"How do you know it was Mr. Robert? Had you heard his voice before?"
"I don't take it upon myself to say that I had had any acquaintance with Mr. Robert, but seeing that it wasn't Mr. Mark, nor yet Mr. Cayley, nor any other of the gentlemen, and Miss Stevens had shown Mr. Robert into the office not five minutes before—"
"Quite so," said the Inspector hurriedly. "Mr. Robert, undoubtedly. Working in a passage?"
"That was what it sounded like, sir."
"H'm. Working a passage over—could that have been it?"
"That's right, sir," said Elsie eagerly. "He'd worked his passage over."
"Well?"
"And then Mr. Mark said loudly—sort of triumphant-like—'It's my turn now. You wait.'"
"Triumphantly?"
"As much as to say his chance had come."
"And that's all you heard?"
"That's all, sir—not standing there listening, but just passing through the hall, as it might be any time."
"Yes. Well, that's really very important, Elsie. Thank you."
Elsie gave him a smile, and returned eagerly to the kitchen. She was ready for Mrs. Stevens or anybody now.
Meanwhile Antony had been exploring a little on
