ADVERTISEMENTS. 



TABLE OF CONTENTS. 



Projected Exploration of Iceland by the Alpine Club 225 



List of Books on Icelandic Geology 228 



Lecture on " Coal." By J. W. Salter, Esq., F.G.S 229 



Geology of Sundays River, South Africa. By G. M. Stow, Esq. . . .238 

 Recent Discovery of Flint -Implements at Bedford. By J. Wyatt, F.G.S. . 242 

 Human-Remains with Extinct Animals in the Vale of Belvoir. By F. 



Drake, Esq. . 246 



Correspondence : — 



Mr. Grindley on Darwin's Theory 247 



Foreign Correspondence : — 



Density and Hardness of Metalloides and Metals. By M. de Serres. . . 251 



Extinct Genus Thecodontosaurus. By M. P. Gervais 251 



Geological Voyage along the Red Sea. By M. Courbon 252 



The Age of Fossil Bones determinable by their composition. By M. Delesse 253 

 Proceedings of Societies : — 



Geologists' Association i . . . . . . . . .256 



Richmond Institution . . . . . . . . . . .256 



Glasgow Geological Society 256 



Notes and Queries 



On Sandpipes at Grays Thurrock. By Mr. E. Jones . . . . . 258 



Opercula of Mollusca in Peckham Beds. By Mr. C. Evans 265 



Reviews : — 



" Vestiges of the Extinct Glaciers in Great Britain." By Edw. Hull, F.G.S. 268 

 " Anahuac, or Mexico and the Mexicans." By Edw. B. Tylor. . . . 272 



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THE CHALK CLIFFS OF DOYER. A Geological and Paleeontological 

 Description of the Upper Cretaceous Strata. By S. J. Mackie, F.G.S., F.S.A. 



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