Gray"] 6x6 [Worked Flinis. 



PLATE 3. 



FIG- 5. — SAND-DUNE FINDS. 

 £ Full Size. 



This illustration shows the nature of the objects commonly 

 found on the sites of settlements on sand-dunes. The group of 

 objects is composed of fragments of pottery, bones, shells, flint 

 chips, worked flints, flint cores, and hammers. The fragments 

 of pottery are probably the remains of food vessels. The flints 

 were probably worked on the spot, and the tools are found as 

 they were left by the primitive flint manufacturer. A single 

 hollow in the dunes has, in many cases, yielded several dozen 

 hammers, scrapers, and hundreds of flakes 



FIG. 6. — SPECIAL FORMS OF WORKED FLINTS. 



\ Full Size. 



In a large collection of ordinary flakes, no matter how rough 

 they may be, certain forms frequently occur of the same general 

 shape. For example, a number will be found narrow at one end 

 and very thick at the other, as the upper four in the illustration. 

 Others will be found with a hook or bend, as the lower six in the 

 illustration. Such and many other forms are due to the 

 peculiarity of the flint fracture and not to the intention of the 

 fabricator ; but primitive man observed this quality of the 

 flint, and often adopted sucli forms to answer his purpose. 



