This is a recording in a series of audio recordings by William Curtis Sturtevant, longtime Curator of North American Ethnology at the National Museum of Natural History. This is part three of an oral history conducted by Sturtevant and Shirley Gorenstein with fellow anthropologist and curator at the American Museum of Natural History, Gordon Ekholm. It was recorded May 25, 1971. Ekholm was an expert in pre-Columbian archeology of Mexico and Central America. Please view the instructions for transcribing audio collections before beginning..