This is a reproduction (facsimile) of the original book published in 1847. It is difficult now to realise the impression which must have been made upon the first explorers of this subterranean city. A vast necropolis, rich in the bones of saints and martyrs; a stupendous testimony to the truth of Christian history, and, consequently, to that of Christianity itself; a faithful record of the trials of a persecuted Church; such were the objects presented to their view and so great was the enthusiasm with which they devoted themselves to the research, that two of the earliest writers on the...