(d. 1330), and also a canonist, was rector of the university of Toulouse and succeeded his uncle as bishop of Mende. He wrote in 1311, in connexion with the council of Vienne, De modo celebrandi concilii et corruptelis in Ecclesia reformandis. It attacks the abuses of the Church with extreme sincerity and vigour.
On the elder Durand see V. Leclerc in Histoire litteraire de la France, vol. xx. pp. 411-497 (1842) Schulte, Geschichte der Quellen des canonischen Rechts (1877); E. Male, L' Art religieux au XIIIe siecle en France (1898). On the nephew see B. Haureau, in Journal des savants (1892), 64.