Part I. The Evolution of Cooperative Communication: 1. Introduction: the evolution of cooperative communication Chris Knight, 2. Comprehension, production and conventionalization in the origins of language Robbins Burling, 3. Co-operation, competition and the evolution of pre-linguistic communication Jason Noble, 4. Language and hominid politics Jean-Louis Dessalles, 5. Secret language use at female initiation: bounding gossiping communities Camilla Power, 6. Play as precursor of phonology and syntax Chris Knight, Part II. The Emergence of Phonetic Structure: 7. Introduction: the emergence of phonetic structure Michael Studdert-Kennedy, 8. The role of mimesis in infant language development: evidence for phylogeny? Marilyn M. Vihman and Rory A. DePaolis, 9. Evolution of speech: the relation between ontogeny and phylogeny Peter J. MacNeilage and Barbara L. Davis, 10. Evolutionary implications of the particulate principle: imitation and the dissociation of phonetic form from semantic function Michael Studdert-Kennedy, 11. Emergence of sound systems through self-organisation Bart de Boer, 12. Modelling language-physiology coevolution Daniel Livingstone and Colin Fyfe, Part III. The Evolution of Syntax: 13. The emergence of syntax James R. Hurford, 14. The spandrels of the linguistic genotype David Lightfoot, 15. The distinction between sentences and noun phrases: an impediment to language evolution? Andrew Carstairs-McCarthy, 16. How protolanguage became language Derek Bickerton, 17. Holistic utterances in protolanguage: the link from primates to humans Alison Wray, 18. Syntax without natural selection: how compositionality emerges from vocabulary in a population of learners Simon Kirby, 19. Social transmission favours linguistic generalization James R. Hurford, 20. Words, memes and language evolution Robert P. Worden, 21. On the reconstruction of proto-world' word order Frederick J. Newmeyer, Epilogue, 22. The history, rate and pattern of world linguistic evolution Mark Pagel.