EXPLANATION OF THE PLATES. 



Pjlate 



1, — Map and Sections, to illustrate Mr. D. Sharpe's paper on the Struc- 

 ture of Mont Blanc To face p. 11 



2. — Fossil Reptilian Skull, to illustrate Prof. Owen's paper on the 



Braehyops laticeps 37 



3-5. — HiPPURiTES AND Radiolites, to illustrate Mr. Woodward's paper 



on the HippuritidcB 00 



6. — Sections and Diagrams, to illustrate Mr. Prestwich's paper on 



Sand-pipes 80 



7. — Fossil Cephalopod, to illustrate Prof. Owen's paper on Coccoteuthis 



lutipinnis 124 



8. — Sections and Diagram, to illustrate Mr. Prestwich's paper on the 



Correlation of the Tertiaries 241 



9. — Geological Map, to illustrate Mr. Loftus's paper on the Turko- 



Persian Frontier 247 



10. — Geological Map, to illustrate Messrs. Hislop and Hunter's paper on 



the Neighbourhood of Nagpur 345 



11-13. — Fossil Shells, to illustrate Mr. Baily's paper on Cretaceous 



Fossils from South Africa 4C4 



14. — Geological Map, to illustrate Mr. Isbister's paper on the Northern- 

 most parts of America 497 



15. — Fossil Mammalian Skull, to illustrate Prof. Owen's paper on Pro- 



rastomus sirenoides 541 



16. — Fossil Seed-vessel, to illustrate Dr. Hooker's paper on the Rhy- 



tidosporurn ovulum 5(54 



17. — Fossil SEED-vESSEL,to illustrate Dr. Hooker's paper on the Folliculites 



minutulus 570 



