Unhappily the remains of Origen’s work upon the Psalms, though considerable, are fragmentary, and of the fragments scattered through Catenæ no complete or critical edition has yet been made. Still, insufficient as the material would be for a detailed study and comparison, enough survives to enable us to form a general idea of the relation between the two writers. Origen He is here cited by the volume and page of the edition by Lommatzsch. His system of interpretation is admirably described in the fourth of Dr. Bigg’s Bampton Lectures, The Christian Platonists of Alexandria. composed Homilies upon the Psalter, a Commentary upon it, and a summary treatise, called the Enchiridion. The first of these works was Hilary’s model; Origen’s Homilies were diffuse extemporary expositions, ending, like Hilary’s, with an ascription of praise. It is unfortunate that, of the few which survive, all treat of Psalms on which Hilary’s Homilies are lost. But it is doubtful whether Hilary knew the other writings of Origen upon the Psalter. We have ourselves a very small knowledge of them, for the Catenæ are not in the habit of giving more than the name of the author whom they cite. Yet it may well be that some of the apparent discrepancies between the explanations given by Hilary and by Origen are due to the loss of the passage from Origen’s Homily which would have agreed with Hilary, and to the survival of the different rendering given in the Commentary or the Enchiridion; some, no doubt, are also due to the carelessness and even dishonesty of the compilers of Catenæ in stating the authorship of their selections. But though it is possible that Hilary had access to all Origen’s writings on the Psalms, there is no reason to suppose that he possessed a copy of his Hexapla. The only translation of the Old Testament which he names beside the Septuagint is that of Aquila; he is aware that there are others, but none save the Septuagint has authority or deserves respect, and his rare allusions to them are only such as we find in Origen’s Homilies, and imply no such exhaustive knowledge of the variants as a possessor of the Hexapla would have.