Viii LIST OF ILLUSTKATIONS. 



PAGE 



Fig. 42. Flake (knife); jasper; Kentucky , 14 



Fig. 43. Cutting Tool, with stems opposite the convex edge; flint; California ..... 14 



Fig. 44. Cutting Tool, sickle-shaped; jasper; California 14 



Fig. 45. Cutting Tool, crescent-shaped ; lydite ; Pennsylvania 14 



Fig. 46. Cutting Tool, arrow-head-shaped; jasper; Tennessee 14 



Fig. 47. Cutting Tool, arrow-head-shaped; semi-opal; Georgia 14 



Fig. 48. Cutting Tool, oval; hornstoue ; Maine 14 



Fig. 49. Dagger; flint; Alabama 15 



Fig. 50. Leaf-shaped Implement, pointed at one end ; flint ; Ohio 15 



Fig. 51. Leaf-shaped Implement, broad, pointed at both ends; jasper; Louisiana .... 15 



Fig. 52. Leaf-shaped Implement, slender, pointed at both ends ; flint; Ohio ..... 15 



Fig. 53. Leaf-shaped Implement, large, pointed at one end ; hornstone ; Illinois .... 15 



Fig. 54. Large Implement of oval outline (digging tool) ; fine-grained quartzite; Tennessee . . 16 



Fig. 54a. Large Implement, with broad convex working edge, truncated at the opposite end (digging 



tool) ; fine-grained quartzite ; Illinois 16 



Fig. 55. Large Implement, oval, truncated and laterally notched at the end opposite the working 



edge (digging tool) ; Cue-grained quartzite ; Illinois 16 



Objects of pecked, ground and polished Stone. 



Fig. 5G. Celt, small; hematite; Ohio 17 



Fig. 57. Celt, four-sided; greenstone; Indiana 17 



Fig. 58. Celt, broad butt-end ; syenite; Illinois 17 



Fig. 59. Celt, battered butt-end; greenstone; Tennessee 17 



Fig. GO. Celt, tapering butt-end ; indurated chlorite slate ; Tennessee .... .17 



Fig. 61. Celt, expanding cutting edge; cast; Louisiana ......... 17 



Fig. 62. Celt, terminating in a handle opposite the edge; greenstone; North Carolina ... 17 



Fig. G3. Chisel, round in the cross-section ; diorite ; Ohio 19 



Fig. 64. Chisel, four-sided; lydite; New York 19 



Fig. 65. Chisel, with handle ; basaltic stone ; Unalaska Island ...... 19 



Fig. 66. Gouge, partly hollowed ; hornstone ; New York 19 



Fig. 67. Gouge, entirely hollowed; argillite ; Pennsylvania 19 



Fig. G8. Adze, gouge-like; greenstone; Massachusetts 19 



Fig. G9. Adze ; hornstone ; British Columbia 19 



Fig. 70. HaftcdAdze; greenstone; Oregon 19 



Fig. 71. HaftedAdze; serpentine; Northwest Coast 19 



Fig. 72. Grooved Axe, groove passing entirely around; greenstone; Massachusetts ... 20 



Fig. 73. Grooved Axe, one side flat; greenstone; Arizona 20 



Fig. 74. Grooved Axe, groove bounded by ridges; greenstone, South Carolina .... 20 



Fig. 75. Grooved Axe, unusually long ; cast; Wisconsin 20 



Fig. 76. Grooved Axe, four-sided ; greenstone ; Alaska ......... 20 



Fig. 77. Grooved Axe, narrow cutting edge ; graywacke; Pennsylvania 20 



Fig. 78. Maul, grooved ; granite ; Colorado 20 



Fig. 79. Hafted Maul ; quartzite; Assincboins ........... 20 



Fig. 80. Hammer-stone, with a depression on each side ; quartzite ; New York ..... 20 



Fig. 81. Hammer-stone, with a depression on each side ; quartzite ; Pennsylvania .... 20 



Fig. 82. Hammer-stone; flint; Ohio 20 



Fig. 83. Drilled Ceremonial Weapon, pick-shaped ; serpentine ; Virginia 23 



Fig. 84. Drilled Ceremonial Weapon, pick-shaped; serpentine; Pennsylvania ..... 23 



Fig. 85. Drilled Ceremonial Weapon, pick-shaped; slate; Wisconsin ...... 23 



Fig. 86. Drilled Ceremonial Weapon, pick-shaped ; slate; Indiana ....... 23 



Fig. 87. Drilled Ceremonial Weapon, much curved, ends expanding; slate; Pennsylvania . . 23 



