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PREFACE
bizarre, not the less fascinating because somewhat remote from modern thought.
In conclusion I have to acknowledge the courtesy of the Bureau of American Ethnology, which placed in my hands a valuable collection of illustrations and allowed me to select from these at my discretion. The pictures chosen include the drawings used as tail-pieces to chapters; others, usually half-tones, are duly acknowledged where they occur.
LEWIS SPENCE
Edinburgh: July 1913
