Vol. 1 or a 2 vol. set. Notes and dissertations elucidating the doctrines and ceremonies of the Mass. With numerous illustrations. Contents of this volume: Liturgy of the Mass; On sacrifice in general; Mass a sacrifice; On the real presence; Transubstantiation; History of the Mass; Lay communion; On the term Mass; On the use of Latin at Mass; On the invocation of saints and angels.