8 



ADVERTISEMENTS. 



TABLE OF CONTENTS. 



The Geology of the Severn Valley Eailway. By G. E. Egberts, E.G. S. . 433 

 On New Brachiopodaj and on the Development of the Loop in Terebratella. 



By C. Moore, E.G.S 433 



On a New Genus of Echinoderm, and Observations on the Genus Palsechinus. 



By Fort-Major Austin 446 



Gems of Private Collections, (Unio Valdensis) ...... 448 



Researches on Pseudomorphs. By H. C. Salmon, F.G.S. . . . 396 



Proceedings of Geological Societies . . 408 



Notes and Queries 416 



Reviews 423 



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