false impressions, necessitated a reorientation of their own viewpoints and their own lives. Sooner or later they became exhausted or careless. Then, and not until then, was an investigator able to put his finger on the one fact that would lead him to a possible logical solution. It is interesting to note that success in keeping up a respectable front of customary kind can only be done by a frantic scramble back of the façade. After the crime, after the blow has fallen, the façade of custom can only be held up by swift rearrangement of the props. So it is in our social lives when a new technology strikes, or in our private life when some intense and, therefore, indigestible experience occurs, and the censor acts at once to numb us from the blow and to ready the faculties to assimilate the intruder. Peter Cheyney’s observations of a mode of detective fiction is another instance