IV. 

 ON Till!] GEOLOGY OF I'OETISUEAD. 



By Peof. 0. LLOYD MORGAN, F.U.S., Assoc. li.S.M. 



C N T E N T B . 



1. — ^Introduction. 



2. — Pliysioal Features and General Geolo{;ical Structure. 



3. — Flexures and Faults. 



4. — Conclusion. 



1 . — Introduction. 



rpiQ tko.so -yvlio would understand tlio scenery of our neigli- 

 -*- bourhood, and would trace its conncctien witli tlio 

 poologiciil structure wLicli. underlies it, Portisliead is a 

 locality of interest. Little lias been written, however, on 

 tlio geology of Portisliead. In Buckland and Conybcare's 

 elasHi(;al Observations on ihu South-western Goal District of 

 England (Trans. Goal. Soc, 2iid series, vol. i., p. 210) tlio 

 district is incidentally considered, and views are put forward 

 to which attention will be drawn in the sequel. In Sir 

 Henry de la Beclie's Memoir On the IWmation of the Bocks 

 '•;/ , .South Wales and South-western England (Mem. Geol. 



1? 



