ILLUSTKATIONS. 



PLATE . PAGE 



I. Geological map of the country round Oxford, extending from the 



Malvern Hills to London, and embracing the feeders of the Thames 



as far south as the River Kennet . . . . . . To face the Title. 



II. Geological map of the country immediately round Oxford, shewing the 



principal masses of low valley gravel, and the most remarkable of the 

 scattered patches of higher northern drift . . . . . . . . i 



III. Longitudinal sections from the Downs of Wiltshire to Faringdon, and 



from Cirencester through Cheltenham to Tewkesbury .. .. 16 



IV. Longitudinal sections from Cheltenham to Oxford, and from Broadway 



Hill to Shotover 32 



V. Vertical section of mesozoic strata in Oxfordshire with characteristic 



organic remains . . . . . . . . . . . . . . . . 400 



VI. Vertical section of mesozoic strata in Gloucestershire with characteristic 



organic remains . . . . . . . . . . . , . . . . 408 



In the Illustrations Plates I. to VI. numbers are employed to 

 mark the successive strata, the titles of the strata being given in 

 Plate V. and Plate VI. 



VII. Fossils of Rhaetic and Lowest lias .. .. .. Referred to at page 107 



VIII. Fossils of the Lias 1 36 



IX. Fossils of the Inferior oolite 165 



X. Fossils of the Stonesfield beds 181 



XI. Fossils of the Great oolite, Forest marble, and Cornbrash 244 



XII. Fossils of the Oxford clay 306 



XIII. Fossils of the Coralline oolite and Calcareous grit 323 



XIV. Fossils of the Coralline oolite and Calcareous grit 323 



XV. Fossils of the Kimmeridge clay and Portland oolite 333 



XVI. Fossils of the iron-sand and sections of Shotover . . 421 



XVII. Fossils of the sponge-bed of Faringdon .. .. 441 



