THERE is an increasing appreciation of ecology as a fundamental construct in the study of human problems. In a review of relevant experimental literature, Hunt¹ has concluded that the major variation in behavior is not due to "... individual differences in subjects per se, nor the variations among situations per se. It is, rather, the interactions among these which are important." From the context of the emerging field of community mental health, Kelly,² Klein,³ and Kalis⁴ have emphasized the relevance of ecological considerations for community psychology. This recognition of the "mutuality" between persons and their environments has slowly become explicit in research design.^5,6

Nowhere are human-community problems more acute than in the heavily populated metropolitan centers.⁷ Two examples of

widespread urban problems are suicide and alcoholism. The present communication represents a preliminary attempt to assess whether these two problems are interrelated and, if so, in