LIST OF ILLUSTRATIONS. 



Objects of flaked and chipped Stone. 



PAGE 



Fig. 1. Flint Knife in wooden handle ; Pai-Utes 2 



Fig. 2. Obsidian Knife ; Mexico 8 



Fig. 3. Obsidian Core ; Mexico 8 



Fig. 4. Arrow-head, leaf-shaped ; semi-opal; California 9 



Fig. 5. Arrow-head, convex-sided, truncated base ; obsidian ; Mexico 9 



Fig. G. Arrow-head, triangular; jasper; New York .......... 9 



Fig. 7. Arrow-head, indented base; jasper; Oregon 9 



Fig. 8. Arrow-head, notched at the sides near the base ; jaspery agate ; Texas .... 9 



Fig. 9. Arrow-head, notched at the sides ; hornstone ; Tennessee 9 



Fig. 10. Arrow-head, notched at the sides; hornstone; Ohio 9 



Fig. 11. Arrow-head, stemmed; flint; Ohio 9 



Fig. 12. Arrow-head, stemmed ; hornstone; Pennsylvania 9 



Fig. 13. Arrow-head, stemmed; silicifled wood ; Ohio 9 



Fig. 14. Arrow-head, stemmed; hornstone; Ohio 9 



Fig. 13. Arrow-head, stemmed; quartz; District of Columbia 9 



Fig. 1C. Arrow-head, stemmed; flint; Tennessee 9 



Fig. 17. Arrow-head, stemmed; hornstone; Tennessee 9 



Fig. 18. Arrow-head, stemmed; hornstone; Tennessee 9 



Fig. 19. Arrow-head, barbed and stemmed ; hornstone ; Tennessee 9 



Fig. 20. Arrow-head, barbed and stemmed ; semi-opal ; Oregon 9 



Fig. 21. Arrow-head, barbed and stemmed; semi-opal; Oregon 9 



Fig. 22. Arrow-head, beveled on opposite sides; flint; Tennessee 9 



Fig. 23. Arrow-head, serrated ; flint; Oregon 9 



Fig. 24. Arrow-head, serrated; jasper; Louisiana 9 



Fig. 23. Arrow-head, stem bifurcated; jasper; Tennessee 9 



Fig. 26. Spear-head, convex-sided, base truncated ; chalcedony; Tennessee 11 



Fig. 27. Spear-head, concave base; jasper; California 11 



Fig. 28. Spear-head, notched near the base; flint; Kentucky 11 



Fig. 29. Spear-head, stemmed ; quart/, schist ; Pennsylvania ........ 11 



Fig. 30. Spear-head, stemmed ; flint; New York 11 



Fig. 31. Spear-head, barbed and stemmed ; milky quartz ; Louisiana 11 



Fig. 31a. Spear-head, with several notches near the base; jasper; Maine 11 



Fig. 32. Perforator, triangular; jasper; Ohio 12 



Fig. 33. Perforator, slender, expanding opposite the point ; jasper; Oregon ..... 12 



Fig. 34. Perforator, slender, broad base ; flint; Missouri 12 



Fig. 35. Perforator, indented base ; flint; Ohio 12 



Fig. 3C. Perforator, stemmed ; hornstone; Tennessee .......... 12 



Fig. 37. Perforator, elongated leaf-shape ; semi-opal; California 12 



Fig. 38. Scraper, beveled from one side: flint; Texas 13 



Fig. 39. Scraper, beveled from one side, stemmed; hornstone; Ohio ....... 13 



Fig. 40. Scraper, made of a broken arrow-head; jasper; Ohio 13 



Fig. 41. Scraper, disc-shaped, chipped all around; chalcedony; Texas 13 



