Human service delivery systems are the focus of problems and controversy in 1973. The systems that pertain to mental health and illness have incorporated many of the innovations in organization, delivery, and administration that appeared in the 1950s and 1960s. The author argues that these may evolve into arrangements in which mental health delivery is either separate (as in the community mental health center) or integrated in varying degrees with other health care systems and that the choice of arrangements will affect the training of psychiatrists.Abstract Teaser