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Rh testimony furnished by the study of the American Indians is to be admitted in settlement of the question raised concerning the history of the mound-builders in America.

First, this testimony will be found to set aside once and for all the exaggerated statements as to the high grade of civilization reached by these first Americans. It does not appear that the mound-building Indians occupied a higher plane than that reached by the Indians as first known by Europeans. One of the most exaggerated notions of these Indians is that which ascribes to them very perfect ideas of measurement; the alleged mathematical accuracy of certain of their monumental works having been cited repeatedly as a sign of their advanced stage of civilization. It has even been affirmed that their mathematical accuracy could hardly be excelled by the most skillful engineers of our day.

Recent explorations have dispelled this entertaining theory: "The statement so often made that many of these monuments have been constructed with such mathematical accuracy as to indicate not only a