The catechumens or unbaptized, together with the penitents, remained in church during the Litany, collect, three lections, two psalms and homily.
The deacon then cried out: " Let the catechumens depart.
Let all catechumens go out."
After the catechumens were gone the priest said: " The Lord be with you, let us pray," and the service of the mass followed.
Martyres (perhaps the earliest of all), De baptismo haereticorum (now lost), De baptismo, De poenitentia, De oratione (the last three written for catechumens), De patientia, Ad uxorem Libri II., De praescriptione haereticorum, and Adv.