“Yes,” he admitted, “that is so. But their identification is a point that requires further investigation. And it is a vitally important point. I have my own hypothesis as to what took place, but that hypothesis will have to be tested; and that test will be what the logicians would call the Experimentum Crucis. It will settle one way or the other whether my theory of this case is correct. If my hypothesis as to their identification is true, there will be nothing left to investigate. The case will be complete and ready to turn over to Miller.”
I listened to this statement in complete bewilderment. Thorndyke’s reference to “the case” conveyed nothing definite to me. It was all so involved that I had almost lost count of the subject of our investigation.
“When you speak of ‘the case,’” said
