IV class
White
Mass of the B.V.M. on Saturday (White), Gloria, no Credo, preface of the B.V.M. with Et te in veneratione
Matins: Invitatorium and Hymn from BVM on Saturday; first two lessons from occurring scripture; third lesson of BVM on Saturday, mense februario, Te Deum
Lauds: Antiphons and psalms of the feria (first schema); remainder of BVM on Saturday; commemoration added
Hours: Antiphons and psalms of the feria; remainder of BVM on Saturday; in Prime responsory Qui natus es
I Vespers: Of the following Sunday; antiphons and psalms of Saturday; remainder per annum as given in the psalter; proper Magnificat antiphon and oration; Vespers is ended with Benedicamus Domino double Alleluia
Compline: Of Saturday