There remains much about anxiety which is far from clear in spite of an appreciable amount of research and a large literature upon the subject. There is a universal defect of comprehension, with an attendant sense of helplessness in the dealing with anxiety states. Not only is the family physician often helpless but even the psychiatrist who may be asked to aid, is often found wanting. Hence any contribution to the problem is to welcome, either one that may advance knowledge, deepen insight, or enhance skill in dealing with the many problems connected with anxiety states.

Dr. Störring is Privat-Dozent in the Psychiatric Klinik at Munich and in the present monograph of 117 pages would essay to accomplish some of these desiderata. A short note on normal anxiety states which is largely historical is used as an opener. In the earlier literature, which is only of the past 50 years, particularly in Darwin, Fear and Anxiety are not differentiated. Mosso, Ribot, McDougall and others