Acknowledgements -- General Editor's Preface -- Introduction -- Resource Competition, Monopoly, and Socioracial Diversity -- Ethnic Boundary Maintenance, Readaptation, and Societal Evolution in the San Blas Islands of Panama -- Jungle Quechua Ethnicity: An Ecuadorian Case Study -- Ethnicity and Class in Highland Peru -- Ethnicity and Resource Competition in Guyanese Society -- Resource Competition and Inter-Ethnic Relations in Nigeria -- Competition Within Ethnic Systems in Africa -- Ethnogenesis and Resource Competition Among Tibetan Refugees in South India -- Toward a Theory of Ethnic Phenomena -- Biographical Notes -- Index of Names -- Index of Subjects.