PROLOGUE TO THE THIRD STORYIt was a sad day for me when Mr. Lanfray, of Rockleigh Place, discovering that his youngest daughter's health required a warm climate, removed from his English establishment to the South of France. Roving from place to place, as I am obliged to do, though I make many acquaintances, I keep but few friends. The nature of my calling is, I am quite aware, mainly answerable for this. People cannot be blamed for forgetting a man who, on leaving their houses, never can tell them for certain when he is likely to be in their neighborhood again. Mr. Lanfray was one of the few exceptional persons who always remembered me. I have proofs of his friendly interest in my welfare in the shape of letters which I treasure with grateful care. The last of these is an invitation to h