On his return to Italy he founded, with the assistance of Father Curci and Luigi Taparelli D'Azeglio, the celebrated organ of the Jesuit order entitled La Civiltà Cattolica.

Into the agitation for the promulgation of this dogma Passaglia threw himself with great eagerness, and by so doing recommended himself strongly to Pope Pius IX.

He took refuge at Turin, and under the influence of Cavour he wrote an Epistola ad Episcopos Catholics pro causa Italica, in which, like Liverani before him, he boldly attacked the temporal power of the pope.

[1] Passaglia disregarded his excommunication, and continued his work as professor of moral philosophy at Turin, to which he had been appointed in 1861, and began a series of Advent addresses in the church of San Carlo at Milan.

[1] His chief works are: an edition of the Enchiridion of St. Augustine, with copious notes (Naples, 1847); De prærogativis b. Petri (Rome, 1850); Conferences given at the Gesù and published in Civiltà Cattolica (1851); Commentariorum theologicorum partes 3 (1 vol.