CONTENTS. 



PAGE 



INTRODUCTION ........... . i 



STONE ................ 7 



A. Flaked and chipped Stone .......... 7 



1. Haw Material ............ 7 



2. Irregular Flakes of Flint, Obsidian, ete., produced by a single blow . 8 



3. Two-edged narrow Flakes of Obsidian and prismatic Cores or Nuclei, 



from which such Flakes have been detached by pressure ... 8 



4. Tieces of Flint, Quartz, Obsidian, etc., roughly .llaked, and either repre 



senting rude tools, or designed to be wrought into more regular forms. 



Unfinished Arrow and Spear-heads ...... 8 



5. Arrow-heads ............ 8 



C. Spear-heads . . . . . . . . . . . 10 



7. Perforators 12 



8. Scrapers ............. 13 



y. Cutting and Sawing Implements ........ 13 



10. Dagger-shaped Implements ......... 14 



11. Leaf-shaped Implements .......... l, r &amp;gt; 



12. Large flat Implements of silicious material, usually ovoid in shape, and 



sharp around the circumference (Digging Tools) . . . . 16 



13. Large flat Implements, mostly of oval outline, but truncated and laterally 



notched at the end opposite the working edge (Digging Tools) . . Ifi 



14. Wedge or Celt-shaped Implements ........ 1&quot; 



B. Pecked, ground and polished Stone ......... 17 



1 . Wedges or Celts ........... 17 



2. Chisels ... 18 



3. Gouges ............. 18 



4. Adzes ............. 19 



5. Grooved Axes ....... .... 19 



0. Hammers ............ 21 



7. Drilled Ceremonial Weapons ......... 23 



8. Cutting Tools . . 24 



9. Scraper and Spade-like Implements ........ 25 



10. Pendants and Sinkers .......... 20 



11. Discoidal Stones and Implements of kindred Shape .... 28 



12. Pierced Tablets and Boat-shaped Articles &amp;lt;..... 32 



13. Stones used in Grinding and Polishing ....... 34 



(v) 



