XXIV LIST OF ILLUSTRATIONS. 



Page. 



52. Section of pit in the prehistoi-ic flint mines. Spiennes, Belgium 856 



53. Flint implement ; the peculiar product of a prehistoric worksliop. Grand 



Pressigny (Indre-et-Loire), France 858 



54. Section of prehistoric flint mine or pit. Mur-de-Barrez (Aveyron) 859 



55. Prehistoric deer-horn hammer and pick combined. From flint mine at 



Mur-de-Barrez (Aveyrou), France 859 



56. Section of prehistoric flint mine. Meudoa (Oise), France 860 



57. Section of a j)it of the prehistoric flint mine at Champignolles (Oise), 



France 861 



58. '' Strike-a-light," steel and tinder, used by French peasants. Paris, 



France 862 



59. Prehistoric pick marks in the hard clay in the excavation of an Etruscan 



tomb. (Del Colle Cassuccina), Chiusi, Italy 863 



60. Plan of prehistoric flint mines. Cissbury, England 865 



61. Portion of plan of prehistoric flint mines. Cissbury, Sussex, England. .. 866 



62. 63. Iron flaking hammer and a " strike-a-light " made with it. Albania, 



Greece 878 



64. Flint core, with its flakes in place as struck 879 



65. Section of flint nucleus showing how flakes are struck off 879 



66,67. Hammer stonos. Ohio, New York 880 



68,69. Eskimo arrow ilakors, points of reindeer horn, handle of ivory 881 



70, 71. Eskimoarrowilakers, pointsofreindeer horn, handlesofwoodand ivory . 881 



72-74. Flakers of antler or bone in handles of wood , 882 



75, 76. Flint flakers ( ?) with smooth, rounded ends, worn by use. Yorkshire, 



England 883 



77. Arrow-shaft grinder, chlorite slate. Cajie Cod, Massachusetts 885 



78. Serpentine arrow-shaft straightener, with three smooth grooves, ornamen- 



tal irregular incised lines. Santa Barbara County, California 886 



79. 80. Arrow-shaft straighteners of wood or ivory 886 



81. Leaf-shaped spearhead of flinty chert, pointed at both ends. Madison 



County, Kentucky 892 



82. Sword of dark-brown flint. Williamson County, Tennessee 893 



83. Sword of obsidian. Oregon 893 



84. Ferruginous conglomerate containing jasper pebbles. Blount County, 



Alabama 894 



85. Pale-gray flint having the appearance of agatized wood. Austin, Texas. 894 



86. Yellow chert. Tennessee River, opi^osite Savannah, Tennessee 895 



87. Leaf-shaped implement, pointed at both ends. Folsom, Sacramento 



County, California 896 



88. Leaf-shaped imj)lement, i)ointed at both ends 896 



89. 90. Leaf-shaped imitlement, pointed at both ends 897 



91. Leaf-shaped implement, i)ointed at both ends. Santa Barbara County, 



California 897 



92. Leaf-shaped implement, pointed at both ends. California 897 



93. Leaf-shaped implement, pointed at both ends. National Museum, Mexico. 897 



94. Leaf-shaped implement, pointed at both ends, two notches near base for 



fastening handle. Gilmer County, Georgia 898 



95. Leaf-shaped implement of gray hornstone, pointed at both ends. Belle- 



ville, St." Clair County, Illinois 898 



96-101. Leaf-shaped arrowpoints, pointed at both ends 899 



102. Leaf-shaped implement of argillite, with straight base. Trenton, New 



Jersey 900 



103. Leaf-shaped implement of argillite, with straight base. Trenton, New 



Jersey 900 



104. Leaf-shaped implement of pale-gray jaspery flint, with convex base 901 



105,106. Leaf-shaped implement of dark-gray flint, witli convex base 901 



