might easily have passed unnoticed, as it passed Miss Waldron, had not the letters fallen into the hands of one who, like myself, is interested in the manifestations of mind. For different minds are so constituted that inevitably their processes run more easily along certain channels than along others. Some minds have a preference, so to speak, for a particular type of impression; they remember a sight that they have seen, they forget the sound that went with it; or they remember the sound and forget the sight. There are minds which are almost wholly ear-minds or eye-minds. In minds of the visual, or eye, type, all thoughts and memories and imaginations will consist of ideas of sight; if of the auditory type, the impressions of sound predominate and obscure the others.
"The first three letters you handed me, Miss Waldron," the psychologist turned again to the girl, "were those really written by Howard Axton. As I read through them I knew that I was dealing with what psychologists call an auditory mind. When, in ordinary memory, he recalled an event he remembered best its sounds. But I had not finished the first page of the fourth letter when I came upon the description of the body lying on the sand—a visual memory so clear and so distinct, so perfect even to the pockets distended with sand, that it startled and amazed me—for it was the first distinct visual memory I had found. As I read on I became certain that the man who had written the first three letters—who described a German as guttural and remembered the American as nasal—could never have written the fourth. Would that first man
