1910-1911.] 291 



of the evening. Dr. A. R. Dwerryhouse, F.G.S., showed 

 a series of thin Sections to illustrate the occurrence in rocks of 

 structures due to the solidification of entectic mixtures of their 

 constituents — e.g., quartz and felspar, orthoclase and oligoclase ; 

 a large Photograph of the Limestone Cavern at the bottom of 

 Gaping Ghyll, 365 feet down, situated in the flank of Ingleboro', 

 in Yorkshire ; some recently-published Geological Maps of Arran 

 and of parts of England and Wales ; and a working model of an 

 Air-lift Pump. Mr. J. A. S. Stendall had an exhibit of Radium 

 Nitrate, which excited much interest. 



The exhibitors in the miscellaneous section included Miss 

 Elizabeth Andrews, Pottery from Lake Village at Meare, Somer- 

 setshire ; Flint Implements from Toome bar and the Bann ; Flint 

 Implements from kitchen-middens, Les Eyzies, Dordogne, 

 presented to the Club by Mr. F. de V. Kane, D.L. ; Early 

 Edition of " Letters on Basaltes of County Antrim," by Rev. 

 William Hamilton, F.T.C.D., printed in Belfast probably about 

 the end of the eighteenth century ; " The Giant's Causeway," by 

 W. H. Drummond, D.D., printed in Belfast, 1811. Mr. S. H. 

 Douey, Mr. W. A. Green, F.R.S.A.I., and Mr. R. J. Welch, 

 Photographs illustrating Summer excursions, 19 10; Mr. Francis C. 

 Forth, A.R.C.Sc.L, Model Specimens of handrailing with drawings ; 

 Mr. W. A. Green, F.R.S.A.I., Implements from Fiji, Pegeen from 

 Dingle Peninsula ; Miss Olga Heyn, living Marmoset from South 

 America ; Mrs. Hobson, sketch of Ancient Irish Sweat-house near 

 Ballyshannon, by Fred W. Lockwood ; Mr. A. B. Morris, Nature 

 Photographs; Professor Symington, M.D., F.R.S., Photographs 

 of megalithic remains at Carnac and other places in Brittany ; 

 Miss L. A. Walkington, LL.D., Ancient Hanging and Standard 

 Candlesticks ; cam and moulds for dip candles ; Mr. Ivan Suther- 

 land's exhibit of Bauxite and Aluminium included the first piece 

 of aluminium produced from Irish bauxite in 1886. 



At nine o'clock a lantern display of views, mainly taken on 

 excursions during the Summer, 1910, was given by Messrs. William 



