not let her loyal kindness and devotion go unrewarded. This return to his "madness" broke her heart anew, and she strained him to her breast again and again and then went back, drowned in tears, to her bed.
As she lay thinking and mourning, the suggestion began to creep into her mind that there was an undefinable something about this boy that was lacking in Tom Canty, mad or sane. She could not describe it, she could not tell just what it was, and yet her sharp mother-instinct seemed to detect it and perceive it. What if the boy were really not her son, after all? O, absurd! She almost smiled at the idea, spite of her griefs and troubles. No matter, she found that it was an idea that would not "down," but persisted in haunting her. It pursued her, it harassed her, it clung to her, and refused to be put away or ignored. At last she perceived that there was not going to be any peace for her until she should devise a test that should prove, clearly and without question, whether this lad was her son or not, and so banish these wearing and worrying doubts. Ah yes, this was plainly the right way out of the difficulty; therefore she set her wits to work at once to contrive that test. But it was an easier thing to propose than to accomplish. She turned over in her mind one promising test after another, but was obliged to relinquish them all—none of them were absolutely sure, absolutely perfect; and an imperfect one could not satisfy her. Evidently she was racking her head in vain—it seemed manifest that she must give the matter up. While this depressing thought was passing through her mind, her ear caught the regular breathing of the boy, and she knew he had fallen asleep. And while she listened, the measured breathing was broken by a soft, startled cry, such as one utters in a troubled dream. This chance occurrence furnished her instantly with a plan worth all her labored tests combined. She at once set herself feverishly, but noiselessly, to work, to relight her candle, muttering to herself, "Had I but seen him
