J.B.S. Haldane Centenary Lecture: J.B.S. Haldane (C.R. Rao). Population Genetics and Evolution: Haldane's Contribution to the Understanding of the Evolution of Vertebrate Immune Systems (N. Takahata, T. Gojobori). Evolution of Chemical Signals (R.L. Brahmachary et al.). Formal Genetics of Man: Segregation Analysis Using the Properties of Binomial Data (C.C. Li). Haldane and the Analysis of Linkage (J.H. Edwards). Genetic Structure and Diversity of Human Populations: Haldane and Population Structure (D.F. Roberts). Structure of Human Population in India (K.C. Malhotra, T.S. Vasulu). Genetic Epidemiology: Recent Developments in Genetic Epidemiology (N.E. Morton). Path Analysis in Genetic Epidemiology (G.P. Vogler et al.). Genes, Environment, and Disease: Neurodegenerative Disorers among the Chamorro People of Guam (R.M. Garruto, C.C. Plato). Special Lecture: How Would Haldane Have Viewed the Societal Implications of Today's Genetic Knowledge? (J.V. Neel). 10 additional articles. Index.