REGIONAL MODEL LIFE TABLES AND STABLE POPULATIONS: Ansley J. Coale and Paul Demeny. Princeton University Press, Princeton, New Jersey, 1966, pp. xiii, 43, plus 871 with tables, $20.00. GENETICS AND SOCIAL BEHAVIOR OF THE DOG: John Paul Scott and John L. Fuller. University of Chicago Press, 1965 p. 468, $12.50. BIRTH RATES IN LATIN AMERICA: NEW ESTIMATES OF HISTORICAL TRENDS AND FLUCTUATIONS. O. Andrew Collver. Research Series No. 7, Institute of International Studies, University of California, Berkeley, 1965, pp. 187, $2.50. WORLD POPULATION: PAST GROWTH AND PRESENT TRENDS: A. M. Carr‐Saunders. Frank Cass & Co., Ltd., London, 1964, xv + 336 pp., 45 shillings. DEMOGRAPHIC PROFILES OF AN URBAN POPULATION: V. P. Pethe. Popular Prakashan, Bombay, 1965, 144 pp. CHROMOSOMES, GIANT MOLECULES, AND EVOLUTION: Bruce Wallace. W. W. Norton & Co., Inc., New York, 1966, xi + 171 pp., illus., $1.95.
