Classifications of the languages spoken by people in corners of the regional landscapes of the Papua New Guinea Highlands have exercised the attention of linguists interested in the long-term cultural history of the Highlands. The population known as the Bogaiya or Bogaia near to the Strickland River in the Southern Highlands Province are a case in point. Linguistically, affinities between their language and that of the Duna, their neighbors across the Muller Range, have been broached. In cultural terms, through our own fieldwork among the Aluni Valley Duna and in Yeru close to the Strickland, we have also found a range of ideas and ritual practices that link these particular Duna and the Bogaiya, especially practices relating to a Female S...