  DISTRIBUTION OF PETROGLYPHS IN NORTH AMERICA. OBJECTS REPRESENTED IN PICTOGRAPHS. INSTRUMENTS USED IN PICTOGRAPHY. COLORS AND METHODS OF APPLICATION. IN THE UNITED STATES. MATERIALS UPON WHICH PICTOGRAPHS ARE MADE. IDENTIFICATION OF THE PICTOGRAPHERS. Transcriber's Note In the html version of this eBook, images with borders are linked to larger versions of the illustrations. Individual letters in square brackets were inverted in the printed text. SMITHSONIAN INSTITUTION—BUREAU OF ETHNOLOGY. PICTOGRAPHS |
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