Substance.—A word derived from the Latin, used in Theology as the equivalent of the Greek word ousia, meaning "essence," and used in the definition of the nature of the Godhead. Thus we say that God is one in substance (i.e., essence) but in Persons, Three. The word is found in the Creed in the article which speaks of the Son as "Being of one substance with the Father."

Suffrages.—The intercessory versicles and responses after the Creed in Morning and Evening Prayer and towards the end of the Litany, are so called.

Sunday.—(See LORD'S DAY.)

Sunday Letter.—(See DOMINICAL LETTER.)

Sunday-schools.—Sunday-schools were originated in the Church of England by one of its clergy, the Rev. Thomas Steck, who afterwards, in 1780, called in Mr. Robert Raikes, a layman, to assist him. Such schools gradually spread and increased, until to-day it {248} is said that the Sunday-schools of the world number three millions of teachers and over thirty millions of scholars. Of late years especially the Sunday-school has become a most important factor in our Church life, and yet notwithstanding its very manifest purpose it is ever presenting problems very difficult to solve. These perplexing problems no doubt arise from two main causes, (1) a practical, though oftentimes unconscious, ignoring of the Church's own order and method and (2) from the mixed conditions of the religious world of to-day "by reason of our unhappy divisions." As far as can be seen, all that has been written, published and preached on this subject seems to resolve itself into simply this—Try to do the best you can with the material you have, the short time allotted to this work, usually one hour a week, and the absolute voluntaryism of the whole undertaking. And yet in spite of this discouraging outlook, there can be no doubt that the Sunday-school offers one of the very best fields for genuine Church work and is "worth while," as has been fully demonstrated in many places of earnest toil for God. This work is far-reaching in its influence and no estimate can be given of the possible good it may do in moulding lives. The Rev. G. W. Shinn, D.D., speaking of the Sunday-school sets forth its object as follows: "It offers to aid parents, sponsors and pastors in developing the religious life of the young, in filling their minds with the Truths of our most holy Faith, and in training them to serve God faithfully in their day and generation. Whatever its defects of administration, this is its aim."

Super-Altar.—A small portable slab of stone used {249} to consecrate upon and placed on an unconsecrated Altar or a wooden Altar.

Super-Frontal.—A covering on the top of the Altar which hangs down eight or ten inches in front, varying in color according to the Church Season.

Sureties.—(See SPONSORS.)

Surplice.—The outer garment, made of linen, worn over the cassock by the officiating minister during the Church service. It is a loose flowing vestment, generally reaching to the knees, having broad, full, open sleeves. It is not specially a Priestly garment, as it is worn by Deacons and also by Lay-Readers, and in a modified form by choristers. The word is derived from the Latin, superpelliceum, meaning an over-garment. (See VESTMENTS.)

Surpliced Choir.—When the body of singers of the Church service is composed of boys and men they are vested in cassocks and surplices or cottas and given a place in the Chancel. This is a very ancient usage in the Church of God, reaching back to the Temple service at Jerusalem. In the description of that service given in 2 Chronicles 5:12 and 13 we read: "Also the Levites which were the singers, all of them of Asaph, of Heman, of Jeduthun, with their sons and their brethren, being arrayed in white linen . . . stood at the east end of the Altar . . . praising and thanking God." In this whole passage we see the original of those surpliced choirs by which the same Psalms of David have been sung in every age of the Christian Church.