1. M. C. Stiner, N. D. Munro, T. A. Surovell, Department of Anthropology, Building 30, University of Arizona, Tucson, AZ 85721, USA. E. Tchernov, Department of Evolution, Systematics and Ecology, The Hebrew University of Jerusalem, Jerusalem 91904, Israel. O. Bar-Yosef, Department of Anthropology, Peabody Museum, Harvard University, Cambridge, MA 02138, USA.