 The difference between them and privileged octaves of third rank concerned which Psalms were said in the Divine Office.The simple octaves were those of Saint Stephen, Saint John the Evangelist, the Holy Innocents, Saint Lawrence, the Nativity of Mary and, locally, secondary patrons.These were all Doubles of the II class, their Octave day was a Simple and, in contrast to the situation before Pope Pius X, their Mass was not repeated on the days within the octave.