CHAPTER XVI.
IN THE TWILIGHT.
If Sylvia needed another trial to make that hard week harder, it soon came to her in the knowledge that Warwick watched her. She well knew why, and vainly endeavored to conceal from him that which she had succeeded in concealing entirely from others. But he possessed the key to her variable moods; he alone knew that now painful forethought, not caprice dictated many of her seeming whims, and ruled her simplest action. To others she appeared busy, gay, and full of interest in all about her; to him, the industry was a preventive of forbidden thoughts; the gayety a daily endeavor to forget; the interest, an anxiety concerning the looks and words of her companions, because she must guard her own.
Sylvia felt something like terror in the presence of this penetrating eye, this daring will, for the vigilance was unflagging and unobtrusive, and with all her efforts she could not read his heart as she felt her own was being read. Adam could act no part, but bent on learning the truth for the sake of all, he surmounted the dangers of the situation by no artifice, no rash indulgence, but by simply shunning solitary interviews with Sylvia as carefully as the courtesy due his hostess would allow. In walks and drives, and general conversation, he bore his part, surprising and
