This monograph has a foreword by Prof. E. Rominger, of Kiel, Germany, in which he stresses the necessity of making a diagnosis of feeblemindedness early and with sufficient exactness to fit the statutes dealing with health heredity. The problem is most acute in the case of children who are not obviously feebleminded but who may be able to transmit feeblemindedness to their offspring.
Dr. Vowinckel discusses the limitations of the Binet-Simon intelligence tests and describes the advantages of the development tests proposed by Bühler and Hetzer, of Vienna. The approach in the latter is similar to that first suggested by Gesell, i. e., a comparison of the performance of the child in various activities with the criteria established for development at certain age levels. As dimensions of childhood activities, the following attributes were chosen: perception, body control, social attitude, learning power, deftness in doing things with the hand and mental