The graves, or loculi, as they are commonly designated, were, in the Christian cemeteries, with only a few exceptions (Padre Marchi produces some from the cemetery of St Ciriaca, Monium.
These loculi were usually constructed for a single body only.
11 and 12), taken from De Rossi's great work, representing two of the cubicula in the cemetery of St Calixtus, show the general arrangement of the loculi and the FIG.
In the upright walls of these galleries loculi were cut as needed to receive the dead.
Cemetery interment became a regular trade in the hands of the fossores, or grave-diggers, who appear to have established a kind of property in the catacombs, and whose greed of gain led to that destruction of the religious paintings with which the walls were decorated, for the quarrying of fresh loculi, to which we have already alluded.