“By the sacred earth on which I kneel, by the shades that wander near me, by the deep and eternal grief that I feel, I swear; and by thee, O Night, and the spirits that preside over thee, to pursue the dæmon who caused this misery, until he or I shall perish in mortal conflict. For this purpose I will preserve my life; to execute this dear revenge will I again behold the sun and tread the green herbage of earth, which otherwise should vanish from my eyes for ever. And I call on you, spirits of the dead, and on you, wandering ministers of vengeance, to aid and conduct me in my work. Let the cursed and hellish monster drink deep of agony; let him feel the despair that now torments me.” I had begun my adjuration with solemnity and an awe which almost assured me that the shades of my murdered friends heard and approved my devotion, but the furies possessed me as I concluded, and rage choked my utterance. I was answered through the stillness of night by a loud and fiendish laugh. It rang on my ears long and heavily; the mountains re-echoed it, and I felt as if all hell surrounded me with mockery and laughter. Surely in that moment I should have been possessed by frenzy and have destroyed my miserable existence but that my vow was heard and that I was reserved for vengeance. The laughter died away, when a well-known and abhorred voice, apparently close to my ear, addressed me in an audible whisper, “I am satisfied, miserable wretch! You have determined to live, and I am satisfied.” I darted towards the spot from which the sound proceeded, but the devil eluded my grasp. Suddenly the broad disk of the moon arose and shone full upon his ghastly and distorted shape as he fled with more than mortal speed. I pursued him, and for many months this has been my task. Guided by a slight clue, I followed the windings of the Rhone, but vainly. The blue Mediterranean appeared, and by a strange chance, I saw the fiend enter by night and hide himself in a vessel bound for the