The text of the manuscript is written in a bold slightly angular hand and is generally above average size. The only marginalium, ‘Amo Deus, bene literat, amen dico vobis’ (folio 1 verso) may be by the same hand although in a different ink. Capitals are coloured in red. The contents are as follows. On Isidore’s commentary on Aphorisms of Johannes Damascenus (Mesue), cf. Adv.MS.72.1.13, folio 1 recto, column a, line 1. Beginning (acephalous) ‘ata an triacla do beith uair and’ = Adv.MS.72.1.23, folio 2 recto, column a, line 22. First complete section begins ‘Morbi exteriores vere e aestate’. Ends ‘Item adeir Isidurus gurub tarbaidhe’ in section beginning ‘Quibus in iuventute quater in ando’. Relates to Mesue’s printed text (1514 edition) folios 31 verso, column a, line 18-32 verso, column a, line 19. This portion of the tract is also covered in parts by Adv.MS.72.1.23 and 72.1.17. Authorities cited: Galen, Hippocrates, Aristotle, Avicenna, Constantine, Isaac, Averroes, Ptolemy (folio 5 verso, column b). (Folio 1 recto, column a, line 1.)