2004a-343 anatomy anthropology anthropometry antiquities apes archaeology biologicalevolution cephalometry dentalanthropology fossilhominids gn209r515m2003 histology history hominidae humanbeings illinois indians indiansofnorthamerica indiansofsouthamerica mandibularcondyle mandibularramus medicine mississippianculture northamerican paleodontology peru physical physiology trephining variation woodlandindians