l68 PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 



April 22, 1891. 



Dr. A. Geikie, F.R.S., President, in the Chair. 



Erancis Hubert Barclay, Esq., Trinity Hall, Cambridge, and 

 Ley ton, Essex, was elected a Fellow of the Society. 



The List of Donations to the Library was read. 



The Secretary announced the presentation by C. Eox Strangways, 

 Esq., F.G.S., of a photograph of an Ice-transported Boulder of Shap 

 Granite, now lying at Seamer Eailway Station, near Scarborough. 



The following communications were read : — 



1. " Results of an Examination of the Crystalline Eocks of the 

 Lizard District." By Prof. T. G. Bonney, D.Sc, LL.D., F.E.S., 

 V.P.G.S., and Major-General C. A. McMahon, F.G.S. 



2. '^ On a Spherulitic and Perlitic Obsidian from Pilas, Jalisco, 

 Mexico." By Frank Eutley, Esq., F.G.S. 



The following specimens were exhibited : — 



Eock-specimens and microscopic sections, exhibited by Prof. 

 Bonney, D.Sc, LL.D., F.E.S., Y.P.G.S., and Major-General McMahon, 

 F.G.S., in illustration of their paper. 



Eock-specimens and microscopic sections, exhibited by Frank 

 Eutley, Esq., F.G.S., in illustration of his paper. 



May 6, 1891. 



Dr. A. Geikie, F.E.S., President, in the Chair. 



Benjamin Dunstan, Esq., Norwich Chambers, Hunter Street, 

 Sydney, New South Wales, was elected a Fellow of the Society. 



The List of Donations to the Library was read. 



The following communications were read: — 



1. " On a Ehaitic Section at Pylle Hill or Totter Down, Bristol." 

 By E. Wilson, Esq., F.G.S. 



2. " The Inferior Oolite of the Cotteswold Hills, with special re- 

 ference to its microscopical structure." By Edw. Wethered, Esq. 

 F.G.S., F.C.S., F.E.M S. 



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