“…During much of that time, responsibility for mentally handicapped individuals of all ages lay with the socalled Special Care Service (for more details, see Scally & MacKay, 1964b). In four of the surveys (Scally & MacKay, 1964a;MacKay, 1971;McDonald & MacKay, 1978;McDonald, 1978) the age-specific prevalence rates were generally higher than those reported for elsewhere. In only one (Elwood & Darragh, 1981) were the findings said to be unremarkable.…”