(i) Laws of the Society. (Folio 1.)
(ii) List of meetings for each session, with the name of the speaker and the title of his 'discourse', November 1764–January 1771 (folio 3 verso). Occasionally the elections of new members or the names of absentees are recorded. 'There is a gap in the Records for the next 5 years, and the only information we have of their Transactions during the years 1771 and 1773 is from a loose jotting, of which the following is a copy' (folio 13 verso).
(iii) List of the essays with the names of the authors, 1776-1779. (Folio 14 verso.)
(iv) Duncan's scroll copy of the list, found loose and inserted. (Folio 18.)
(v) Scroll lists of the essays read by the brothers Robert and Andrew Foulis. (Folio 22.)