XIV 



Pagk 

 Bulimus ellipticus --.... 159 



Helix globosa - - - - - - -159 



Planorbis discus ...--. 161 



Achatina costellata - - - - - -162 



Section of the lower part of the Cliflf near Porchfield - - 164 



Chara tuberculata - - - - - -169 



Cyrena pulchra - - - - - - -172 



Cerithium mutabile - - - - - -172 



Cyrena semistriata - - - - - -173 



Area Websteri - - - - - - - 173 



Hydrobia Chasteli - - - - - -175 



Pseudocythere Bristovii - - - - - 175 



Potamocypris Brodiei - - - - - -178 



Melania turritissima ...... 181 



Cyrena obtusa . • . . - - -181 



Melanopsis carinata --.-.- 182 

 Ostrea vectensis - - - - " -182 



Cerithium plicatum ..--.. 185 

 Corbula pisum ---.--. 185 

 Cerithium elegans - - - - - -185 



Corbula vectensis .»-.■. 185 



Cyclas Bristovii . - - - - -190 



Unio Gibbsii 190 



Melania fasciata - - • - - -192 



Panopaea minor - - - . . -192 



Sketch of Hamstead Cliff - - - . .193 



Ostrea callifera - - - - - - -194 



Cytheridea montosa - - - - . -199 



Section in Valley Gravels at the eastern end of Compton Bay - 226 

 Freshwater Bay from the East. From a sketch by Prof. E. 



Forbes- - - - - - - - 227 



TufaceousDeposit ofTotland Bay - - - - 229 



Sketch of Gravels with hazel nuts in Shippard's Chine - 231 



Section between How Ledge and Colwell Chine - - 242 



Diagram Section to show variation in the dip of the Strata as 



the Surface is lowered ------ 244 



At the end of the Book. 



Plate I. Index Geological Map of the Isle of Wight, with a longitudinal 

 section across the Island from Rocken End to Norris. 



Plate II. Section along the Coast from Afton Down, near Freshwater, to 

 St. Catherine's Down. 



Plate III. Comparative Sections of the Cretaceous Rocks of the Isle of 

 Wight and of the Dorsetshire Coast. 



Plate IV. Longitudinal Sections. No. 1. From Totland Bay over Headon 

 Hill to High Down. No 2. From near Cliff End, over 

 Sconce, to the sea under High Down Beacon. 



Plate V. Compai-ative Vertical Sections of the Oligocene or Fluvio-Marine 

 Series. 



