Modern Problems in Psychiatry.

The purpose of this book is to indicate the lines along which efforts should be made at the present time to solve the many difficult problems of psychiatry. We commend its study to every one who has, in any way, the care of the insane. It is in no sense a text-book wherein one may find cut-and-dried classifications and clinical descriptions to enable one to label particular cases that may fall under observation, but rather a series of essays logically connected and abounding in modern scientific data and philosophical discussion. Hypotheses naturally bristle throughout the book, for the author recognizes the oft-forgotten truth that "every particular cognition is a hypothesis, which, with an increase of experience, can acquire a greater degree of probability but which can never attain to absolute certainty" (p. 55). To the student of psychiatry Lugaro's work will prove to be more helpful and practical than nine-tenths