lxxxiv PROCEEDINGS OF THE GEOLOGICAL SOCIETY, [vol. lxxvi, 



February 25th, 1920. 



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

 in the Chair. 



Thomas Arthur Acton, F.S.A., The Chalet, Minera, Wrexham 

 (North Wales) ; John Challinor, Assistant Lecturer in Geology at 

 the University College of Wales, Pickwood, Leek (Staffordshire) ; 

 and Herbert William Ricketts, Deputy Curator in the Sunderland 

 Museum & Art Gallery, 5 Lonsdale Road, Roker, Sunderland, were 

 elected Fellows of the Society. 



The List of Donations to the Library was read. 



The following communication was read : — 



' The Lower Carboniferous Chert-Formations of Derbyshire.' 

 By Henry Crunden Sargent, F.G.S. 1 



Mr. H. C. Sargent exhibited rock-specimens and microscopic 

 slides in illustration of his paper. 



March 10th, 1920. 



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

 in the Chair. 



Frederick William Allison, The Square, Guisborough (York- 

 shire) ; Evan Hughes, Trevillett, Tintagel (Cornwall) ; William 

 Thomas Lane, Assistant Lecturer in Geology in the School of 

 Mines at Treforest, Pendeen House, Dyfodwg Street, Trevorchy, 

 Rhondda (Glamorgan); Athanas Sotiriou, c/o Constantin Sotiriou, 

 Banque Nationale, Athens (Greece) ; Harold Joseph Wheaton, 

 Winster, Walton New Road, Lower Walton, Warrington ; Robert 

 Powley Wild, Ariel Lodge, Llewlett Road, Cheltenham ; and 

 Major Gerrard W. Williams, D.S.O., M.C., B.A., 30 Acacia Road, 

 St. John's Wood, N.W. 8, were elected Fellows of the Society. 



The List of Donations to the Library was read. 



The following communication was read : — 



' The Lower Palaeozoic Rocks of the Arthog-Dolgelley District 

 (Merionethshire).' By Prof. Arthur Hubert Cox, M.Sc, Ph.D., 

 F.G.S., and Alfred Kingsley Wells, B.Sc, F.G.S. 



1 Withdrawn by permission of the Council. 



