SLEEP AND SLEEPLESSNESS. By H. Addington Bruce. Little, Brown & Co. Boston, 1915. Pp. vii, 219. This book constitutes the third volume of the "Mind and Health" Series. In it the author has given an admirable and clear summary of the recent psycho-pathological work on sleep and sleeplessness.

What I mean by believing the mirror, and breaking it, can be recorded in one case I remember; in which a realistic critic quoted German authorities to prove that Hamlet had a particular psycho-pathological abnormality, which is admittedly nowhere mentioned in the play.

But the theories in elaboration of psycho-pathological vagaries and dissociation of personality which have been substituted for the spirit hypothesis certainly do not err on the side of intelligible explication. They have but deepened the mystery and show the vista of new and unexplored paths in psychic science.

Reichenbach found certain psycho-pathological conditions to be excited by various metals and foreign bodies when brought into contact with the sensitive. These observations are extremely useful if only in producing an awareness of possible reasons for such disturbance as may occur in the conditions already cited.

Violent and muscular at first, the struggle is becoming, more and more, pacific and intellectual, notwithstanding some atavic recurrences of earlier methods or some psycho-pathological manifestations of individual violence against society and of social violence against individuals.

But there are some crimes which will not disappear, such as revolting crimes against decency due to a pathological perversion of the sexual instinct, homicides induced by epilepsy, thefts which result from a psycho-pathological degeneration, etc.

From a collection published by the Early English Text Society, 1868, pp. 182-4, 268. G. A. Coe, The Spiritual Life, p. 210. Les Perles de Saint François de Sales, 1871. Cited by Bloch, p. 111. Davenport's Primitive Traits in Religious Revivals, p. 29. See, for example, Conduct and its Disorders, by Dr. C. Mercier; Psycho-Pathological Researches, by Dr.

It is quite unnecessary, and still more undesirable, to recite at length in these lectures the social, medical, and psycho-pathological facts concerning abnormal or perverted sexual processes.