We may assume from this that if there had been any resistance on the part of the Castilian episcopate it had by this time been overcome. That this concentration of exclusive jurisdiction in the Inquisition was the work of the royal power and was not universally admitted, even by the middle of the sixteenth century, is manifest from the remark of Bishop Simancas, himself an experienced inquisitor, when he says that it is the duty of bishops to enquire into cases of heresy, but they ought to send the prisoner and the testimony to the inquisitor, for otherwise their inexperience is apt to result in failure, as he had often found; there ought to be a papal decree prescribing this and, in default of it, the king is accustomed to order it of the bishops.[18] Of this we have an example, in 1527, when the vicar-general of the Archbishop of Toledo was required by Inquisitor-general Manrique to surrender a cleric whom he had arrested and was prosecuting.[19] Simancas still recognizes the duty of the bishop to make preliminary inquiries into heresy, but even this had long before been forbidden, although there was a prolonged struggle before it was surrendered. In 1532 the Ordinary of Huesca issued an Edict of Faith, modelled on that of the Inquisition, calling for denunciation of heretics, for which the empress-regent sharply rebuked him, in a letter of March 23d, calling it an innovation unknown since the Inquisition had been introduced, and threatening him with fitting measures for the repetition of such intrusion on the jurisdiction of the Inquisition.[20] In spite of this, Archbishop Ayala of Valencia, in 1565, and his successor the Blessed Juan de Ribera, in 1576, and another bishop in 1567 repeated the indiscretion for which they were promptly called to account. When, in 1583, the Bishop of Tortosa committed the same offence, the Suprema wrote, January 14, 1584, that the popes had given the Inquisition exclusive jurisdiction over heresy and had prohibited its cognizance by others and that he must not in future intervene in such matters.[21] Undeterred by this, the Council of Tarragona, in 1591, reasserted the ancient episcopal jurisdiction by ordering all bishops to be vigilant in watching their flocks and, if they found any disseminators of heresy, to see to their condign punishment according to the canons.[22] How completely justified was the council in this and how false was the assertion of the Suprema, was manifested in 1595, when the Archbishop of Granada complained to Clement VIII that the inquisitors had forbidden him to issue an edict on the subject of heresy and the pope forthwith wrote to the inquisitor-general that this must not be allowed, for the faculties delegated to inquisitors in no way abridged episcopal jurisdiction.[23] [Sidenote: _EXCLUSIVE JURISDICTION ENFORCED_]