another relative recent contribution to the morphological distinctions between these species is > Gee H (1993) The distinction between postcranial bones of Bos > primigenius > Bojanus 1827 and Bison priscus Bojanus 1827 from the British > Pleistocene and > the taxonomic status of Bis and Bison. Journal of Quaternary Science > 8(1), > 79-92. cheers Jaco Dr. Jaco Weinstock Ancient Biomolecules Centre Dept. of Zoology, University of Oxford South Parks Road OX1 3PS UK