plain. The Congregations are composed of experienced men of all schools and tendencies; they proceed with the greatest prudence and conscientiousness; they represent the tradition of the Roman Church which is especially protected by the Holy Ghost. We may add that their decrees have seldom needed reform. Hence Pius IX. points out that learned Catholics “must submit to the doctrinal decisions given by the Pontifical Congregations” (Brief to the Archbishop of Munich, Tuas libenter, 1863).
2. If the Pope fully and formally confirms the decrees they become infallible. It is not easy, however, to decide whether this perfect confirmation has been given. Certain formulas, e.g. the simple approbavit, may signify nothing more than an act of supervision or an act of the Pope as head of the Congregation, and not as Head of the Church.
II. Particular or Local Councils are assemblies of the Bishops of a province or a nation as distinguished from assemblies of the Bishops of the world. When the council is composed of the Bishops of a single province, it is called a Provincial Council; when the Bishops of several provinces are present, it is called a Plenary or National Council. Thus in England, where there is only one province, the province of Westminster, the English Councils are called the “Westminster Provincial Councils.” In Ireland there are four provinces, and consequently when all the Irish Bishops meet in council the assembly is called the “National Council.” The usual name given to similar assemblies in the United States is Plenary Council. Every Particular Council must be convened with the approbation of the Holy See. The Bishops act indeed in virtue of their ordinary power, and not as papal delegates; nevertheless it is only fitting that they should act in union with their Head. Moreover, the decrees must be submitted to the approval of Rome. The approval granted is either Simple or Solemn (approbatio in forma simplici, approbatio in forma solemni). The Simple form, which is that usually granted, is a mere act of supervision, and emanates from the Congregation of the Council. The Solemn form is equivalent to an adoption of the decrees by the Holy See as its own, and is seldom granted. The Provincial Councils held