Fig. 8. 



wmd 



Fig. 6. 

 Fig. 7. 

 Fig. 8 



This spec 

 6co] 



Fig. 9. 



—Portion of striation upon the Westleton flint, showing the thin, minute plates 



of flint unremoved. 

 —Portion of striation upon the Westleton flint from which the majority of thin, 



minute plates of flint have been removed by the author. 

 .—Specimen of flint showing hard, resistant area of oval outline which has 

 remained unaffected by the patinating process. 

 Fig. 9.— Specimen of bottle-glass exhibiting various kinds of striae. 

 en was found upon the surface of a ploughed field. Notice the parallelism of some of the striations 



Fig. 10. -Specimen of bottle-glass exhibiting various kinds of striae, 

 men was found upon the surface of the ground. Notice the parallelism of many of the striations. 



