The science of archeology has contributed to our knowledge some of the most fascinating chapters in culture history, for it has brought to light, from the night of the past, periods of human development hitherto unrecorded. As the paleontologist through his method has revealed faunas whose like were formerly unknown to the naturalist, the archeologist by the use of the same method of research has resurrected extinct phases of culture that have attained a high development and declined before recorded history began. No achievements in American anthropology are more striking than those that, from a study of human buildings and artifacts antedating the historic period, reveal the existence of an advanced prehistoric culture of man in America.