REVISED TO INCLUDE LEGISLATIVE AND ADMINISTRATIVE PROCEDURES NEW IN BRITAIN SINCE THE 1957 EDITION, THE TEXT INCLUDES RECENT ADVANCES IN ETIOLOGY, PATHOLOGY, AND TREATMENT OF MENTAL DEFICIENCY. CONSIDERATION OF THE BACKGROUND OF MENTAL DEFICIENCY INCLUDES HISTORICAL AND LEGAL ASPECTS, THE SOCIAL BACKGROUND OF MENTAL DEFECT, PRENATAL CAUSES OF MENTAL DEFECT, NATAL AND POST NATAL CAUSES OF MENTAL DEFECT, GENERAL PATHOLOGICAL ASPECTS, PATHOLOGY OF CERTAIN SYNDROMES, AND PSYCHOLOGICAL ASPECTS. THE DISCUSSION OF THE MENTALLY HANDICAPPED INDIVIDUAL COVERS THE BACKWARD BABY, THE EDUCATIONALLY STUBBORN CHILD, THE INEDUCABLE CHILD, THE PHYSICALLY HANDICAPPED CHILD, THE MENTALLY DISTURBED CHILD, THE ADOLESCENT AND ADULT DEFECTIVE, DOWN'S DISEASE (MONGOLISM), METABOLIC SYNDROMES, AND MORPHOLOGICAL SYNDROMES. TREATMENT AND TRAINING ARE ALSO DESCRIBED, INCLUDING MEDICAL CARE, HOME CARE, EDUCATION AND TRAINING, EMPLOYMENT AND REHABILITATION, AND ADVICE TO PARENTS. BIBLIOGRAPHIES ARE PROVIDED FOR EACH TOPIC. A TOTAL OF 120 ILLUSTRATIONS IS INCLUDED. AUTHORS WHOSE STUDIES ARE CITED THROUGHOUT THE BOOK ARE INDEXED. THIS DOCUMENT WAS PUBLISHED BY LITTLE, BROWN AND COMPANY, 34 BEACON STREET, BOSTON, MASSACHUSETTS 02106, AND IS AVAILABLE FOR $18.00. (JD)