Contents: Preface,Evolutionary radiations in humans and great apes,Classification,distribution and ecology of Indian macaques,Quantitative and experimental approaches to primate locomotion,The morphology,variability and function of the teeth of extant primates,Primate relationships,Blood group serology of apes and monkeys,Chromosomal evolution in malagasy prosimians,Functional differences between serum protein coded by codominant alleles at the transferrin and albumin loci in Macaca mulatta.