part 1] PROCEEDINGS OF THE GEOLOGICAL SOCIETY. V 



Ewart Hollingwortli, B.A., Geologist, H.M. Geological Siirve}'', 

 Flore, near Weeclon (NortbamjDtonshire) ; Arthur Lovatt, B.Sc, 

 31 Park Road, Hendoii, N.W. 4 ; James Mitchell, B.Sc, B.E., 

 Professor of Geology & Mineralogy in University College, Galway ; 

 John Isaac Piatt, B.Sc, Assistant Lecturer in Geology, University 

 College, Aberystwyth ; George Pobling, Llwyncelyn, Ponthenry, 

 Llanelly ; Harry Hall Sands, Milton Chambers, Nottingham ; and 

 Walter Percy Winter, B.Sc, 20 Hurst Wood lioad, Shipley (York- 

 shire), were elected Fellows of the Society. 



The List of Donations to the Library was read. 



The following communications were read : — 



1. ' Jurassic Plants from Ceylon.' By Prof. Albert Charles 

 Seward, Sc.D., F.R.S., F.G.S., and Pv. E. Holttum, B.A. 



2. *The Carboniferous Limestone (Avonian) of Broadfield 

 Down (Somerset).' By Frederick Stretton Wallis, M.Sc, F.G.S. 



February 1st, 1922. 



Mr. R. D. Oldham, F.R.S., President, 

 in the Chair. 



Arthur Bond, B.A., 31 Croxted Road, Dulwich, S.E. 21 ; James 

 Percy Tufnell Burchell, Fawke House, Sevenoaks (Kent) ; Francis 

 Henry Arnold Englelieart, B.A., The Priory, Stoke-by-Nayland, 

 near Colchester; Kenneth Stuart Sandford, B.A., University 

 College, Oxford ; and James Alfred Steers, B.A., 2 Goldington 

 Avenue, Bedford, were elected Fellows of the Society. 



The List of Donations to the Library was read. 



Mr. Ctkil Edwaed Nowill Bromehead, B.A., F.G.S. , de- 

 livered a lecture on the Influence of Geology on the 

 History of London. 



The 6-inch Geological Survey maps constructed by the Lecturer 

 were exhibited, and some of the new features pointed out. The 

 small streams now ' buried ' are indicated on the maps, and the 

 historical research involved in tracing them led to an appreciation 

 of the connexion between the geology and topography on the one 

 hand, and the original settlement and gradual growth of London 

 on the other. The reasons for the first selection of the site have 

 been dealt with b3'' several writers : below London the wide allu- 

 vial marshes formed an impassable obstacle ; traffic from the 

 Contment came b}^ the ports of Kent, and, if destined for the 



