their martyred dead, to their last long resting-place; we decipher the touching record of their sorrow, of the holy hopes by which they were sustained, of "their faith triumphant o'er their fears," and of their assurance of the resurrection of the dead and the life everlasting. We read in the testimony of the Catacombs the confession of faith of the early Christians, sometimes accompanied by the records of their persecution, the symbols of their martyrdom, and even the very instruments of their torture. For in these halls of silence and gloom slumbers the dust of many of the martyrs and confessors, who sealed their testimony with their blood during the sanguinary ages of persecution; of many of the early bishops and pastors of the Church, who shepherded the flock of Christ amid the dangers of those troublous times; of many who heard the words of life from teachers who lived in or near the apostolic age, perhaps from the lips of the apostles themselves. Indeed, if we would accept ancient tradition, we would even believe that the bodies of St. Peter and St. Paul were laid to rest in those hallowed crypts- a true terra sancta, inferior in sacred interest only to that rock-hewn sepulchre consecrated evermore by the body of Our Lord. These reflections will lend to the study of the Catacombs an interest of the highest and intensest character.

It is impossible to discover with exactness the extent of this vast necropolis on account of the number and intricacy of its tangled passages. That extent has been greatly exaggerated, however, by the monkish ciceroni, who guide visitors through these subterranean labyrinths. There are some forty-two of these ceme

* Even so accurate and philosophical a writer as the late Professor Silliman reports on their authority that the Catacombs extend twenty

teries in all now known, many of which are only partially accessible. Signor Michele De Rossi, from an accurate survey of the Catacomb of Callixtus, computes the entire length of all the passages to be eight hundred and seventy-six thousand mètres, or five hundred and eighty-seven geographical miles, equal to the entire length of Italy, from Ætna's fires to the Alpine snows.

The entrance to the abandoned Catacomb is sometimes a low-browed aperture like a fox's burrow, almost concealed by long and tangled grass, and overshadowed by the melancholy cypress or gray-leaved ilex. Sometimes an ancient arch can be discerned, as at the Catacomb of St. Priscilla,* or the remains of the chamber for the celebration of the festivals of the martyrs, as at the entrance of the Cemetery of St. Domitilla. In a few instances it is through the crypts of an ancient basilica, as at St. Sebastian, and sometimes a little shrine or oratory covers the descent, as at St. Agnes,† St. Helena, and St. Cyriaca. In all cases there is a stairway, often long and steep, crumbling with time and worn with the feet of pious generations. The following illustration shows the entrance to the Catacomb of St. Prætextatus on the Appian Way, trodden in the primitive ages by the early martyrs and confessors, or perhaps by the armed soldiery of the oppressors, hunting to earth the persecuted flock of Christ. Here, too, in medieval times, the

miles, to the port of Ostia, in one direction, and to Albano, twelve miles, in another. Visit to Europe, vol. i, p. 329. This is impossible, as will be shown, on account of the undulation of the ground, and the limited area of the volcanic tufa in which alone they can be excavated. The number of distinct Catacombs has also been magnified to sixty; and Father Marchi estimated the aggregate length of passages to be nine hundred miles.

* Fig. 1.

+ Fig. 30.

+ Fig. 29.

vated in the volcanic rock which abounds in the neighborhood of Rome. It is a granulated, grayish breccia, or tufa, as it is called, of a coarse, loose texture, easily cut with a knife, and bearing still the marks of the mattocks with which it was dug. In the firmer volcanic rock of Naples the excavations are larger and loftier than those of Rome; but the latter, although they have less of apparent majesty, have more of funereal mystery. The Catacombs consist essentially of two parts-corridors and chambers, or cubicula. The corridors are long, narrow and intricate pas.

sages, forming a complete underground net-work. They are for the most part straight, and intersect each other at approximate right angles. The accompanying

Fig. 3.-Part of Catacomb of Callixtus.

map of part of the Catacomb of Callixtus will indicate the general plan of these subterranean galleries.

The main corridors vary from three to five feet in width, but the lateral passages are much narrower, often

affording room for but one person to pass. They will average about eight feet in height, though in some places as low as five or six, and in others, under peculiar circumstances, reaching to twelve or fifteen feet. The ceiling is generally vaulted, though sometimes flat; and the floor, though for the most part level, has occasionally a slight incline, or even a few steps, caused by the junc

tion of areas of different levels, as hereafter explained. The walls are generally of the naked tufa, though sometimes plastered; and where they have given way are occasionally strengthened with masonry. At the corners of these parages there are frequently niches, in