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angulatiis zone ? The latter was the view held by Charles 

 Moore; than whom no one could be better able to form an 

 opinion. The Ehsetic theory had recently been resuscitated by 

 Messrs. Tomes and Lucy based principally on coral evidence. A 

 re- examination of the geology of this district was therefore 

 necessary, and this excursion had been planned with this object. 

 A great alteration had taken place in the lithological character of 

 these beds, — as could be readUy seen by comparing the speci- 

 mens before them with the Lias through which they had passed 

 on their journey yesterday — this rendered their correlation so 

 difficult. Those however familiar with the Secondary rocks in the 

 Mendip area must be struck with the practical identity of these beds 

 with those at Shepton Mallet, both as to their appearance and fossil 

 contents — the latter were admittedly Lower Lias. Indeed when- 

 ever the Liassic beds rested uncomformably on the Carboniferous 

 Limestone this alteration (as Charles Moore had pointed out) has 

 taken place . Similar conditions prevailed in this district, on looking 

 seawards the members would perceive the reefs of Carboniferous 

 Limestone with the Sutton stone resting uncomformably upon 

 them, the high range of hills at their back were a like formation 

 and throughout this neighbourhood those beds resting on these 

 Palaeozoic rocks were much changed in structure. What caused 

 this was still an open question, the evidence of igneous rocks 

 iu close proximity could not be adduced as a reason here, as it 

 had been across the water — however the fact of their alteration 

 remains, so that the fossil contents of these beds were the only 

 safe guide to their place in the geological series — members 

 had an opportunity of winning their spurs." 



The carriages being rejoined below they drove past the mouth of 

 the Ogmore and on to Ogmore Castle, a picturesque ruin of which 

 not much beyond the old keep and a portion of the outer walls 

 remain, situated on the river Ewenny crossed here by stej^ping 

 stones. The view of the yellow sand hills at the back across the 

 Ogmore framed in one of the old windows was most picturesque. A 



