Language in the AmericasThis 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