andoned on account of insecurity, 325.
See also, _Catacombs_; _Columbaria_; _Tombs_; _Ustrinum_.

Chartres, cathedral, labyrinth, 31.

Christ, type of the early representations of, 347, 348 (cut and plate);
early traditions of his appearance, 349.

Christian archaeology, dates from the discovery of the Catacombs, 329.

Christian art, adoption of pagan symbolism, 23.

Christianity, early patrician converts in Rome, 2;
attitude of the government toward, 11;
evidence of the _graffiti_ on, 12;
difficulties and inconstancy of Christian converts, 14;
mixed marriages, 15;
friendly relations between pagans and Christians, 16;
military service under the Empire, 18;
the gradual change under Constantine, 20;
spread of Christianity under Gregory the Great, 228;
the persecutions under Nero and later emperors, 312.
See also _Church_; _Churches_; _Martyrs_.

Christians, at first identified with the Jews by the Romans, 310.

Church, adoption of pagan rites and customs, 23;
love-feasts, 42;
public granaries, 44;
flower festivals, 49;
its simple origin, 109;
adopted the institution of funeral colleges from the pagans, 117.

Churches, objects of pagan art preserved in, 23, 26;
pagan decorations not destroyed, 28;
private contributions to the decoration of churches, 30;
labyrinths in the pavements, 31;
bathing accommodations, 37;
sets of weights and measures in, 39, 41;
the great number and variety of churches, 108;
the names of churches, 109;
private oratories, 109;
the steps of the transition from private halls to regular churches, 114;
the schola as a predecessor of the Christian church, 116;
churches built over the tombs of martyrs and confessors, 119;
frequently sunk in the ground, 120;
those connected with the houses of confessors and martyrs, 158;
those formed from pagan monuments, 160.

Churches.
S. Adriano, 48.
S. Andrea, decorations, 28 (cut).
S. Andrea del Noviziato, 83.
S. Andrea al Quirinale, 84.
S. Antonio, 30.
S. Antonio all' Esquilino, 36.
SS. Apostoli, 38.
Aracoeli, 85, 360;
figures of Augustus and the Sibyl, 24;
altar previously dedicated to Isis, 27.
S. Biviana, 333.
S. Caecilia, kantharos in its court, 38, 39 (cut);
bodies of martyrs transferred to it, 326.
S. Cesareo, 36.
S. Cesareus de Palatio, 162.
Chapel of the Crucifixion, 127.
S. Clemente, fresco, 32 (plate).
S. Cosimato in Trasteve