OPENING AND DEPOSITION MASSES

If mass cannot possibly be sung, low mass of the day will be said, unless the rubrics permit a votive mass ; in that case, the mass of the Blessed Sacrament, as found towards the end of the missal, without Gr/orà*, Credo or prose will be said. Préface of the Nativity ; white vestments. During the octave of the Blessed Sacrament, the mass of the feast with the prose is said. At the mass of the day, a commémoration of the Blessed Sacrament is made after ail the prayers prescribed by the rubrics before the prayers de mandata. This commémoration is omitted on the feasts of I and II class, on Palm Sunday, and on the vigils of Christmas, Easter and Pentecost.

If at ail possible, high mass should be celebrated with Deacon and Sub-Deacon. The votive mass of the Blessed Sacrament is sung as it is found at the end of the G-radual, with Gloria and Credo of lirst-class. During the octave of Corpus Chrisli, it is sung as on the festival. Préface of the Nativity ; white vestments. Commémoration only of the office of the day. The commemeration of a simplex and the prayers de mandato are omitted.

This mass is sung, even on double feasts, except on the ibllowing days : lst, The feasts and solemnities of I and II class; 2nd, The privileged Sun days of Advent, Septuagesima and ail that follow until Quasimodo inclusively ; 3rd, During the octaves of the Epiphany, Easter and of Pentecost ; 4th, The vigils of Christmas, Easter and Pentecost ; 5th, On Ash Wednesday and during holy week.

The mass of the day or of the solemnity is sung on thèse days. Except on holy Thursday, holy Saturday and on Corpus Christi, a comemoration of the Blessed Sacrament is made as follows : lst, If the mass is that of a feast or solemnity of I or II class, and

thaï a commémoration has not to be made, sub distinctâ conctusione, of a Sunday or of a privileged feria, the commémoration of the Blessed Sacrament is made sub unica conclvswne, with the prayer of the day ; 2nd, In ail other cases the commémoration of the Blessed Sacrament is made at the end of the prayers prescribed by the rubrics. The prayers de mandoto are always omitted. The commémoration of the Blessed Sacrament cannot replace that ad libitum. If the mass that is snng does not of itself contain the Gloria or Credo, they are not added owing to the Exposition. On Ash Wednesday and during Holy Week, Kyrie of Lent ; at the other masses, Kyrie of first-class. The Préface and the color are in accordance with the mass sung, even when the color is purple. Parish Piïests will take care to post up in the sacristy a notice of the rubrics of the high and low masses to be said during the Exposition in their parish, that each priest may know perfectly what he must do on the différent days ot the Exposition.