Meanwhile, there fell a shadow upon Greylock, and everybody in it. Belle's devoted little lover, Margaret's little pearl, fell sick. Only the mother observed the change in her at first, it was so nearly imperceptible; but as time passed, all had to own that there was a mysterious change, with no marked symptom of disease, except increasing silence and lassitude. Everybody's virtue came to the front now. They told her stories, they sang to her, her father and uncles walked the floor with her by the hour together when a strange restlessness was soothed by it. The elder children moved about the house on tiptoe; the younger ones, not quite up to the situation, but impressed by it, whispered to each other that they would play the "softest plays" they knew. The physician, early called in, was puzzled and helpless. Yet all were full of hope save Mrs. Grey and Belle. They did not tell each other what they feared, yet each saw it in each other's eyes. As the little creature became increasingly nervous and sensitive to noise, it was obvious that the household must be reduced in numbers, and, very reluctantly, most of them departed for their own homes. Margaret's inexperience with children kept her long free from grave anxiety. There were days when Mabel would brighten and become as animated as ever; a new toy would give her pleasure, and she would take it to bed with her. Such days encouraged her inordinately. "How strange it is that the doctor does not give her a tonic, when he sees how weak she is!" she kept saying. "Nothing ails her but want of strength." She and Belle divided the nursing between them, and the one was as tender and devoted as the other, with this difference: Margaret was full of hope, and Belle full of misgivings. "_Where_ are you sick, my darling?" she asked, again and again, and the plaintive, weary little voice invariably answered: "Nowhere; only _so_ tired, _so_ tired." "Cyril, I can't bear this suspense any longer," Belle said, at last. "As soon as I know what God wants of me, He shall have it, if it breaks my heart. You must make the doctor tell what he thinks." "He seems completely puzzled," was the reply. "But I will ask him; and if it would be any relief to you, request a consultation." "It would be a great relief. Cyril, Mabel is _very_ ill." "My dear, you exaggerate the matter. I have seen any number of sicker children, and known them to get well. I don't see, as Margaret says, why no tonic is given her." "You will find out, if the doctor is frank with you. If my fears are well founded I know the reason." "I did not know you had any definite fear." "I have; and so has mamma, though she has not said so. We think there is some insidious disease on the brain." "The brain!" he repeated. "Oh, Belle, what would you do without your devoted little worshipper?" "What every one does who believes in Christ," said Belle, bursting into tears.