CONTENTS. 



Preface ... 



Introduction 



Chapter I. — The Geographical Distribution of the Shell 

 Purple Industry 



Chapter II. — Shell-Trumpets and their Distribution in the 

 Old and New World 



Chapter III.— The Geographical Distribution of the use oi 

 Pearls and Pearl-Shell 



Chapter IV. — The use of Cowry-Shells for the Purposes 

 Currency, Amulets, and Charms ... 



Appendix I. 



Appendix II 



Bibliography .. ... ... 



Index 



30 



70 



195 

 207 

 209 

 211 



