CHAPTER XVIII. MISS LADD. Arriving at the cottage, Doctor Allday discovered a gentleman, who was just closing the garden gate behind him. “Has Miss Emily had a visitor?” he inquired, when the servant admitted him. “The gentleman left a letter for Miss Emily, sir.” “Did he ask to see her?” “He asked after Miss Letitia’s health. When he heard that she was dead, he seemed to be startled, and went away immediately.” “Did he give his name?” “No, sir.” The doctor found Emily absorbed over her letter. His anxiety to forestall any possible discovery of the deception which had concealed the terrible story of her father’s death, kept Doctor Allday’s vigilance on the watch. He doubted the gentleman who had abstained from giving his name; he even distrusted the other unknown person who had wri