Mr. van der Luyden advanced to give her his arm, and Archer turned to Mrs. van der Luyden. For a moment, in the billowy darkness inside the big landau, he caught the dim oval of a face, eyes shining steadily—and she was gone.

As he went up the steps he crossed Lawrence Lefferts coming down with his wife. Lefferts caught his host by the sleeve, drawing back to let Gertrude pass.

"I say, old chap: do you mind just letting it be understood that I'm dining with you at the club tomorrow night? Thanks so much, you old brick! Good-night."

"It DID go off beautifully, didn't it?" May questioned from the threshold of the library.

Archer roused himself with a start. As soon as the last carriage had driven away, he had come up to the library and shut himself in, with the hope that his wife, who still lingered below, would go straight to her room. But there she stood, pale and drawn, yet radiating the factitious energy of one who has passed beyond fatigue.

"May I come and talk it over?" she asked.

"Of course, if you like. But you must be awfully sleepy—"

"No, I'm not sleepy. I should like to sit with you a little."

"Very well," he said, pushing her chair near the fire.

She sat down and he resumed his seat; but neither spoke for a long time. At length Archer began abruptly: "Since you're not tired, and want to talk, there's something I must tell you. I tried to the other night—."