EXPLANATION OF THE PLATES. 



Plate Page 



{Microscopic sections of Banded Serpentine and partially 

 melted Hornblende-schist, to illustrate Prof. T. G. 

 Bonney's paper on those rocks in the Lizard district 17 



TTT y f Chalk Rock Mollusca, to illustrate Mr. Henry Woods's 



l paper on those fossils 68 



(Cenomanian Ammonites, to illustrate Messrs. A. J. Jukes- 

 Browne and W. Hill's paper on the Stratigraphy and Paige- 

 ontology of that formation 99 



VT f Calais Newboldi, to illustrate Dr. Henry Woodward's paper 



v i * { on that fossil 229 



VII. & f British Acidaspis, to illustrate Mr. Philip Lake's paper on 

 VIII. \ the British Silurian Species of that genus 235 



r Skull op Plesiosaurus macrocephalus, Buckland, to illus- 

 IX. < trate Mr. C. W. Andrews's paper on the Structure of the 



Plesiosaurian Skull 246 



{Paleozoic Mollusca of North Devon, to illustrate Dr. 

 Henry Hicks's paper on the Morte Slates and Associated 

 Beds in North Devon and West Somerset 254 



{Horizontal and Vertical Sections op the Permo-Carbo- 

 niferous Glacial Beds at Bacchus Marsh, to illustrate 

 Prof. T. W. Edgeworth David's paper on Evidences of 

 Glacial Action in Australia in Permo- Carboniferous time . 289 



{Microscopic sections of Granophyres with Foreign Inclu- 

 sions, to illustrate Mr. Alfred Harker's paper on those 

 rocks, modified by the Incorporation of Gabbro-fraginents, 

 in Strath (Skye) 320 



f Volcanic Neck at Stromo (Faeroe) ; part op Volcanic 



Neck, Canna ; Dun Mor, Sanday ; Dun Beag, Sanday, 



XV.-XIX. •{ seen prom the south-west and seen prom the north, to 



illustrate Sir Archibald Geikie's paper on the Tertiary 



^ Basalt-plateaux of North-western Europe 331 



XX. & f Trilobites proh the Keisley Limestone, to illustrate Mr. F. 

 XXI. [ R. Cowper Reed's paper on the Fauna of that horizon ... 407 



