344 



THE POPULAR SCIENCE MONTHLY. 



made comparatively more rapid progress than either. Not more than 

 fourteen years have passed since the discoveries made by Boucher de 

 Perthes of flint implements in the gravel-beds of Abbeville and 

 Amiens, although at that time discredited and disparaged by the geol- 



Fio, 1. Polished Celts, Santon Downham, Suffolk. 



ogists of his own country, were confirmed and supplemented by Mr. 

 Prestwich and Mr. Evans. Previously to that time these objects had 

 attracted but little notice ; the things were " neither rich nor rare ; " 

 men looked at them and wondered, and then forgot them, just as be- 

 fore William Smith's time they gazed with a profitless curiosity on 



