Vol. 6t ) .'] proceedings of the geological societi. lxxi 



March 13th, 1907. 



Aubrey Strahan, Se.D., F.R.S., Vice-President, in the Chair. 



Gerald de Parcel! Cotter, B.A., Assistant-Superintendent of the 

 Geological Survey of India, Calcutta ; Arthur Dance, Mining- 

 Engineer, Pretoria (Transvaal) ; Felix Oswald, D.Sc, Iona, Beeston 

 (Nottingham) ; and William Henry Pickering, Chief Inspector of 

 Mines in India, 5 Fancy Lane, Calcutta, were elected Fellows of 

 the Society. 



The List of Donations to the Library was read. 



The following communications were read : — 



1. ' A Silurian Inlier in the Eastern Mendips.' By Prof. Sidney 

 Hugh Reynolds, M.A., F.G.S. 



2. ' On Changes of Physical Constants which take place in certain 

 Minerals and Igneous Rocks, on the Passage from the Crystalline 

 to the Glassy State ; with a short Note on Eutectic Mixtures.' 

 By James Archibald Douglas, B.A., F.G.S. 



The following specimens, maps, etc., were exhibited : — 



Rock-sections, specimens, photographs, and lantern-slides, ex- 

 hibited by Prof. S. H. Reynolds, M.A., F.G.S., in illustration of his 

 paper. 



Lantern-slides, exhibited, by J. A. Douglas, B.A., F.G.S., in 

 illustration of his paper. 



Nineteen sheets of the 6-inch Geological-Survey map of the 

 Derbyshire & Leicestershire Coalfields, surveyed by C. Fox- 

 Strangways & W. W. Watts; seventy-four sheets of the 6-inch 

 Geological-Survey map of the South- Wales Coalfield, surveved bv 

 T. C. Cantrill, W. Gibson, A. Strahan, & R. H. Tiddeman,"l905"; 

 also 1-inch Geological-Survey map, n.s. Sheet 346, Newquay (Drift) 

 by C. Reid, J. B. Scrivenor, & D. A. MacAlister ; and Sheet 352, 

 Falmouth (Drift) by J. B. Hill, E. E. L. Dixon, & D. A. MacAlister, 

 both sheets colour-printed, 1906, presented by the Director of H.M. 

 Geological Survey. 



Geologische Karte des Grossherzogthums Hessen, ^Joo* Blatt 

 Yiernheim (Kaferthal) von W. Schottler, 1906, presented by the 

 Director of the Grand Ducal Survey, of Hesse. 



