it until the present day. The Exorcist is ordained by the Bishop for this office, ordination to which is the second of the four minor orders of the Western Church. Pope Cornelius (251-252) mentions in his letter to Fabius that there were then in the Roman Church forty-two acolytes, and fifty-two exorcists, readers, and door-keepers, and the institution of these orders together with the organization of their functions, seems to have been the work of the predecessor of Cornelius, Pope Saint Fabian the Martyr (236-251). The rite of the Ordination of Exorcists, “De Ordinatione Exorcistarum,” is as follows: First, the Book of Exorcisms, or in its place the Pontifical or Missal must be ready at hand; _Pro Exorcistis ordinandis paretur liber exorcismorum, cuius loco dari potest Pontificale uel Missale_ (A Book of Exorcisms must be prepared for those who are to be ordained Exorcists. Howbeit in place thereof the Pontifical or the Missal may be handed to them) runs the rubric. When the Lectors have been ordained, the Bishop resuming his mitre takes his place upon his seat or faldstool at the Epistle side of the altar, and the Missal with the bugia being brought by his acolytes he proceeds to read the Gradual, or (if it be within the Octave of Pentecost) the _Alleluia_. Meantime the Gradual is sung by the choir. When it is finished, he rises, takes off his mitre, and turning to the altar intones the third collect. He next sits again, resumes his mitre, and the third Lection is read. Two chaplains assist him with bugia and book whence he reads the Lection. The Archdeacon now summons the ordinandi, who approach, holding lighted tapers in their hands, and kneel before the Bishop, who solemnly admonishes them with the prayer: