In building up a scenario for the arrival on the shores of Alaska of speakers of languages related to Eskimo-Aleut with genetic roots deep within Sineria, this book touches upon a number of issues in contemporary historical linguistics and archaeology. The Arctic "gateway" to the New World, by acting as a bottleneck, has allowed only small groups of mobile hunter-gatherers through during specific propitious periods, and thus provides a unique testing ground for theories about population and language movements in pre-agricultural times. Owing to the historically attested prevalence of...