Nero A.II., which gives what was held in the 8th century to be the origin of the ""Cursus Scottorum"" ("Cursus psalmorum" and "Synaxis" are terms used for the Divine Office in the Rule of St. Columbanus) and in allusions in the "Catalogus Sanctorum Hiberniae", which differentiates between the "Cursus Gallorum", which it derives imaginatively from Ephesus and St. John, through St. Polycarp and St. Irenaeus, and this "Cursus Scottorum" which, according to this writer, probably an Irish monk in France, originated with St. Mark at Alexandria.