emblematic mounds, [400];

the most ancient, [402];

believed to be of the Indian race, [400], [401], [402];

earliest advocates of this view, [400];

vanished race view, [400], [401], [402];

Great Serpent mound, [401];

no clue to their language, [401];

mounds in New York built by the Iroquois, [402];

date of their living, [402];

divisions of the United States by their characteristics, [402];