Altogether, Barry was very much pleased with the way things had turned out. While he had come no nearer to solving the mystery which seemed to surround him, he had at least learned the lesson of caution, and it would be an extremely difficult matter to catch him unawares as he had been caught to-night.

He was very much annoyed, of course, at having been forced to break his engagement with Jock and the others, but that had not been his fault, and his explanation must appease them. It was only half past ten now, and perhaps he could get hold of the Yale man that night. Hamersley would certainly be entertained by a recital of the evening's experiences.

Entering the lobby of the St. Albans a little later, he was hurrying toward the telephones with that idea in mind, when one of the clerks stopped him.

"Just a moment, Mr. Lawrence," he called. "Here's a letter for you, which should have been delivered yesterday. It was sent to the St. Athol by mistake, and reached us after you went out this evening."

Barry took the letter, and stared at the unfamiliar writing in a puzzled way. Then he tore open the envelope, and hastily took out the several sheets of closely written note paper it contained. The next instant, as he caught sight of the inclosure, his heart began to beat loudly and irregularly, flooding his face with flaming crimson.

It was a crisp, new ten-dollar bill, and, though he turned the pages with slightly trembling fingers to find the signature, it really was not necessary. Deep down in his heart he knew that it was from Shirley Rives.

CHAPTER XXVII.

THE LETTER.

For a moment or two Lawrence stood there staring at the name. Then, pulling himself together, he turned on his heel, and made for the elevator. Whatever the letter contained, it was impossible to read it down there.

Once in his sitting room, he switched on the lights, and, flinging himself into a chair without even taking time to remove his coat, plunged into a perusal of the letter: