"I was only wondering sir. Shall I show you the next in order?"
"Certainly."
They moved on up the passage.
Drawing blank at the last dormitory, Mr. Downing paused, baffled. Psmith waited patiently by. An idea struck the master.
"The studies, Smith," he cried.
"Aha!" said Psmith. "I beg your pardon, sir. The observation escaped me unawares. The frenzy of the chase is beginning to enter into my blood. Here we have—"
Mr. Downing stopped short.
"Is this impertinence studied, Smith?"
"Ferguson's study, sir? No, sir. That's farther down the passage. This is Barnes's."
Mr. Downing looked at him closely. Psmith's face was wooden in its gravity. The master snorted suspiciously, then moved on.