of the undivided Christian period; but the St. Thomas' Syrians believe that the Holy Bible is unique and supreme in such matters. (2) While the Jacobites have faith in the efficacy and necessity of prayers, charities, etc., for the benefit of departed souls, of the invocation of the Virgin Mary and the Saints in divine worship, of pilgrimages, and of confessing sins to, and obtaining absolution from priests, the St. Thomas' Syrians regard these and similar practices as unscriptural, tending not to the edification of believers, but to the drawing away of the minds of believers from the vital and real spiritual truths of the Christian Revelation. (3) While the Jacobites administer the Lord's Supper to the laity and the non-celebrating clergy in the form of consecrated bread dipped in consecrated wine, and regard it a sin to administer the elements separately after having united them in token of Christ's resurrection, the St. Thomas' Syrians admit the laity to both the elements after the act of uniting them. (4) While the Jacobite Syrians allow marriage ceremonies on Sundays, on the plea that, being of the nature of a sacrament, they ought to be celebrated on Sundays, and that Christ himself had taken part in a marriage festival on the Sabbath day, the St. Thomas' Syrians prohibit such celebrations on Sundays as unscriptural, the Sabbath being set apart for rest and religious exercises. (5) While the Jacobites believe that the mass is as much a memorial of Christ's oblation on the cross as it is an unbloody sacrifice offered for the remission of the sins of the living and of the faithful dead, the St. Thomas' Syrians observe it as a commemoration of Christ's sacrifice on the cross. (6) The Jacobites venerate the cross and the relics of Saints, while the St. Thomas' Syrians regard the practice as idolatry. (7) The Jacobites perform mass for the dead, while the