Fortsehritte der Allergielehre (Forschung und Klinik). Unter Mitwirkung Basel und New York, 1939, S. Karger, Pg. 400 and 38 Illustrations. This work is an excellent synopsis of the present standard of ourknowledge of the allergic phenomena. It is written by some scientists andclinicians who have special experience in this field. In the first chapter theeditor of the work deals with the experimental fundamentals of allergy. Thesecond chapter, written by Hαurowitz, is devoted to the difficult

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... lem ofthe chemistry of antigenes and antibodies. By studying it carefully onebecomes aware of the great advances made in this field during the past fewyears. W. Pαgel describes in the third chapter the pathology and histology ofthe allergic phenomena which play so important a part in rheumatic conditions and most infectious diseases. The author is a master of his subjectand speaks from the great experience he has gained by his original research, particularly on the allergic phenomena in pulmonary tuberculosis. Thefollowing chapters are clinical, the principles of general diagnosis, the partwhich allergy plays in internal medicine, in children's diseases, in the morbidconditions of throat, nose and ear, of eyes, in diseases of skin and in surgeryare well described. The book concludes with reviews of the hereditary factorin allergic conditions and of the therapy of allergy, concerning the pharmaco-therapy, the non-specific and specific treatment. This work should be ofgreat value to all working and interested in the field of allergy and also tothe general practitioner. Beτbeτich, New York. Lang: Die Simulation in der Unfallmedizin. Kart. (Fγ. 4.50) Verlag Hans Huber, Bern. Es ist ein Verdienst, diese für die soziale Medizin so wichtige Frage so mutig anzupacken. Häufig werden Krankheiten und Unfälle dazu benutzt, sich unberechtigte Vorteile zu verschaffen. Nur wenn man die sozialen Einrichtungen vor solchen Falschmünzern schützt, kann man die Leistungsfähig-keit dieser Einrichtungen erhalten. Dem erfahrenen Gutachter fällt es meist nicht schwer, Simulation zu erkennen, simuliert man doch eine Krankheit so, wie man sie