Gerardo Reichel-Dolmatoff spent much of his life studying the oral culture of the Tukano Indians in the Northwest Amazon, including twenty years simply learning the four key Tukanoan languages. Through his translations and commentaries of the yurupar fertility mythologem and ritual complex, Tukano oral art is revealed as an important expression of tribal philosophical and religious thought. The four Tukano "texts" in this volume "speak of...