iv TABLE OF CONTENTS. 



Page 



JuDD, Prof. J. W.^ On the Propylites of the Western Isles of Scot- 

 land, and their Eelation to the Andesites and Diorites of the 

 District. (Plates XIV. & XV.) 341 



Lydekkeb, R., Esq. On a Crocodilian Jaw from the Oxford Clay 



of Peterborough 284 



— . On a Horn-like Dinosaiirian Bone from the Wealden .... 185 



— . On Dinosaurs from the Wealden, and Sauropterygians from 

 the Purbeck and the Oxford Clay. (Plate V.) 36 



Ornithosaurian Remains from the Oxford Clay of Hunting- 



donshire 429 



On Remains of small Sauropodous Dinosaurs from the 



Wealden. (Plate IX.) 182 



On the Occurrence of the Striped Hyaena in the Tertiary of 



the Val d'Arno 62 



. On two new Species of Labyrinthodonts. (Plate XII.) . . 289 



Morgan, Prof. C. Ll. On the Pebidian Volcanic Series of St. 



Davids. (Plate X.) 241 



Newton, E. T., Esq. On some New Mammals from the Red and 



Norwich Crags. (Plate XVIII.) 444 



PiDGEON^ D., Esq. On certain Physical Peculiarities exhibited by 

 the so-called " Raised Beaches " of Hope's Nose and the Thatcher 

 Rock, Devon 438 



Prestwich, Prof. J. On the Relation of the Westleton Beds, or 

 Pebbly Sands of Suffolk, to those of Norfolk, and on their Ex- 

 tension Inland ; and on the Period of the Final Elevation and 

 Denudation of the Weald and of the Thames Valley. — Part I. . 84 



. . Part II. (Plate VII.) 120 



• . . Part III. On the Relation of the Westleton 



Shingle to other Preglacial Drifts in the Thames Basin, and on 

 a Southern Drift, with Observations on the Final Elevation and 

 Initial Denudation of the Weald ; and on the Genesis of the 

 Thames. (Plate VIII.) 155 



RuTLEY, Frank, Esq. On Composite Spherulites in Obsidian, from 



Hot-Springs near Little Lake, California. (Plate XVII.) .... 423 



Shrub SOLE, 0. A., Esq. On the Valley-gravels about Reading, with 



especial reference to the Palaeolithic Implements found in them . . 582 



Spencer, Dr. J. W. Origin of the Basins of the Great Lakes of 



America 523 



