Introduction : general history of the American race. The humanizing of a continent : the Americanizing of a race -- Time factors and evolution factors -- A new-world culture type -- Summing up -- Contemporary ancestry. The Pueblo Indians -- Wisdom of the past -- Indian esthetics -- Summing up -- The realm of the pick and the spade. Arch¥ological research in the southwest -- Between the mountains and the plains -- The land of cliffs and canyons -- The desert provinces of the western slope -- The irrigated provinces -- Dwellers of the inland basin.