<p style='text-align: justify;'> The manuscript contains <i> Oribasius' <i> Collectiones medicae</i></i> (Ἰατρικαὶ Συναγωγαί, <i> Medical collections</i>). Oribasius (ca. 320-400 CE) was a Greek physician and medical writer, who was the personal physician of Emperor Julian and was active also in the time of Emperor Valens. The <i> Medical collections</i> are a compilation of excerpts from other medical writers, from antiquity to his contemporaries.</p><p style='text-align: justify;'> This manuscript, St John's College A.6, was copied around the middle of the 16th century by the scribe Nikolaos Pachys. It was donated to the College in 1634 by John Collins, M.D., Regius Professor of Physic to the University. A few years after the codex arrived in St John's College it was used as the original for the copy of <a target='_blank' class='externalLink' href='https://search.wellcomelibrary.org/iii/encore/record/C__Rb1914735?lang=eng'> London, Wellcome Library, MS.MSL.126 </a>). ( C. Daremberg 1853,, pp. 166-167).</p><p style='text-align: justify;'> Dr Erika Elia</p>