which the quarry is situate, to allo-w the working of it to be con- 

 tinued within fixed and reasonable limits, and thus enable our 

 enterprising Members to continue their researches, which have 

 already thrown so mucli light and additional information on the 

 forms of extinct Star fishes and Crustaceans. 



Before I pass to our next day's excursion, I must again refer you 

 to Mr. Lewis' Address for an account of previous meetings of this 

 Club at Leiutwardine and the Xash Lime Eocks, wliich the Club 

 again visited on the last Field-day of the past year. 



"We met at Corton Turnpike on the 7th August, and after passing 

 the quarry of upper Llandovery, or Playbill sandstone, here worked 

 for road materials, we ascended the hill and passed round to the 

 sand-pits on the northern side. Here Wenlock shale and Woolhope 

 limestone, resting on upper Llandovery beds, dipping 40 degrees to 

 the north, appeared cropping out on the surface — the anti-climal 

 beds of which are seen on the southern side, aflbrding, in the upper 

 Llandovery beds, specimens of Petraia and other characteristic 

 fossils. Sir Eoderick Mukchison in his Silurian System, expresses 

 an opinion that the same volcanic forces which disturbed the 

 strata on Old Eadnor Hill, and threw up the volcanic masses of 

 Stanner Eocks, "Worzel and Hanter Hills, had also exercised a 

 powerful operation here, upheaving the limestone and Llandovery 

 beds — altering the limestone of Xash into an amorphous, unstratified 

 rock, and causing the numerous faults in the Old Eed sandstone, 

 which occur in the immediate vicinity, although the igneous rocks 

 did not present themselves to his view ; subsequent investigations 

 have confirmed the correctness of his opinion. At Old Eadnor the 

 igneous matter has burst through the limestones, altering ia a similar 

 manner the portions which came immediately into contact with it, 

 and converting the "Wenlock shale, with the TrUobites and Enciinites 

 which it contains, into a fractured coal-like shale. 



We shall add fresh interest to the subject, if we can ascertain the 

 period when this outburst took place ; we know that these Syenitic 

 or hypersthenic rocks are supposed to have been fonned under 



