This book is concerned primarily with the evidence for the validity of a genetic unit, Amerind, embracing the vast majority of New World languages. The only languages excluded are those belonging to the Na-Dene and Eskimo- Aleut families. It examines the now widely held view that Haida, the most distant language genetically, is not to be included in Na-Dene. It confined itself to Sapir's data, although the evidence could have been buttressed considerably...