All unconscious of the cause, and with never a look at the opposite box, he instantly complied, reproaching himself with having subjected her to this unadvisable strain on her nerves. On their arrival at their hotel she pleaded a slight indisposition from weariness of travel and at once retired. With clenched hands and white face she lay staring into the darkness. It was all plain to her now! For with an intuition that went straight to the mark, she knew who was the instigator of the report of her engagement to Lord Ellerslie; and she knew why! Curiously enough, she attached no blame to him, but she felt a deep and increasing hatred for the woman who had robbed her. There could be only one interpretation of their relations and her whole nature resented it passionately. But her love for him was very great and she was eager to give him the benefit of the doubt, even while her whole sentience shrieked his guilt. The next morning she called a bellboy and handed him a bank note upon which lay a slip of paper. "Find out for me, please," she said, with a forced smile, "the hotel where these two friends of mine are registered, without letting them know. I want to call upon them unexpectedly and surprise them." The lad bowed his appreciation of her generosity and in less than a half hour returned with the desired information. It was "dead easy to locate swells of that kind," as he shrewdly remarked to an envious colleague who had begrudged him that magnificent tip. She was all honied complaisance when she called upon Constance that morning immediately after breakfast, much to that lady's consternation and surprise. For a moment Mrs. Brevoort was speechless and panic-stricken, but she was an old campaigner and soon recovered her composure. She professed her delight at the unexpected pleasure and then boldly played a false card. "Your coming was so unexpected, dear, that it has deprived me of my good manners. I sincerely congratulate you on your engagement to Lord Ellerslie. It was a great surprise to me; I was, er--under the impression--"