Mental Health and Environment, by Lord Taylor and Sidney Chave, is one of a number of studies published in the last decade dealing with the epidemiology of mental illness.1-5 Since there are not yet conclusive data concerning the definite diagnosis of various types of mental illnesses in different cultures, the determination of prevalence and incidence of such illnesses is necessarily incomplete. Comparison of different studies is made even more difficult by the real lack of comparable categories for analyzing the data. In order to get any view of current thinking, each of several studies must be examined; thus, one can seek to gain some small insight into the pattern of a total fabric which is still being woven. In this context, examination of Lord Taylor's work reveals several advantages, and to this reviewer, at least, one major disadvantage.
The clarity of the presentation of epidemiologic material is impressive. A