It is not surprising that this text-book of clinical psychiatry should have reached four editions in ten years. Written in a clear, crisp style, it is well arranged and well proportioned. The various reaction types considered according to the grouping of Dr. A. Meyer are illustrated with vivid case histories which should make the subject of psychiatry absorbing and vital to the student. The latest edition has been brought very much up to date, at least in its references. The psycho-analytic contributions to the theory and treatment of the manic-depressive psychoses, schizophrenia and psycho-neurotic reaction types have received ample though somewhat indiscriminating consideration. The authors still refer to treatment as 'Freudian psycho-analytic catharsis' and definitions of psychoanalytic terms in their glossary leave much for amplification. No doubt in subsequent editions, which it seems must inevitably follow, there will be a