CHAPTER XII
No Russians dwelt within the Cave of Mercury. It was inconveniently remote; it was difficult of approach; moreover, it was haunted. Dreadful rites had been performed there, in olden times. The walls had dripped with human gore. Death-groans of victims slain by the priestly knife resounded in its hollow entrails. Such had been the legend in the days of those monkish chroniclers in whose credulous pages Monsignor Perrelli, incredulous himself, had discovered a mine of curious information.
Then came the Good Duke Alfred. His Highness posed as a conservative in some matters; it pleased him to revive memories of the long-buried past. He cared little about ghosts. He liked to take things in hand. After remarking in his brisk epigrammatic fashion that "not everything old is putrid,"
