COLUMBIAN HISTORICAL EXPOSITION AT MADRID. 



109 



mountains, have hundreds of these markings, when they are called &quot; cup stones.&quot; 

 The National Museum has one from Wheeling, W. Va., with fifty-three cup mark 

 ings thereon. Their distribution is general throughout the prehistoric world 

 and their use or purpose has never been satisfactorily determined. 



160 



Fig. 26. 



CUP STONES. 



160, sandstone, Pennsylvania; 160a. sandstone, Kentucky. 



CLASSIFICATION OF ARROW AND SPEARHEADS. 



The primary divisions of arrow and spearheads or knives are as follows: 

 I. Leaf shaped, classes A, B, C. 

 II. Triangular. 



III. Stemmed, classes A, B, C. 



IV. Peculiar forms, classes A, B, C, D, E, F, G. 



I. Leaf shaped. This division includes elliptical, oval, oblong, and lanceolate 

 forms bearing any relation to the shape of a leaf, and without stem, shoulder, 

 or barb. 



