TABLE OF CONTENTS. 



Page 



Mello, Rev. J. M. On some Bone-caves in Creswell Crags. With 



an Appendix by Prof. G. Busk 679 



Miall, L. C, Esq. On the Structure of the Skull of Rhizodus .... 624 



Milne, John, Esq. Geological Notes on the Sinaitic Peninsula and 



North-Western Arabia 1 



Mortimer, R., Esq. An Account of a Well-section in the Chalk 



at the North End of Driffield, East Yorkshire Ill 



Nicholson, Prof. H. Alleyne. On the Gasteropoda of the Guelph 



Formation of Canada. (Plate XXVI.) 543 



Ormerod, G. Wareing, Esq. On the Murchisonite Beds of the 

 Estuary of the Ex, and an attempt to classify the Beds of the 

 Trias thereby , 346 



Owen, Prof. R. On Fossil Evidences of a Sirenian Mammal (Eothe- 

 rium (zgyptiacum, Owen) from the Nummulitic Eocene of the 

 Mokattam Cliffs near Cairo. (Plate III.) 100 



On Prorastomus sirenoides (Ow. ), Part II. (Plates XXVIII. 



& XXIX.) 559 



Pennington, Rooke, Esq. On the Bone-caves in the Neighbour- 

 hood of Castleton, Derbyshire 238 



Phillips, J. Arthur, Esq. The Rocks of the Mining-districts of 

 Cornwall, and their Relation to Metalliferous Deposits. (Plate 

 XVI.) 319 



Pinchin, R., Esq. A short Description of the Geology of part of 

 the Eastern Province of the Colony of the Cape of Good Hope. 

 (Plate IV.) 106 



Prestwich, Joseph, Esq. Notes on the Phenomena of the Quater- 

 nary Period in the Isle of Portland and around Weymouth. 

 (Plate I.) 29 



Rutley, Frank, Esq. Notes on some Peculiarities in the Micro- 

 scopic Structure of Felspars (Plates XXIII. & XXIV.) 479 



Seeley, Harry Govier, Esq. Note on Pelobatochelys Blakii and 

 other Vertebrate Fossils exhibited by the Rev. J. F. Blake in 

 illustration of his paper on the Kimmeridge Clay. (Plate XIII.) 234 



■ . On an Ornithosaurian (Doratorhynchus validus) from the 



Purbeck Limestone of Langton, near Swanage 465 



— . On the Axis of a Dinosaur from the Wealden of Brook in 



the Isle of Wight, probably referable to the Iguanodon 461 



. On the Femur of Cryptosaurus eumerus, Seeley, a Dinosaur 



from the Oxford Clay of Great Gransden. (Plate VI.) 149 



On the Maxillary Bone of a New Dinosaur (Priodontogna- 



thus Phillipsii), contained in the Woodwardian Museum of the 

 University of Cambridge. (Plate XX.) 439 



