I wondered by what mysterious train of reasoning he had arrived at this conclusion. He said nothing for a while, but toyed with the spokes of the wheel, keeping the wind in the sail with undue nicety.
“I can't make them out,” he said, all at once.
“Then you believe they're after us?”
“I changed the course a point or two, just to try them.”
“And—”
“And they changed theirs.”
“Who could have informed?”
“Drew, of course,” I said; “who else?”
He laughed.
“Drew doesn't know anything about Allen,” said he; “and, besides, he's no more of a detective than I am.”