82. Triduo on Friday, Saturday and Sunday,

during the Octave of Corpus Christi. i. Seven Years and Seven Quarantines, each day. ii. Plenary, during the Triduo. 1, r1, Iv. iii. Plenary, on the Sunday. 1, II, II, IV. (See Instructions, p. 1.) Theremust be each day a sermon, onthe Holy Eucharist and Benediction. And onthe Sunday a sermon, at the parochial Mass, on the Gospel and the Holy Eucharist. The devotions in the afternoon as above, with special sermon on frequent communion, and the 7e Deum before the Zantum ergo. The Bishop may transfer the Triduo to another time. N.B.—This devotion is primarily for Cathedral Churches, but Bishops may order them, and specially the Sunday devotions, in other churches. Lhe Prayer, Dulcissime JESU, must be said after the sermon during exposition on each day. 80 Pius X, May 8, 1907. 81 Urban IV, Con. August 11, 1264; Martin V, Con. May 26, 1 > Eu- genius IV, Con. May 26, 1433. E doe 82 Pius X, April 10, 1907. THE BLESSED SACRAMENT 69 DULCISSIME Jesu, qui in hunc mundum venisti, ut omnes animas vita ditares gratia tue, ad quam in illis servan- dam simulque fovendam in augustissimo Eucha- ristiza Sacramento salu- tare pharmacum earum infirmitatibus sanandis, et cibum divinum debili- tati sustinendae temetip- sum quotidie prabes, te supplices deprecamur, ut super eas sanctum tuum spiritum benignus effun- das; quo repletze, lethali labe si que sint inquinatz ad te revertentes, vitam gratie deperditam re- Cuperent > qua vero, te misericorditer largiente, jam tibi adhaerent, quo- tidie, prout cui dabitur, ad tuam ccelestem dapem devote accedant, qua ro- borate, venialium cul- parum a se quotidie ad- missarum antidotum sibi comparare, vitamque gratie tue alere valeant, Sicque magis magisque emundata, sempiternam in coelis beatitudinem consequantur. Amen