The originality of the author's physiological work suggests that he might have interesting ideas to offer for new approaches, which might ultimately throw some light on the connection between physiology and psychology. It is certain, however, that in this book his enthusiasm for what he considers revolutionary discoveries has led him to draw unjustifiable and illogical conclusions from very debatable and unconfirmed premises.

Certain experimental observations have brought the author to the conclusion that central neurones are rhythmical structures which possess two sources of energy. This hypothesis forms the sole basis for a highly complicated geometric psychology. The author approaches Freudian psychology only in relation to his dualistic premises. He arbitrarily