XVIII. Protestanisrn is nothing else than a different form of

the same Christian religion, in which it is permitted to please Grod equally as in the true Catholic Church.
§ IV.
Socialism, Communism, Secret Societies, Bible Societies, Clerico-
Liberal Societies,
Pests of this kind are often reprobated, and in the most severe terms in the Encyclical " Qui pluribus," November 9, 1846 ; the Allocution " Quibus Quantisque," April 20, 1849 ; the Encycli- cal " Noscitis et Nobiscum," December 8, 1849 ; the Allocution " Singulaiii quadam," December 9, 1854; the Encyclical "Quan- to conficiamur," August 10, 1863.
Errors concerning the Church and her rights.