TABLE OF CONTENTS. v 



Page 

 Mello, Rev. J. Magens. On the Bone-caves of Creswell Crags . . 240 



Murphy, J. J., Esq. The Glacial Climate and the Polar Ice-cap . . 400 



Newton, E. Tulley, Esq. On two Chimaeroid Jaws from the 



Lower Greensand of New Zealand. (Plate XXI.) 326 



Owen, Prof. On a new Modification of Dinosaurian Vertebrae. 



(Plates IV. & V.) 43 



. Evidence of a Carnivorous Reptile ( Cynodraco major, Ow.) 



about the size of a Lion, with Remarks thereon. (Plate XL) 95 



. Evidence of Theriodonts in Permian Deposits elsewhere than 



in South Africa 352 



Penning, W. H., Esq. Notes on the Phvsical Geology of East An- 



glia during the Glacial Period. (Plate XV.) 191 



Phillips, J. A. Esq. On the so-called " Greenstones " of Western 



Cornwall 155 



Ramsay, Prof. A. C. How Anglesey became an Island. (Plate 

 XIV.) 116 



. Note to Mr. Ramsay's Paper on the Influence of Various 



Substances in Accelerating the Precipitation of Olay suspended 



in Water 132 



. On the Physical History of the Dee, Wales. (Plate XIV.) 219 



Ramsay, William, Esq. On the Influence of various Substances in 

 Accelerating the Precipitation of Clay suspended in Water. With 

 a Note by Prof. Ramsay * 129 



Seeley, Prof. H. Govier. On the Posterior Portion of a Lower 

 Jaw of Labyrinthodon {L. Lavisi) from the Trias of Sidmouth. 

 (Plate XIX.) 278 



. Notice of the Occurrence of Remains of a British fossil 



Zeuglodon (Z. IVanklyni, Seeley) in the Barton Clay of the 

 Hampshire Coast 428 



. On an associated Series of Cervical and Dorsal Vertebrae of 



Polyptychodon, from the Cambridge Upper Greensand, in the 

 Woodwardian Museum of the University of Cambridge 433 



. On Crocodilus icenicus (Seeley), a second and larger Species 



of Crocodile from tha Cambridge Upper Greensand, contained in 

 the Woodwardian Museum of the University of Cambridge . . 437 



On Macrurosaurus semnus (Seeley), a Long-tailed Animal 



with Procoelous Vertebrae from the Cambridge Upper Greensand, 

 preserved in the Woodwardian Museum of the University of 

 Cambridge 440 



— . On Remains of Emys hordivellensis (Seeley) from the Lower 

 Hordwell Beds in the Hordwell Cliff, contained in the Wood- 

 wardian Museum of the University of Cambridge 445 



— . On the British Fossil Cretaceous Birds. (Plates XXVI. & 

 XXVII.) 496 



