Sherlock Holmes listened with the deepest attention to this singular narrative.

“What did you do?” he asked.

“I wired to Cambridge to learn if anything had been heard of him there. I have had an answer. No one has seen him.”

“Could he have got back to Cambridge?”

“Yes, there is a late train—quarter-past eleven.”

“But, so far as you can ascertain, he did not take it?”

“No, he has not been seen.”

“What did you do next?”

“I wired to Lord Mount-James.”

“Why to Lord Mount-James?”