Origin and Diversification of Language

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The Third Wattis Symposium in Anthropology and this volume would not have been possible without the support of many devoted individuals. Mrs. Phyllis Wattis herself deserves greatest thanks for her continued generous financial support and her inspiring enthusiasm, which seems only to increase from one symposium to another. Within the California Academy of Sciences itself, Nancy Gee of the Department of Anthropology is thanked for the work she contributed toward the organization of the symposium, but most especially for her painstaking work in typesetting this volume.