EXPLANATION OF THE PLATES. 



Plate l.-^Bones of Pterodactylus giganteus, Bowerbank, to illustrate a 



memoir by Mr. Bowerbank to face p, S 



2. — Fossil fruits from the Cretaceous formation, to illustrate a me- 

 moir by Dr. Mantell 54 



5. — Footmarks in New Red Sandstone, to illustrate a memoir by Dr. 



Black 65 



6, 7. — Fossil ferns from Frosthurg, Maryland, to illustrate a memoir 



by Mr. Bunbury • 90 



8. — Fossils from the Nova Scotia coal formation, to illustrate a me- 



moii" by Mr. Dawson 136 



9. — Sections exhibited at Alum Bay and "WTiite Cliff Bay, Isle of 



Wight, to illustrate a memoir by Mr. Prestwich 223 



10, 11. — Fossil Brachiopodous shells, from the Falkland Islands, to 



illustrate a memoir by Messrs. Morris and Sharpe 278 



12. — Map of part of North Wales, coloured geologicaEy, to illustrate 



a memoir by Mr. Sharpe 283 



13. — Fossil remains of Pteropodous shells from the North Welsh Si- 

 lurian rocks, to illustrate Mr. Sharpe's memoir 314 



14. — General map of the Isle of Man, corrected and geologically co- 

 loured, to illustrate a memoir by the Rev. J. G. Gumming ... 317 



15. — Geological map of the limestone basin and other parts of the 

 southern district of the Isle of Man, denuded of the Tertiary 

 formations, to illustrate Mr. Cumming's memoir 348 



16. — Ground plan (geologically coloured) of the sea-shore from Ro- 

 naldsway to Coshnahawin, Isle of Man, and section show^ing 

 contorted limestones and trap at Scarlet, to illustrate Mr. 

 Cumming's memoir 348 



1 7. — Sections in the Isle of Man exhibiting the arrangement of the 

 southern basin, and of the Tertiary deposits in the neighbour- 

 hood of Ramsay, Isle of Man 348 



18. — Plesiosauriis megacephalus, Stutchbury, to illustrate a memoir 



by Mr. Stutchbury 411 



19. — Geological chart of the Ohio Valley, to illustrate a memoir by 



Dr. Dale Owen 448 



N.B. Plates 3 and 4 illustrate a memoir in Part II. 



