Jean-Daniel Stanley is senior scientist and director of the geoarchaeology program@the National Museum of Natural History. He has worked 20 years in Egypt and presently studies submerged settlements of the ancient Greeks near the Nile delta and off the coast of southern Italy. Address: E-206 NMNH Department of Paleobiology, Smithsonian Institution, Constitution Avenue & 10th Street N.W., Washington, D.C. 20560. Internet: stanley.daniel@nmnh.si.edu