He blew his nose vigorously.

“Was your son one of the dinner party?” the inspector questioned.

Mr. Collyer looked surprised.

“Oh, er—yes, of course Tony was there. He is a favourite with his uncle and aunt.”

“Did you know that he was here this morning?”

Mr. Collyer's astonishment appeared to increase.

“Certainly I did not. I do not think he has been. I fancy you are making a mistake.”

“I think not,” the inspector said firmly. “Your son was here this morning just before twelve o'clock. He appears to have caused quite a commotion, demanding to see his uncle and announcing his intention of going to the private door and knocking at it himself.”

Mr. Collyer dropped his arm upon the table.

“But—— Good—good heavens! Did he go?”