"Then—it was a Chinaman!" cried Siler, astounded.
"It could hardly have been any other sort of man, Siler. For there is no other to whom it could be commended as a matter of such vital importance whether his mother had small feet or large, as was shown in the other sentence Mrs. Newberry repeated to us. But to a Chinaman that fact is of prime importance; for it indicates whether he is of low birth, when his mother would have had large feet, or of high, in which case his women of the last generation would have had their feet bound and made artificially smaller. It was that sentence that sent me to Mr. Ferris."
"I see—I see!" exclaimed the crest-fallen detective. "But if it was a Chinaman, then, even with that thing," he pointed to the instrument Trant had just finished arranging, "you'll never get the truth out of him. You can't get anything out of a Chinaman! Inspector Walker will tell you that!"
"I know, Siler," Trant answered, "that it is absolutely hopeless to expect a confession from a Chinaman; they are so accustomed to control the obvious signs of fear, guilt, the slightest trace or hint of emotion, even under the most rigid examination, that it had come to be regarded as a characteristic of the race. But the new psychology does not deal with those obvious signs; it deals with the involuntary reactions in the blood and glands which are common to all men alike—even to Chinamen! We have in here," the psychologist looked to the door of an inner
