A NATURAL BRIDGE DUE TO STREAM MEANDERING 75 



A from both sides, until it had eaten its way through, thus straighten- 

 ing its channel but leaving a pillar (B) supporting an arch over the 

 stream. 



Fig. 2. — A drawing to illustrate the way in which the natural bridge was formed. 

 The view (Fig. i) was taken from a position indicated by the cross and looking in the 

 direction of the arrow. 



