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XVI. Proceedings of Learned Societies. 



GEOLOGICAL SOCIETY. 



[Continued from vol. xxxvii. p. 419.] 



January 10th, 1894.— W. H. Hudleston, Esq., M.A., F.R.S., 

 President, in the Chair. 



'TVEE following communications were read : — 



-*- 1. * On the Rhaetic and some Liassic Ostracoda of Britain. , By 



Prof. T. Rupert Jones, F.R.S., F.G.S. 



2. ' Leigh Creek Jurassic Coal-Measures of South Australia : their 

 Origin, Composition, Physical and Chemical Characters ; and Recent 

 Suhaerial Metamorphism of Local Superficial Drift/ By James 

 Parkinson, Esq., F.G.S., F.C.S. 



This paper contains an account of the lignitic coal of Leigh 

 Creek and associated rocks. Analyses are given, as illustrating 

 comparisons between the Leigh Creek coal and Jurassic and other 

 coal-bearing rocks found elsewhere. The Author discusses the 

 origin of the Leigh Creek deposits, and describes certain peculiarities 

 noticeable in the superficial materials, which he discusses in another 

 paper. 



3. ■ Physical and Chemical Geology of the Interior of Australia : 

 Recent Subaerial Metamorphism of Eolian Sand at ordinary 

 atmospheric temperature into Quartz, Quartzite, and other Stones/ 

 By James Parkinson, Esq., F.G.S., F.C.S. 



South of the Flinders Range fragments of stone of all sizes are 

 found on the ground, the origin of which the Author discusses. He 

 maintains that they were formed by subaerial metamorphism of 

 Eolian deposits. 



January 24th.— W. H. Hudleston, Esq., M.A., F.R.S., 

 President, in the Chair. 



The following communications were read : — 



1. 'The Ossiferous Fissures in the Yalley of the Shode, near 

 Ightham, Kent/ By W. J. Lewis Abbott, Esq., F.G.S. 



2. ' The Vertebrate Fauna collected by Mr. Lewis Abbott from 

 the Fissure near Ightham, Kent/ By E. T. Newton, Esq., F.R.S., 

 F.G.S. 



