Vol. 65.] PROCEEDINGS OF THE GEOLOGICAL SOC1ETT. CXXV 



The following specimens and maps 'were exhibited : — 



Specimens illustrating the effects of pressure and crushing upon 

 flint, exhibited by S. Hazzledine Warren, F.L.S., F.G.S. 



Geological Survey of Ireland : — 1-inch map, Drift-Series — 

 Londonderry (parts of Sheets 11, 12, 1 7, & 18), 1908, presented by 

 the Director of H.M. Geological Survey. 



Geological map of the Northern portion of British Guiana, 

 on the scale of 10 miles to the inch, by J. B. Harrison, H. I. 

 Perkins, & C. "W. Anderson, 1906, presented by the Authors. 



Imperial Geological Survey of Japan, ^^j map, Zone 3, col. iii 

 & Zone 13, col. ix, with the accompanying Explanations, presented 

 by the Director of that Survey. 



April 7th, 1909. 



Prof. W. J. Sollas, LL.D., Sc.D., F.B.S., President, and after- 

 wards H. W. Monckton, Treas.L.S., Vice-President, in the 

 Chair. 



Bernard Bichard Lucas, Winnington Park. Northwich (Cheshire), 

 was elected a Fellow of the Society. 



The List of Donations to the Library was read. 



The President announced that the Daniel-Pidgeon Fund for 

 1909 had been awarded to Alexander Moncrieee Finlayson, 

 M.Sc, Assoc. Otago School of Mines, who proposes to undertake 

 researches on the genesis of the sulphidic ores. 



The following communications were read : — 



1. 'On Overthrusts at Tintagel (North Cornwall).' By 

 Henry Dewey, F.G.S. (Communicated by permission of the 

 Director of H.M. Geological Survey.) 



2. ' The Lahat " Pipe " : A Description of a Tin-Ore Deposit in 

 Perak (Federated Malay States).' By John Brooke Scrivenor, M.A., 

 F.G.S., Geologist to the Federated Malay States Government. 



3. ' On the Sculptures of the Chalk Downs in Kent, Surrey, and 

 Sussex.' By George Clincb, F.G.S., F.S.A.Scot. 



The following specimens and lantern-slides were exhibited : — 



A series of specimens from the Tintagel District of Cornwall and 

 lantern-slides, exhibited by H. Dewey, F.G.S., in illustration of 

 his paper. 



vol. lxv. k 



