Classification, as an object of recent anthropological scrutiny came to prominence during the 1960s, exemplified in the British (constructionist) tradition by the writings of Mary Douglas, and in the American ethno-semantics (cognitive) tradition by the likes of Harold Conklin and Brent Berlin. At the time, these approaches seemed by turns to contradict each other, or even to exist in parallel universes. However, over the last 30 years we have...