Contents include: Human Evolution Today: Which Way Next?; Species Concept in Palaeoanthropology; The Problem of Species in Hominid Evolution; Philosophical Problems in Palaeoanthropology; A Biological Basis for Generative Learning in Science; Patterns of Morphological Discrimination in the Human Talus: A Consideration of the Case for Negative Function; The Specific Status of a New Siwalik Sivapithecine Specimen and the "Primitive Derived" of the Ponginae; The Interface of Function, Genes, Development and Evolution: Insights from Primate Morphometrics.