i6 



W. J. Perry — Megalithic Monuments 



directed to the west, where thev found gold, tin and other 

 minerals, and that they supplied themselves mainly from such 

 sources. The great concentration along the western margin 

 of the chalk certainly suggests this explanation, and thus 

 constitutes another reason for concluding that the search for 

 certain minerals was the prime concern of the megalith- 

 builders, and that the flint industry was located in the nearest 

 possible region to the sources of these minerals. 



Sketch Map No. 5, showing the geographical relationship between 

 Megalithic Monuments and Mining Areas in Wales. 



It is now necessary to turn to another region, that of 

 Wales. This country contains much mineral wealth, and 



