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THE POPULAR SCIENCE MONTHLY. 



stone implements would have been fashioned, not from jasper, but 

 from the material first at hand. 



The shores of the large rivers, where no one denies that he 

 made his earliest habitation, are strewn with pebbles of conven- 

 ient size and conchoidal fracture, and from these (who can doubt 

 it ?) he made his first tools, whether already elsewhere taught the 

 value of jasper or not. 



From Belvidere to Chester, from Beach Haven to Havre de 

 Grace, the river beaches may be looked upon as one great pre- 



Fig. 9 (I). — Two Views of a Specimen from the Trenton Gravels. 

 (See Abbott's Primitive Industry, page 5U0.) 



historic quarry littered with the chips, the hammer stones, and 

 the refuse implements of vanished peoples ; and while the remote 

 jasper quarries were disassociated of necessity with abundant 

 traces of village life, here were quarry and village sites combined, 

 where the relics of the stone-chipper must needs lie within a few 

 feet or yards of those of the potter, the fisherman, and the hunter. 

 It is here rather than upon the hilltops of Durham and Macungie 

 that archaeology may look for man's earlier and intermediate 

 handiwork in stone, the telltale sites whose relics more or less 

 deeply buried shall carry us back to the morning of his first 

 coming. 



Meanwhile, with eyes wider open, we are ready for another 

 ransacking of the gravel pits of Trenton and Madisonville. More 



