134 



PHEHISTORIC FISHING. 



In Fig. 212 representations of a scries of objects illustrating the process of 

 manufacture are grouped together. A piece of Ilaliotis-sliell was first reduced 

 to a rude disc-form (a), and then pierced with a hole in the centre (b) by means 



g 



h i 



Fig. 212. — Series of designs illustrative of the method of making fish-hooks of shell. 



of a four-sided j^ointed flint implement (c). The enlarging and rounding of the 

 hole (as shown in d) was performed with a double-pointed borer of hard, coarse 

 sandstone (e), and an ordinary flat piece of sandstone served to grind the per- 

 forated disc into a ring-like form (f). By the removal of certain portions of this 

 ring (hatched in g) with a sort of double-edged stone knife (li) and some further 



