the child who expressed surprise at the fact that rivers or bodies of water are always located conveniently near great cities. Suppose every one had had engrained in his mind the notion that cities, like rivers, are works of nature. Suppose it was then suddenly ascertained that cities were man made and were located near bodies of water in order that the activities of men in industry and com- merce might be better carried on and human purposes and needs be better served. We can imagine that the discovery would bring with it ashock. It would be upsetting because