Worries that Johann Pfaff is unqualified to translate William Herschel's papers into German; hopes that JH will be the primary authority for commenting on WH's work.

His visit to Sunninghill, [Berkshire], to visit his cousins [the Kindersleys]; the children. Attended last Linnean Society meeting of the season. Botanised at Soho Square and saw Belzoni's "famous sarcophagus" at the British Museum. Regathered his strength following cholera attack with milk and rose conserve. His time at Upton and Hale's End, [Essex], with the Forsters: attended a Quaker's meeting at Plaistow, [Essex]; saw Mr and Mrs Dimsdale. Invited by [Francis Leggatt] Chantrey [(1781-1841), sculptor] to discuss his bust.