of a special form of service approved by him, and containing nothing except anthems or hymns, which does not form part of the Holy Scriptures or Book of Common Prayer, and also (_b_) the use, on any Sunday or holy day, as supplementary to the services prescribed by the Prayer Book, of an additional form of service, approved by the ordinary as to its form and mode of use, and containing no portion of the Communion Service and nothing except anthems or hymns which does not form part of the Holy Scriptures or Book of Common Prayer. The same Act authorises the use of a shortened order for Morning or Evening Prayer on any day except Sunday, Christmas Day, Ash Wednesday, Good Friday, and Ascension Day; and the use of the Morning Prayer, the Litany, and the Communion Service, in varying order as separate services,[166] and the saying of the Litany after the third collect in Evening Prayer, without prejudice to any legal powers vested in the ordinary, and either with or without a sermon, lecture, or homily; and also the preaching of a sermon without being preceded by a service appointed by the Prayer Book, provided that it be preceded by a service authorised by the Act, or by a collect from the Prayer Book with or without the Lord's Prayer. 2. The Prayer Book contains an "Order for Morning and Evening Prayer daily to be said and used throughout the year"; and under the prefatory heading "Concerning the Service of the Church," it is directed that all priests and deacons are to say daily the Morning and Evening Prayer either privately or openly, not being let by sickness or some other urgent cause. And the curate who ministers in a parish church, being at home and not being otherwise reasonably hindered, is to say the same in the church, after summoning the people by a bell to come and hear God's word and pray with him. A bishop, however, has no power to enforce daily services;[167] and daily service has been held not to be requisite under a trust to perform the service "in strict and literal accordance with the order of the Book of Common Prayer."[168] But the Act of Uniformity of 1662, s. 1, expressly enacts that the morning and evening prayers contained in that Book shall, on every Lord's Day, and on all other days and occasions, and at the times therein appointed, be openly read by every minister or curate in every church, chapel, or other place of public worship.[169] And the 14th and 15th Canons direct that the Common Prayer shall be said or sung distinctly and reverently upon such days as are appointed to be kept holy by the Prayer Book and their eves, and that the Litany shall be said or sung when and as prescribed in the Prayer Book; and in particular on Wednesdays and Fridays weekly, though they be not holy days, the minister at the accustomed hours of service is to resort to the church and say the Litany after warning the people by tolling a bell. A later enactment empowers the bishop, at his