Not only is the total number of hymns increased but festival hymns are multiplied, the ecclesiastical year as it was later known being fully established in hymnology. Advent, Nativity, Epiphany, Lent, the Passion, Easter, Ascension, Pentecost and Trinity have their own groups of hymns. The various feasts of the Virgin and that of All Saints are honored. Among the Apostles, Sts. Peter, John and Andrew are praised; of other biblical saints, Sts. John the Baptist, Stephen, Paul; of the angels, St. Michael; of martyrs, the Innocents and St. Laurence; of local saints, Sts. Martin of Tours, Gall, Germanus, Martial, and a number of others. So stands the record of manuscripts of the tenth century when hymnal gains had been consolidated. The process went steadily onward as Latin hymns for the offices continued to be written to the end of the Middle Ages. A few have been added since the sixteenth century but, with certain exceptions, the great body of office hymns of the medieval church was permanently established by 1100, the date which Mearns selected as a boundary line. The same sources enriched the present-day Roman breviary which by a paradox of history, has preserved to modern times the representative hymns to which the Roman liturgy of that early period was so inhospitable. As a matter of fact, in the interval between and including the fourth and the eleventh centuries, the Latin hymn, considered in its literary implications and in its liturgical usage, was founded for the ages. Attaching to the word _hymn_ its strictest sense and narrowest function, that of the office hymn, the student perceives the great significance of this department of medieval hymnology as compared with the sequence, processional and extra-liturgical hymns of the Middle Ages. It becomes more evident that here is the core and heart of Latin hymnody. The Church could and did in the event, dispense with much of its medieval collection, but never with the hymnal. Here was preserved the ethics of the Christian life, the intimacy of the scriptural narrative, the presentment of the Christian feasts and the praise of God and of his saints. Appendix _Later Hymnal_ (See _Anal. Hymn., 51, Introduction_ p. xx-xxi) _Ad parvas horas_ _Iam lucis orto sidere_ _Nunc sancte nobis spiritus_ _Rector potens verax Deus_ _Rerum Deus tenax vigor_ _Ad vesperas_ _Lucis creator optime_ _Immense caeli conditor_ _Telluris ingens conditor_ _Caeli Deus sanctissime_ _Magnae Deus potentiae_ _Plasmator hominis Deus_ _Deus creator omnium_ (In Old Hymnal) _O lux beata trinitas_ (Mozarabic) _Ad nocturnas horas_ _Primo dierum omnium_ _Somno refectis artubus_ _Consors paterni luminis_ _Rerum creator optime_ _Nox atra rerum contegit_ _Tu trinitatis unitas_ _Summae Deus clementiae_