office, that degradation had in no way affected him. It may be that Mr. Carter's knowledge of his own usefulness was sufficient to preserve his self-respect. If, in the course of his duty, he had unpleasant things to do; if he had to affect friendly acquaintanceship with the man whom he was hunting to the gallows; if he was called upon to worm-out chance clues to guilty secrets in the careless confidence that grows out of a friendly glass; if at times he had to stoop to acts which, in other men, would be branded as shameful and treacherous, he knew that he did his duty, and that society could not hold together unless some such men as himself--clear-headed, brave, resolute, and unscrupulous in the performance of unpleasant work--were willing to act as watch-dogs for the protection of the general fold, and to the terror of savage and marauding beasts.

"Mr. Carter told me a great deal of his experience during our journey down to Winchester. I listened to him, and understood what he said to me; but I could not take any interest in his conversation. I could not remember anything, or think of anything, except the mystery which separates me from the woman I love.

"The more I think of this, the stronger becomes my conviction that I have not been the dupe of a heartless or mercenary woman. Margaret has not acted as a free agent. She has paid the penalty of her determination to force herself into the presence of Henry Dunbar. By some inexplicable means, by some masterpiece of villany and cunning, this man has induced his victim's daughter to become the champion of his innocence, instead of the denouncer of his guilt.

"There must be some hopeless entanglement, some cruel involvement, by reason of which Margaret is compelled to falsify her nature, and sacrifice her own happiness as well as mine. When she left me that day at Shorncliffe, she suffered as cruelly as I could suffer: I know now that it was so. But I was blinded then by pride and anger: I was conscious of nothing but my own wrongs.

"Three times in the course of my journey from London to Winchester I have taken Margaret's strange letter from my pocket-book, and have read the familiar lines, with the idea of putting entire confidence in my companion, and placing the letter in his hands. But in order to do this I must tell him the story of my love and my disappointment; and I cannot bring myself to