Bkitish Museum Ms., Oriental 8606, a Syriac codex of Melchite origin, written in the year A.D. 723, contains, besides a Syriac Corpus Athanasianum (the only Syriac Corpus of Athanasian writings so far discovered), a collection of Homilies on the Nativity by various authors. With one exception, a Homily by St. Ephraim, these are all translated from Greek originals. One of these discourses, a Homily by Severian, Bishop of Gabala in Syria, ” On the Nativity of our Lord and against Heretics ”, seems to be no longer extant in Greek, nor, so far as I can discover, has the Syriac version ever been published. This is somewhat surprising since the same discourse is to be found in Cod. Vat. Syr. 369, fol.15v–17v. As very few of Severian's sermons are preserved in the original Greek, it seemed to me that an edition of this piece might be of interest to scholars.