Structures and their Functions in Usan

Usan is a Papuan language. In this monograph on the grammatical structures of Usan and their function the author shows the unique features of this language: how speakers can exploit certain principles for communicative purposes, how the language reflects their physical environment. Uniqueness can only be shown in the context of communality with other languages. This monograph offers numerous occasions to observe similarities and differences between Usan and other language, those that can be called Papuan in particular.