522 Reports and Proceedings — 



Professor H. A. Nicholson, D.Sc, F.G.S., and C. Lapioorth, F.G.S. — 



On some sections of the Silurian Bocks. 

 Professor T. McK. Hughes, II. A., F.G.S. — Notes on the classifica- 

 tion of the Sedimentary Eocks. Part I. — The Lower Group, up 



to the top of the Old Eed Sandstone. Part II. — The Upper 



Group, from the top of the Old Eed Sandstone to Eecent. 

 Henry Hicks, F.G.S. — On some areas where the Cambrian and 



Silurian Eocks occur as conformable series. 

 J. R. Mortimer — On the Distribution of Flint in the Chalk of 



Yorkshire. 

 H. Willett, F.G.S., and W. Topley, F.G.S.— Third Eeport on the 



Sub-Wealden Exploration. 

 Professor E. Hebert — Ondulations de la Craie dans le Nord de la 



France, et leur existence probable sous le Detroit de Douvres. 



[Undulations of the Chalk in the North of France, and their 



probable existence under the Straits of Dover. — Translated to 



the Section by G. A. Lebour.~\ 

 D. Mackintosh, F.G.S. — On the Geological meaning of the term 



'•' Biver-basin," and the desirability of substituting " Drainage 



area." 

 D. Mackintosh, F.G.S. — On the origin of Two Polished and 



Sharpened Stones from Cefn Cave, North Wales. 

 Professor E. Hull, F.B.S. — Observations on the discovery by Count 



Abbot Castracane of Diatomacese in the Coal of Lancashire and 



other places. (See Geol. Mag. 1875, p. 414.) 

 W. Sanders, F.B.S. — On certain large bones in Eha?tic beds at Aust- 



Cliff, near Bristol. 

 Bev. P. B. Brodie, F.G.S. — On the further extension of the Silastic 



or Penarth beds in Warwickshire, Leicestershire, Lincolnshire, 



Nottinghamshire, Yorkshire, and Cumberland, and on the oc- 

 currence of some supposed remains of Labyrinthodon and a new 



Eadiate therein. 

 W. J. Harrison- -On the occurrence of Ehsetic beds near Leicester. 

 Dr. Th. Wright, F.B.S. E. — Note on the Eeptilian remains from the 



Dolomitic Conglomerate on Durdham Down. 

 H. Woodward, F.B.S. — Tenth Eeport on British Fossil Crustacea. 

 H. Woodivard, F.B.S. — On the discovery of a Scorpion in British 



Coal-measures. 

 H~. Woodward, F.B.S. — On a new Orthopterous Insect from the 



English Coal-measures. 

 Dr. W. B. Carpenter, F.B.S. — On the origin of the Eed Clay found 



by the Challenger at great depths in the Ocean. 

 W. H. B'aily, F.G.S. — On a new species of Labyrinthodont 



Amphibia from Jarrow Colliery, Co. Kilkenny. 

 J. Hopkinson, F.G.S. — On the distribution of the Graptolites in the 



Lower Ludlow Eocks, near Ludlow. 

 Professor H. A. Nicholson, D.Sc. — On Azygograpsus — a new genus 



of Graptolites from the Skiddaw Slates. 

 /. E. Taylor, F.G.S. — On the Discovery of a Submerged Forest in 



the Estuary of the Orwell. 



