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This monograph consists of three parts. Part 1 gives a general account of the subject, ably covering the more important phases through which the doctrine of the aphasias has passed since the days of Broca. In part 2 case reports are presented and methods of examination discussed. Part 3 is given over to definitions and general terminology.
The study is based on the authors' personal experience in two hundred and forty cases. Of these, autopsy was performed in twenty-five and the diagnosis was verified at operation in thirteen and corroborated by roentgenography in two. Unfortunately, it is not stated whether the two hundred and forty cases were invariably studied with the same method. From the individual case reports it is apparent that the method of study was not strictly uniform. Comparability thus was not secured. Another defect of the investigation is the absence of serial sections in the cases in