The vision seemed to affect him profoundly.

He did not speak for fully a minute, and, when speech came, his voice was low and strained.
"Tell me everything you know," he said.

"The Scotland Yard men took an unusual step in admitting you to their conclave.

They must have had some motive.

Tell me what they said, their very words, if you can recall them." Theydon was uncomfortably aware of a strange compulsion to obey.