TABLE OY CONTENTS. 



PAET I.— ORIGINAL COMMUNICATIONS. 



Page 



Bonne Y, Rev. T. G, On the Formation of "Cirques," and their 

 Bearing upon Theories attributing the Excavation of Alpine 

 Valleys mainly to the Action of Glaciers 312 



Bbodie, Rev. P. B. On the "Passage-beds" in the neighbourhood 

 of Woolhope, Herefordshire, and on the Discovery of a new 

 Species of Eurypterus and some new Land-Plants in them .... 256 



Cabbuthers, Woxliam, Esq. On some supposed Vegetable Fos- 

 sils. (With a Plate.) 443 



Dawkins, W. Boyd, Esq. On the Discovery of the Glutton {Gulo 



luscus) in Britain 406 



Dawson, J. W., LL.D. On the Structure and Afiinities of Sigillaria, 



Calamites, and Calamodendon. (With 4 Plates.) 147 



. On New Tree-Ferns and other Fossils from the Devonian. 



(With a Plate.) 269 



D'Obueta, M. On some points in the Geology of the Neighboiu"- 



hood of Malaga. (With a Plate.) 109 



Dbayson, Lieut.-Col., R.A. On the probable Cause, Date, and 



Duration of the Glacial Epoch of Geology. [Abstract.] 232 



Duncan, Prof. P. Mabtin. On a new Species of Coral from the 



Red Crag of Waldringfield 369 



. On the Persistence of Caryophyllia cylindracea, Reuss, sp., 



a Cretaceous species of Coral, in the Coral -fauna of the Deep Sea 434 



Egerton, Sir Philip Gbey, Bart. On a new Chiniseroid Fish 

 from the Lias of Lyme Regis {Ischyodus oHho7-hinus, S)- 

 (With a Plate.) 275 



Faibbank, F. Royston, M.D. On the Discovery of a " Bone-bed " 

 in the Lowest of the " Lynton Grey Beds," North Devon. 

 [Title only.] 33 



