Doctrine of the Immaculate Conception.

In the *Catholic Annual Register for the Year ended 30th June, 1850*, published by Dolman, will be found the recent Allocution of his Holiness Pius IX., a Pastoral of the Cardinal Wiseman, and one from the bishops of America on this subject; from which your correspondent L. will be fully able to discover the present state of the doctrine of the Catholic Church on this mystery.