TABLE OF CONTENTS. V 



Page 



RuBiDGE, Dr. R. N. Notes on the Geology of some parts of South 



Africa. [Abstract.] 237 



Salter, J. W., Esq. On some new Crustacea from the Uppermost 

 Silurian Rocks. With a Note on the Structure £ind Affinities of 

 Himantopterus, by T. H. Huxley, Esq 26 



. On Fossil Remains in the Cambrian Rocks of the Longmynd 



and North Wales. (With a Plate.) 246 



. On a New Genus of Cephalopoda, Diploceras {Orthoceras bi- 



siphonatum of Sowerby) ; and on the Occurrence of Ascoceras in 

 Britain. [Abstract.] 381 



. On the Fossils found in the Chalk-Flints and Greensand of 



Aberdeenshire. [Abstract.] 390 



Sawkins, James Gay, Esq. On the Movement of Land in the 



South Sea Islands 383 



Scrope, G. Poulett, Esq. On the Formation of Craters, and the 



Nature of the Liquidity of Lavas 326 



Sharpe, Daniel, Esq. On the Last Elevation of the Alps; with 

 Notices of the Heights at which the Sea has left Traces of its 

 Action on their sides 102 



SoRBY, H. C, Esq. On the Physical Geography of the Tertiary 



Estuary of the Isle of Wight. [Abstract.] 137 



Spratt, T., Capt. R.N. On the Geology of Varna and its Vicinity, 



and of other parts of Bulgaria. [Abstract.] 387 



Symonds, Rev. W. S. On Trap-dykes intersecting Syenite in the 



Malvern Hills, Worcestershire 382 



Tayler, J. W., Esq. On the Cryolite of Evigtok, Greenland .... 140 



Wilson, J. S., Esq. Notes on the Geology of the Neighbourhood 



of Sydney, Newcastle, and Brisbane, Australia 283 



WooDW^ARD, S. P., Esq. On an Orthoceras from China. (With a 



Plate.) 378 



Wright, Dr. Thomas. On the Palaeontological and Stratigraphical 



Relations of the so-called " Sands of the Inferior Oohte " .... 292 



Annual Report i 



Anniversary Address xxvi 



Donations to the Library pages 74, 154, 268, 293 



