Domitilla, catacomb of, 261 Age, grandeur, and size of, 240, 266 Basilica in, 278 Builder of, 112 Discovery of, 230; and discoveries in, 239, 240-2 Flavian tombs in, 277 S. Petronilla buried in, 279 Domitilla, two Princesses so named, martyred by Domitian, 41, 230 Doulcet,--, ref. to, 300 Dove, in Christian symbolism, 310 Drei, Benedetto, plan by, of Vatican Cemetery (ancient), 287-8 Dryden, John, poem by on S. Cecilia, 294 _n._ 1 Duchesne,--, on Christianity as equivalent to Martyrdom, 37; on _The Shepherd_ of Hermas, 179 _& n._ 1, 181; on S. Cecilia’s burial-places, 293 _n._ 1; term used by, for Church of Rome, 16 _& n._ 1 Eadburg, Queen, 279 Early Christian writers and teaching on Slavery, 135, 136-7 Ebert and others on relative dates of Tertullian and Minucius Felix, 186 Edict against Christians issued by Nero, 32, 54; of Milan, 150 Education, difficulties concerning, of Early Christians, 141-2 _Église, L’, Chrétienne_, ref. by Renan, on Hermas’s _Shepherd_, 180 _Église, L’, et l’Empire Romain_, by De Broglie, on early Christian toleration, 142-3 Egypt, _see_ Alexandria Einsiedeln, Itinerary of, _cited_, 212; date, 227 “Syllogæ” at, 230 Elders and Judges, and the Law, 339, 349 _Elements of the Faith_, by Theophilus of Antioch, 189 Eleutherius, Bishop or Pope of Rome, burial-place of, 287; list of predecessors of, 15 Elisha, prophet, on Ceremonial idolatry, 149 Emblems used in the Catacombs, 310 _et alibi_ Emperor-worship, 42 _& n._ 1, 169, 170, 181, 194, 195 England, crusade of, against Slavery, Lecky on, 135 _n._ 1 Ephesians, Epistles to, _see_ Epistles Ephesus, the “highway of martyrs,” 173