_Marius Victorinus_, makes Paul's visit an acknowledgment of Peter's Primacy, 164. _Mastrezat_, referred to, 232. _Metaphor_, tests of clearness in, 267. _More_, Sir Thomas, his statement to Luther of reasons for maintaining the Primacy, 263. _Mosheim_, his admission that the early Fathers set forth a unity which terminates in the Papal See, as the hand does in the fingers, 197-8, note. _Muzzarelli_, his works referred to, 255. N. _Names_, classes of, given in Scripture, 16. _Nicole_, referred to, 232. O. _Oecumenius_, on the fruit of the Incarnation, 179. _Optatus_, St., calls St. Peter's the single chair in which unity was to be observed by all, 110 calls schism the greatest of evils, 231 referred to, as explaining the term Catholic, 237 ascribes the origin and maintenance of unity to Peter, 242. _Origen_, says that Peter is so called from Christ the Rock, 10 calls Peter the great foundation of the Church, 15 describes the great honour given by Christ to Peter in the matter of the didrachmna, 36 makes Peter the first, as Judas the last, of the Apostles, 89 referred to, as defining the Church, 223 distinguishes the Church as Catholic, 236 states the principle of tradition, 275 referred to, on same, 275. P. _Pacian_, St., calls the Church Catholic, 236 explains the term, 237, 238 describes the Church's unity, 239, note ascribes the origin of unity to Peter, 242. _Paul_, St., distinguishes St. Peter among the Apostles, 67 why so much said of him in the Acts, 121 his visitatorial power contrasted with St. Peter's, 146 his epistles incidentally confirm St. Peter's Primacy, 160 recognises St. Peter's Primacy, 161 by going to visit him, 162-165 and in his second visit, 166-169 what is involved in his censure of St. Peter, 169-171 its real amount, 177 force of his terming the Church "one body," 193 how emphatic he is in setting forth visible unity, 197. _Pelagius_ II., Pope, 578-590 states privileges of the Apostolic See, 253. _Petavius_, shows that spiritual jurisdiction springs from the direct gift of Christ, 107.