86 PROCEEDINGS OF THE GEOLOaiCAL SOCIETY. [JunO 9, 



cias, serpentines, &c., as well as the cleavage of the slaty rocks, — as, 

 indeed, the experiments of Mr. Sorby and of Professor Tyndall have 

 already indicated. He concluded by suggesting to all geologists en- 

 gaged in the examination of rocks the above mechanical considerations, 

 as likely to lead to more definite views than at present prevail as to 

 the origin of the metamorphic schists, and the internal structure of 

 many of the older and more disturbed rocks of all characters. 



Mat 26, 1858. 



Henry Duckworth, Esq., Liverpool, David C. Macconnel, Esq., 

 Tooting Common, John Entwisle, Esq., Eussell Square, and 

 Frederick Drew, Esq., Geological Survey of Great Britain, were 

 elected Eellows. 



The following communications were read : — 



1. On the Pleistocene Sea-bed of the Sussex Coast, being the 

 Western Extension of the Eaised Sea-beach oe Brighton. By 

 Joseph Prestwich, E.E.S., Treas. Geol. Soc. 



[The publication of this Paper is unavoidably deferred.] 



2. On the Sedimentary and other External Relations of the Paleozoic 

 Fossils of the State of New York. By J. J. Bigsbt, M.D., 

 Y.P.G.S. 



[The publication of this Paper is unavoidably deferred.] 



June 9, 1858. 



Major Edward Robert Wood, Stout Hall, Glamorganshire ; Charles 

 Falconer, Esq., Sackville Street; Wilham S. Clark, Esq., Mining 

 Engineer, Aberdeen, Glamorganshire ; Thomas Evans, Esq., Govern- 

 ment Inspector of Coal Mines, Cardiff; William Henry Le Fevre, 

 Esq., Jersey; and John Millar, Esq., Bethnal House, Bethnal 

 Green, were elected Fellows. 



The following communications were read : — 



1. On the Jointings in the Carboniferous and Devonian Rocks 

 in the District around Cork; and on the Dolomites of the same 

 District. By Prof. Robert Harkness, F.R.S., F.G.S. 



Contents. 

 On the Joints. 

 Jointings in the *' Brownstone " and "Yellow Sandstone." 

 Jointings in the Carboniferous Limestone. 

 . Jointings in other rocks. 



