372 



COLUMBIAN HISTORICAL EXPOSITION AT MADRID. 



obsidian from Mexico), with Nos. 32, 33, and 34 of obsidian from Nica 

 ragua (see Nicaraguan, Nos. 1187-1189). 



The jasper form (No. 29), from the United States (mounted in the 

 National Museum exhibit, we find again in the United States of 

 Colombia (No. 63), and in Mexico, somewhat modified, in Nos. 70, 72, 74, 

 81, and 82 of obsidian. 



OUTLINES OF ALL THE FORMS OF ARROW HEADS AND SMALLER BLADES, FROM NORTH AND SOUTH 



AMERICA. 



Exhibited at Madrid Exposition. 



The narrow, elongated form sometimes referred to as of possible 

 Eskimo origin, common in argillite in the Delaware Valley (see Kos. 

 23 and 24), we see in Uruguay (No. 35), and in Mexico (No. 80). The 

 forms more common in the United States, it would seem, than in South 

 America, and vulgarly called &quot; war arrows&quot; (see Nos. 8, 9, 20, and 22), 



