[CHAPTER XX.—THE DREADFUL MISTAKE.—THE TERRIFIC INTERVIEW IN THE CHAMBER.—THE ATTACK OF THE VAMPYRE.]

[CHAPTER XXI.—THE CONFERENCE BETWEEN THE UNCLE AND NEPHEW, AND THE ALARM.]

[CHAPTER XXII.—THE CONSULTATION.—THE DETERMINATION TO LEAVE THE HALL.]

[CHAPTER XXIII.—THE ADMIRAL'S ADVICE TO CHARLES HOLLAND.—THE CHALLENGE TO THE VAMPYRE.]

[CHAPTER XXIV.—THE LETTER TO CHARLES.—THE QUARREL.—THE ADMIRAL'S NARRATIVE.—THE MIDNIGHT MEETING.]

[CHAPTER XXV.—THE ADMIRAL'S OPINION.—THE REQUEST OF CHARLES.]

[CHAPTER XXVI.—THE MEETING BY MOONLIGHT IN THE PARK.—THE TURRET WINDOW IN THE HALL.—THE LETTERS.]

[CHAPTER XXVII.—THE NOBLE CONFIDENCE OF FLORA BANNERWORTH IN HER LOVER.—HER OPINION OF THE THREE LETTERS.—THE ADMIRAL'S ADMIRATION.]

[CHAPTER XXVIII.—MR. MARCHDALE'S EXCULPATION OF HIMSELF.—THE SEARCH THROUGH THE GARDENS.—THE SPOT OF THE DEADLY STRUGGLE.—THE MYSTERIOUS PAPER.]

[CHAPTER XXIX.—A PEEP THROUGH AN IRON GRATING.—THE LONELY PRISONER IN HIS DUNGEON.—THE MYSTERY.]