POPULATION, EVOLUTION AND BIRTH CONTROL: A COLLAGE OF CONTROVERSIAL READINGS: Garrett Hardin editor. W. H. Freeman & Co., 1964, 341 pp. POPULATION: THE VITAL REVOLUTION: Ronald Freedman, editor. Anchor Books, Doubleday and Co., Garden City, N. Y., 1964. HUMAN FERTILITY AND POPULATION PROBLEMS: Roy O. Greep, editor. Schenk‐man Publishing Company, Cambridge, Mass., 1964, 278 pp., $2.65, paper. SOCIAL ANTHROPOLOGY AND OTHER ESSAYS: E. E. Evans‐Pritchard. Free Press of Glencoe, New York, 1964, 354 pp., $2.45.