [sic]"of Lord Byron and Lord [Thomas] Erskine's [1st Baron Erskine (1750-1823), lord chancellor] poem "The Farmer's Vision". Sir Joseph [Banks] ill, discussion of [Sarah Sophia] Banks' will [(1744-1818), sister of Banks and collector of antiquarian items, ]. Has seen Lady Banks and the Countess Bentinck, and Maton in connection with Banks' health.

His father [Franz Karl Mertens] suffering from a "tedious & painfull" indisposition of his eyes, so on his father's behalf thanks Smith for present of willow cuttings, but as only nine of the eighteen specimens have grown requests fresh replacements and asks that they to be sent via his brother-in-law Theodore Zimmermann. Lists those willows that grew at end of letter: 'Salix malifolia', 'Salix russelliana', 'Salix acuminata', 'Salix lanceolata', 'Salix hirta', 'Salix rubra', 'Salix purpurea', 'Salix decipiens', and 'Salix phylicifolia'.