THIS report is concerned with the clinical study of 2,500 children with convulsions who have been seen in a private office and in hospital practice over a period of twenty years. It does not include a large series of patients seen in a large clinic previously, whose cases were reported elsewhere, nor does it include patients seen in homes or in outlying hospitals where facilities and circumstances did not permit adequate studies to establish completely satisfactory diagnoses. The first 1,000 cases of the present series have been reported and have formed the basis for the first classification of convulsions in childhood to be presented in the literature.1 This study has been presented in many centers, and it was illustrated with the first moving picture film
depicting the clinical features of the various types of convulsions.2 The clinical value of this study has been amply established. The reliability of