1. Department of Biological Sciences; Marshall University; Huntington West Virginia 25755
2. Department of Anthropology, Human Origins Program; National Museum of Natural History, Smithsonian Institution; Washington 20013
3. Center for Functional Anatomy and Evolution; Johns Hopkins University School of Medicine; Baltimore Maryland 21205
4. Department of Archeology; University of Oulu; 90014 Finland
5. Department of Earth Sciences; National Museums of Kenya; Nairobi Kenya