civ PROCEEDINGS OF THE GEOLO&ICAL SOCIETY. [Juoe I912, 



Eock-specimens and lantern-slides, exhibited by J. F. ^. Green^ 

 B.A., F.G.S., in illustration of his paper. 



Geological Survey of England & Wales : 1-inch Map, nevr series^ 

 Sheet 113, Ollerton, 1911; presented by the Director of H.M. 

 Geological Survey. 



April 17th, 1912. 



Dr. AuBEET Straha:^^, F.E.S., President, 

 in the Chair. 



The List of Donations to the Library was read. 



The President announced that the Council had awarded the 

 Proceeds of the Daniel-Pidgeon Fund for the present year to 

 Otwat H. Little, M.A., Royal College of Science for Ireland, who. 

 proposes to investigate the chemical and mineral changes which 

 have taken place in the metamorphic limestone of Connemara. 



The following communications were read : — 



1. 'The Pre-Cambrian and Cambrian Eocks of Brawdy, Hays- 

 castle, and Erimaston (Pembrokeshire).' By Herbert Henry 

 Thomas, M.A.. B.Sc, Sec.G.S., and Prof. Owen Thomas Jones,. 

 M.A., D.Sc, F.G.S. 



2. ' The Geological Structure of Central "Wales and the Adjoining 

 Eegion.' By Prof. Owen Thomas Jones, M.A., D.Sc, F.G.S. 



The following specimens and lantern-slides were exhibited : — 



Eock-specimens, microscope-sections, and lantern- slides, exhibited 

 by H. H. Thomas, M.A., B.Sc, Sec.G.S., and Prof. 0. T. Jones, 

 M.A., D.Sc, F.G.S., in illustration of their paper. 



Lantern- slides exhibited by Prof. 0. T. Jones, M.A., D.Sc, F.G.S.^ 

 in illustration of his paper. 



May 1st, 1912. 



Dr. Atjbrey Strahan, F.E.S., President, 

 in the Chair. 



The List of Donations to the Library was read. 



The President referred to the loss which the Society had just 

 sustained, in the decease of Mr. Joseph Dickinson, at the age 

 of 93. Mr. Dickinson had been a Fellow of the Society for no 

 less than seventy years, having been elected in 1842, and he had 

 retained undiminished to the last his keen and vigorous interest in 

 geological and mining matters. 



