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328 he qualified himself as "Inqicisitor Domini Papæ in Tuscia," and in a sentence rendered in 1245 he is careful to call himself inquisitor of Bishop Ardingho as well as of the pope, and recites the episcopal commission given him as authority to act. In the proceedings of this period the rudimentary character of the Inquisition is evident. One confession in 1244 bears only the names of two frati, the inquisitor not being even present. In 1245 there are sentences signed by Ruggieri alone, while other proceedings show him to be acting conjointly with Ardingho. He may be said, indeed, to have given the Inquisition in Florence form and shape when, about 1243, he opened for the first time his independent tribunal in Santa Maria Novella, taking as assessors two or three prominent friars of the convent and employing public notaries to make record of his proceedings.

This is a, fair illustration of the gradual development of the Inquisition. It was not an institution definitely projected and founded, but was moulded step by step out of the materials which lay nearest to hand fitted for the object to be attained. In fact, when Gregory, recognizing the futility of further dependence on episcopal zeal, sought to take advantage of the favorable secular legislation against heresy, the preaching friars were the readiest instruments within reach for the accomplishment of his object. We shall see hereafter how, as in Florence, the experiment was tried in Aragon and Languedoc and Germany, and the success which on the whole attended it and led to an extended and permanent organization.

The Inquisition has sometimes been said to have been founded April 20, 1233, the day on which Gregory issued two bulls making the persecution of heresy the special function of the Dominicans ; but the apologetic tone in which he addresses the prelates shows how uncertain he felt as to their enduring this invasion of their jurisdiction, while the character of his instructions proves that he had no conception of what the innovation was to lead to. In fact, his immediate object seems rather the punishment of priests and other ecclesiastics, concerning whom there was a stand-