80 



Geology of the South East of Dorsetshire. 



curately in the wood-cuts, {Jigs. 7 and 8) after two of Mr. 

 Webster's drawings, and together with Jig. 9 farther on, con- 

 vey a good idea of the sections. 





Curved Beds and Breccia at Durlstone Head. 

 1, Purbeck stone. 2, Brown bituminous schistose limestone. 





Curved Beds at Durlstone Head. 

 1, Ravine ; first fault. 2, Gulley ; second fault. 



That such was the case on the 16th of June, 1811, the fol- 

 lowing extract from a letter by Mr. Webster will shew. 



" In the north side of Durlstone Bay, the strata are regu- 

 lar, dipping a few degrees to the north : but about the middle 

 of the bay, they suddenly become very much contorted and 

 broken ; (pi. xxx.) and this state continues, with more or less 

 variation, all the way to the south side of the bay, called Durl- 

 stone Head. 



" These contorted strata are precisely of the same nature 

 as those which are straight, and the quarrymen can recognise 



