21. The Irish palimpsest sacramentary from the mid-7th century contains the text of a mass for St Martin. 22. In his analysis of the Gallican Mass, Duchesne assumes that the seventh-century Bobbio Sacramentary ( Bibl. 23. He is best known in connection with this prayer-book or sacramentary intended for the use of bishops. 24. The sacramentary was compiled near Paris around 750, and it contains a mixture of Gallican and Roman elements. 25. A new sacramentary , now in broad trial use, contains modified Roman, Anglican, and Eastern rites. 26. All this is found exactly as now in the earliest Secrets we know, those of the Leonine Sacramentary . 27. A sacramentary is a book containing all the prayers spoken by the officiating priest during the course of the year. 28. The Sacramentary was written and painted for the personal use of Charlemagne's son Drogo, bishop of Metz. 29. The " Sacramentary of Gellone ", dating to the late 8th century, is a famous manuscript. 30. A sacramentary like the Bobbio Missal would have been inadequate for the liturgical celebration in a Merovingian episcopal church ".