Papers included are marriage as the cornerstone of the family system, developmental difficulties and the family system, mental health implications of family structure, delinquency and the family system, sexual delinquency among middle class girls, developing standards of sexual conduct among deprived girls, families out of wedlock, and a community project for unwed pregnant adolescents. Further discussions concern a psychodynamic view of sexual promiscuity, three typical constellations in female delinquency, an overview of the family and the female delinquent, the runaway girl, variations of incest, a case history of sexual promiscuity, the family constellation from the standpoint of various siblings, family structure, family language and the puzzled therapist, therapy for underprivileged delinquent families, and observations in therapy of the sexually delinquent female. References follow chapters. (LE)