Human ecology has as its field man in his functional relation to the whole of his environment—climatic, geological, botanical, biological and social: it embraces all possible sciences of man. For this reason, Professor

Bews' book helps to correct the one-sidedness that specialization is liable to bring. But the treatment of individual topics is inevitably scanty.

A few pages are devoted to psychology. The work of Freud, Jung and Adler, is briefly summarized; but without much comment, except that some of the theoretical conclusions of both Freud and Jung are attributed to a personal 'fondness for dichotomy'.