XVI PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [April I9I4. 



Rock-specimens and microscope-slides were exhibited by W. R. 

 Watt, M.A., B.Sc, F.G-.S., in illustration of his paper. 



Lantern -slides were exhibited by Dr. A. Jowett, F.G-.S., in illus- 

 tration of his paper. 



The following maps were also exhibited : — 



Geological Survey of Scotland: 1-inch scale, Sheet 82, Loch 

 Carron (Ross-shire), presented by the Director of H.M. Geological 

 Survey. 



Royal Geological Institute of Hungary — Sheets Brusztura, 

 Okormezo & Tuchla, and Dognacska & Gattaja, on the scale of 

 1 : 75,000, presented by the Director of that Institute. 



Geological Map of Natal, 1910, on the scale of 20 miles to the 

 inch, or 1 : 1,267,200, presented by the Natal G-overnment. 



February 4th, 1914. 



Dr. Aubrey Strahan, F.R.S., President, in the Chair. 



Gordon Willis Lepper, care of the Burma Oil Company, Ltd., 

 Nyaunghla (Upper Burma), was elected a Fellow of the Society. 



The List of Donations to the Libraiy was read. 



The following communications were read : — 



1. ' The Lithology and Composition of Durham Magnesia n 

 Limestones.' By Charles Taylor Trechmann, B.Sc, F.G.S. 



2. ' On the Occurrence of a Giant Dragon-Fly in the Radstock 

 Coal Measures.' By Herbert Bolton, M.Sc, F.R.S.E., F.G-.S. 



Specimens from the Durham Magnesian Limestone were exhibited 

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



Insects from the Radstock Coal Measures were exhibited bv 

 H. Bolton, M.Sc, F.R.S.E., F.G.S., in illustration of his paper. 



The following geological maps were also exhibited : — 



Carte Geologique Internationale de l'Europe : Sheets E 1, F 1, 

 and GI-VII, on the scale of 1 : 1,500,000.-1913. 



Geological Survey of the Union of South Africa : Sheet 2 ; 

 Pienaars River, on the scale of 2*347 miles to the inch, or 

 1 : 156,500.-1913. Presented by the Director of that Survey. 



