Vol. 69.] PROCEEDINGS OF THE GEOLOGICAL SOCIETY. XCVli 



The following communications were read : — 



1. ' On the Age of the Suffolk Valleys ; with Notes on the Buried 

 Channels of Drift.' By Percy G. H. Boswell, B.Sc., F.G.S. 



2. ' The Internal Structure of Upper Silurian Bugose Corals from 

 the Grindrod Collection, Oxford Museum.' By Donald Esme Lines, 

 B.A. (Communicated by Prof. W. J. Sollas, Sc.D., F.B.S., F.G.S.) 



The following specimens were exhibited : — 



Examples of water-rolled flints, and a typical specimen of chalky 

 silt, exhibited by P. G. H. Boswell, B.Sc, F.G.S., in illustration of 

 his paper. 



Specimens of Upper Silurian corals, with microscopic sections, 

 exhibited in illustration of the paper by D. E. Innes, B.A. 



Slab with numerous specimens of Jlicrodiscus punctatus, from 

 the Solva Beds, east side of Solva Harbour, accompanied by a 

 photographic enlargement, exhibited by W. P. D. Stebbing, E.G.S. 



Sponges from the Upper Chalk of Grays (Essex); also Ostrea 

 with marks of attachment to the inner whorls of an ammonite, 

 and Exogyra with colour-bands, from the Lower Chalk of Burham 

 (Kent), exhibited by G. E. Dibley, F.G.S. 



June 1 1th, 1913. 



Dr. Aubrey Strahan, F.R.S., President; 

 and afterwards W. AVhitaker, B.A., F.B.S., in the Chair. 



The List of Donations to the Library was read. 



The Names of certain Fellows of the Society were read out for 

 the first time, in conformity with the Bye-Laws, Sect. VI, Art. 5, 

 in consequence of the Non-Payment of the Arrears of their 

 Contributions. 



The following communications were read : — 



1. 'Certain Upper Jurassic Strata of England.' By Dr. Hans 

 Salfelcl, University of Gottingen. (Communicated by S. S. 

 Buckman, F.G.S.) 



2. 'The Volcanic Bocks of the Forfarshire Coast and their 

 Associated Sediments.' By Albert Jowett, M.Sc, F.G.S. 



3. ' On a Group of Metamorphosed Sediments situated, between 

 Machakos and Lake Magadi in British East Africa.' By John 

 Parkinson, M.A., F.G.S. 



