II. The attitude of Psychical Research; its relation
to Psychology 50
III. Types of interest in Psychical Research: the occult
interest; the psychological interest; practical
applications of "psychical" investigations; the
explanatory interest; the investigative interest;
the anthropological interest 56
IV. The content of the problems of Psychical Research:
hypnotism; subconscious activities; hallucinations;
telepathy 66