Finally the doctor says very thoughtful: "Whatever became of Prentiss McMakin, Tom ?" "Dead," says Colonel Tom, "quite a while ago." "H-m," says the doctor, still thinking hard.

And then looks at Colonel Tom like they was an idea in his head.

Which he don't speak her out.

But Colonel Tom seems to understand.
"Yes," he says, nodding his head.

"I think you are on the right track now.