Ethnologists of the Smithsonian Institution agree with Pope that "the proper study of mankind is man," and that no detail is too small to be recorded. Recently, in dedication to this proposition, they offered a weighty work: The Marginal Tribes—Vol. I of their monumental Handbook of South American Indians (U.S. Government Printing Office, Washington; $2.75). In its closely printed pages, readers could study the childhood of man.
Some of the "marginal tribes" have faded into legend; some have taken a bumpy ride on the tailboard of civilization, and a few still follow their ancient way of life. Ethnologists cherish them...