Bone was a common raw materil for artifact manufacture from Upper Palaeolithic times. For certain classes of artifacts selection for particular bones is necessary. Because bones vary acording to biological processes, one can analyze raw-material selection in biological terms using zooarchaeologycal methods. Analysis of an assemblage containing waste from a Saxon boneworker's workhhop in southern England demonstrates strong preference for particular bones of particular species, and also demonstrates that selection for bones from animals of particular ages and sex occurred. The effects of this selection on the unmodified faunal assemblage are discussed and inferences on other aspects of the local economy are made.