Green Semidouble FOR THE YEARS when the number of the Sundays after Pentecost is only twenty-three, the Mass for today is taken from the twenty-fourth and last Sunday: and the Mass appointed for the twenty-third, is said on the previous Saturday, or on the nearest day of the preceding week, which is not impeded by a double or semi-double feast. But, under all circumstances, the Antiphonary ends today. The Introits, Graduals, Communions, and Postcommunions, which are given below, are to be repeated on each of the Sundays till Advent, which may be more or less in number, according to...