Migration of classic symbols 960 The sacred tree of the Assyrians 960 The sacred cone of Mesopotamia 960 The _Crux ansata_, the key of life 961 The winged globe 961 The caduceus 962 The trisula 963 The double-headed eagle on the escutcheon of Austria and Russia 963 The lion rampant of Belgium 963 Greek art and architecture 964 The Greek fret 965 VII.--PREHISTORIC OBJECTS ASSOCIATED WITH THE SWASTIKA, FOUND IN BOTH HEMISPHERES, AND BELIEVED TO HAVE PASSED BY MIGRATION. Spindle whorls 966 Europe 967 Switzerland--Lake dwellings 967 Italy 968 Wurtemburg 968 France 968 North America--pre-Columbian times 969 Mexico 970 Central America 971 Nicaragua 971 South America 972 Chiriqui 972 Colombia 972 Peru 972 Bobbins 975 Europe 975 United States 975 VIII.--SIMILAR PREHISTORIC ARTS, INDUSTRIES, AND IMPLEMENTS IN EUROPE AND AMERICA AS EVIDENCE OF THE MIGRATION OF CULTURE. 977 CONCLUSION 981 BIBLIOGRAPHY 984 LIST OF ILLUSTRATIONS 997 THE SWASTIKA, THE EARLIEST KNOWN SYMBOL, AND ITS MIGRATIONS; WITH OBSERVATIONS ON THE MIGRATION OF CERTAIN INDUSTRIES IN PREHISTORIC TIMES. [Illustration] By THOMAS WILSON, _Curator, Department of Prehistoric Anthropology, U. S. National Museum_. PREFACE.