

cii PEOCEEDINGS OF THE GEOLOGICAL SOCIETY. [June 1914, 



May 13th, 1914. 



Dr. A. Smith Woodwaed, F.R.S., President, 

 in the Chair. 



The List of Donations to the Library was read. 



The Pbesidext mentioned that, on the proposition of Mr. R. H. 

 Tiddeman, President of the Yorkshire Geological Society, a con- 

 ference would be held in Leeds next autumn to discuss thoroughly 

 the Glacial phenomena of the North of England. 



Mr. John Parkinson" exhibited (a) a few specimens of the old 

 lacustrine beds from the neighbourhood of Lake Magadi, on the 

 borders of British and German East Africa ; and (b) specimens of 

 soda and of silica from the Lake itself. The former consist of un- 

 consolidated ash, fine silts with Planorbis, and diatomite. Probably 

 these beds, in places, are over 100 feet thick. With the soda is 

 associated silica, which fringes some fault- scarps and forms narrow 

 ridges in the Lake itself. 



The following communications were read : — 



1. ' The Scandinavian Drift of the Durham Coast, and the 

 General Glaciology of South-East Durham.' Bv Charles Tavlor 

 Trechmann, B.Sc.,"F.G.S. 



2. ' On the Relationship of the Vredefort .Granite to the Wit- 

 watersrand Svstem.' Bv Frederick Willoughbv Pennv, B.Sc, 

 F.G.S. 



In addition to the exhibit described above, the following specimens 

 and maps were exhibited : — 



Specimens of splintered flints, Scandinavian rocks, and Pleisto- 

 cene shells from the Durham coast, and lantern -slides, exhibited 

 by C. T. Trechmann, B.Sc, F.G.S., in illustration of his paper. 



Rock-specimens and microscope- sections, exhibited by F. W. 

 Penny, B.Sc, F.G.S., in illustration of his paper. 



Geological Survey of Sweden : Maps Nos. 135, 138, 111, 146, & 

 149, on the scale of 1:50,000, 1909-1913; presented by the 

 Director of that Survey. 



May 27th, 1914. 



Dr. A. Smith Woodward, F.R.S., President, 

 in the Chair. 



Andrew Russell, Beerbhoom House, Asansol (Bengal), was 

 elected a Fellow of the Society. 



