EXPLANATION OF THE PLATES. 



Plate Pagb 



Apparent Current-bedding in Lizard Rocks, to illustrate 

 I. -j Prof. T. G. Bonney's paper on the Hornblendic and other 



Schists of the Lizard district 24 



■yj f Swiss Jurassic Foraminifera, to illustrate Dr. R. Hausler's 

 ttt parser on some Upper Jurassic Astrorhizidae and Lituo- 

 1JX [ lidae 28 



T y f Helicopora, to illustrate Prof. E. W. Claypole's paper on 



\ thatgenus 38 



Map of the Basin of the Mersey and of part of the Dee, to 

 V. \ illustrate Mr. T. Mellard Reade's paper on the Drift-beds 



of the North-west of England and of North Wales 132 



-{ 



Map of Parts of Ross- and Inverness-shires, to illustrate 

 VI. -^ Dr. Hicks's paper on the Metainorphic and Overlying Rocks 



of that district 166 



| Great-Oolite Corals, to illustrate Mr. R. F. Tomes's paper 

 VII. \ on the Fossil Madreporaria of the Great Oolite of Clou- 

 ts cester- and Oxfordshires 195 



f Sketch-Map of the St. David's district to illustrate Mr. A. 

 VIII. \ Geikie's paper on the supposed Pre-Cainbrian Rocks of 



I St. David's 268 



IX. j Rock-sections, to illustrate Mr. A. Geikie's paper on the 

 X. \ supposed Pre- Cambrian Rocks of St. David's 325 



Y T f Megalosaurus Bucklandi, to illustrate Prof. Owen's paper 



\ on the Skull of Megalosaurus 346 



y TT f Victorian Ciiilostomatous Bryozoa, to illustrate Mr. A. 



\ W. Waters's paper on those fossils 443 



XIII. f Basalt-glass, to illustrate Messrs. Judd and Cole's paper 



XIV. \ on the Basalt-glass of the Western Isles of Scotland 463 



