It is probably to the commentaries of Eudoxius, Leontius, and Patricius on the three earlier codes that Justinian (Const. Tanta, § 9) alludes, when he says of them " optimam sui memoriam in Legibus reliquerunt," for the imperatorial constitutions were often called Leges, as distinguished from the Jus of the jurists.
In Basil, ii. p. 614, Thalelaeus, who survived Justinian, classes Eudoxius among the older teachers, and cites his exposition of a constitution of Severus and Antoninus of A. D. 199, which appears in Cod. 2. tit. 12. s. 4. Again, in Basil. i. pp. 810, 811, is cited his exposition of a constitution of Diocletian and Maximinian, of A. D. 193, which appears in Cod. 2. tit. 4. s. 18, with the interpolated words excepto adulterio. In both these passages, the opinion of Heros Patricius is preferred to that of Eudoxius.
In like manner, it appears from the scholiast in the fifth volume of Meerlnian's Thesaurus (JCtorum Graecorum Commentarii, p. 56 ;Basil., ed. Heimbach, i. p.